/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 11:05:36,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 11:05:36,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 11:05:36,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 11:05:36,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 11:05:36,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 11:05:36,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 11:05:36,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 11:05:36,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 11:05:36,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 11:05:36,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 11:05:36,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 11:05:36,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 11:05:36,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 11:05:36,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 11:05:36,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 11:05:36,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 11:05:36,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 11:05:36,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 11:05:36,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 11:05:36,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 11:05:36,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 11:05:36,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 11:05:36,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 11:05:36,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 11:05:36,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 11:05:36,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 11:05:36,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 11:05:36,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-06-05 11:05:36,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 11:05:36,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 11:05:36,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 11:05:36,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 11:05:36,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 11:05:36,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 11:05:36,119 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 11:05:36,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 11:05:36,120 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 11:05:36,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 11:05:36,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 11:05:36,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 11:05:36,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 11:05:36,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 11:05:36,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 11:05:36,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 11:05:36,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 11:05:36,122 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 11:05:36,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 11:05:36,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 11:05:36,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 11:05:36,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 11:05:36,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 11:05:36,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 11:05:36,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 11:05:36,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 11:05:36,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 11:05:36,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 11:05:36,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 11:05:36,123 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 11:05:36,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 11:05:36,124 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 11:05:36,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 11:05:36,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 11:05:36,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 11:05:36,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 11:05:36,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 11:05:36,461 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 11:05:36,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2021-06-05 11:05:36,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac67f0a97/db543002a67643cb9790219c08080367/FLAGd15d35a21 [2021-06-05 11:05:37,095 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 11:05:37,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2021-06-05 11:05:37,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac67f0a97/db543002a67643cb9790219c08080367/FLAGd15d35a21 [2021-06-05 11:05:37,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac67f0a97/db543002a67643cb9790219c08080367 [2021-06-05 11:05:37,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 11:05:37,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 11:05:37,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 11:05:37,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 11:05:37,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 11:05:37,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 11:05:37" (1/1) ... [2021-06-05 11:05:37,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cbe6d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:37, skipping insertion in model container [2021-06-05 11:05:37,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 11:05:37" (1/1) ... [2021-06-05 11:05:37,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 11:05:37,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 11:05:37,719 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-05 11:05:37,980 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[39095,39108] [2021-06-05 11:05:37,987 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[39180,39193] [2021-06-05 11:05:37,988 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[39232,39245] [2021-06-05 11:05:38,052 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[49285,49298] [2021-06-05 11:05:38,054 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[49334,49347] [2021-06-05 11:05:38,056 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[49462,49475] [2021-06-05 11:05:38,057 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[49520,49533] [2021-06-05 11:05:38,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 11:05:38,068 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 11:05:38,078 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-05 11:05:38,094 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[39095,39108] [2021-06-05 11:05:38,095 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[39180,39193] [2021-06-05 11:05:38,095 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[39232,39245] [2021-06-05 11:05:38,102 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[49285,49298] [2021-06-05 11:05:38,102 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[49334,49347] [2021-06-05 11:05:38,103 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[49462,49475] [2021-06-05 11:05:38,104 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i[49520,49533] [2021-06-05 11:05:38,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 11:05:38,244 INFO L208 MainTranslator]: Completed translation [2021-06-05 11:05:38,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38 WrapperNode [2021-06-05 11:05:38,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 11:05:38,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 11:05:38,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 11:05:38,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 11:05:38,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 11:05:38,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 11:05:38,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 11:05:38,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 11:05:38,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... [2021-06-05 11:05:38,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 11:05:38,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 11:05:38,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 11:05:38,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 11:05:38,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 11:05:38,449 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-06-05 11:05:38,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-06-05 11:05:38,449 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-06-05 11:05:38,450 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-06-05 11:05:38,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 11:05:38,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 11:05:38,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 11:05:38,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 11:05:38,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 11:05:38,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 11:05:38,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 11:05:38,451 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 11:05:39,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 11:05:39,060 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-06-05 11:05:39,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 11:05:39 BoogieIcfgContainer [2021-06-05 11:05:39,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 11:05:39,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 11:05:39,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 11:05:39,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 11:05:39,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 11:05:37" (1/3) ... [2021-06-05 11:05:39,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cf99ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 11:05:39, skipping insertion in model container [2021-06-05 11:05:39,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:05:38" (2/3) ... [2021-06-05 11:05:39,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cf99ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 11:05:39, skipping insertion in model container [2021-06-05 11:05:39,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 11:05:39" (3/3) ... [2021-06-05 11:05:39,068 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.i [2021-06-05 11:05:39,073 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 11:05:39,073 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 11:05:39,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-06-05 11:05:39,074 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 11:05:39,114 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,115 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,115 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,115 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,115 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,116 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,116 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,116 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,116 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,116 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,116 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,117 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,117 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,117 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,117 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,117 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,117 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,118 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,118 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,118 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,124 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,124 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,124 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,124 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,128 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,129 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,129 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,129 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,129 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,129 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,130 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,130 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,130 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,130 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,130 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,130 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,132 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,132 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,132 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,133 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,133 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,133 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,133 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,134 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,135 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,138 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,138 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,138 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,139 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,145 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,145 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,145 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,145 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,145 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,145 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,146 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,146 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,146 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,146 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,146 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,146 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,147 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,147 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,147 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,147 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,147 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,147 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,147 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,148 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,148 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,148 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,148 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,148 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,148 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,148 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,149 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,149 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,149 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,149 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,149 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,149 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,149 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,150 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,150 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,150 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,150 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,150 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,150 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,151 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,151 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,151 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,151 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,151 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,151 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,151 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,151 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,152 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,152 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,152 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,152 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,152 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,152 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,152 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,153 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,154 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,154 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,154 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,154 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,154 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,154 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,154 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,154 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,155 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,155 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,155 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,155 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,155 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,155 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,155 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,156 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,156 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,156 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,156 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,156 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,156 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,160 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,160 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,160 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,160 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,161 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,161 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,161 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,161 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,161 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,161 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,161 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,161 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,162 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,163 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,163 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,163 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,163 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,163 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,163 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,163 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,164 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,164 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,164 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,164 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,164 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,164 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,165 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,165 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,165 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,165 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,166 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,169 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,169 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,169 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,170 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,171 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,171 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,172 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,180 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,181 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,181 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,181 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,181 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,182 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,183 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,184 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,185 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,186 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,186 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,186 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,186 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,186 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,186 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,186 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,186 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,187 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,187 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,187 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,187 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,187 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,187 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,187 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,187 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,188 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,188 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,188 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,188 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,188 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,188 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,188 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,189 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,189 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,189 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,189 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,189 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,189 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,189 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,190 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,191 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,191 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,191 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,191 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,191 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,191 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,198 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,199 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,199 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,199 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,199 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,199 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,199 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,199 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,199 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,200 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,201 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,201 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,201 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,201 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,201 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,201 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,201 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,203 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,203 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,203 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,203 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,203 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,203 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,204 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,229 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,229 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,229 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,229 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,229 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,229 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,229 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,230 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,232 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,232 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,232 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,232 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,232 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,232 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,233 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,237 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,237 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,238 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,239 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,240 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:05:39,247 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-05 11:05:39,267 INFO L255 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-06-05 11:05:39,280 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:05:39,280 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:05:39,280 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:05:39,280 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:05:39,280 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:05:39,281 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:05:39,281 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:05:39,281 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 11:05:39,292 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 206 transitions, 434 flow [2021-06-05 11:05:45,924 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:05:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:05:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-06-05 11:05:46,445 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:05:46,445 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:05:46,446 INFO L430 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:05:46,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:05:46,454 INFO L82 PathProgramCache]: Analyzing trace with hash -616894537, now seen corresponding path program 1 times [2021-06-05 11:05:46,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:05:46,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008025950] [2021-06-05 11:05:46,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:05:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:05:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:05:47,266 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:05:47,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008025950] [2021-06-05 11:05:47,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008025950] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:05:47,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:05:47,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 11:05:47,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693814715] [2021-06-05 11:05:47,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 11:05:47,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:05:47,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 11:05:47,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-06-05 11:05:47,379 INFO L87 Difference]: Start difference. First operand has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:05:48,053 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-06-05 11:05:49,054 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-05 11:05:49,189 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-06-05 11:05:49,480 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-06-05 11:05:50,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:05:50,901 INFO L93 Difference]: Finished difference Result 88672 states and 272853 transitions. [2021-06-05 11:05:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-05 11:05:50,903 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-06-05 11:05:50,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:05:51,188 INFO L225 Difference]: With dead ends: 88672 [2021-06-05 11:05:51,188 INFO L226 Difference]: Without dead ends: 78950 [2021-06-05 11:05:51,190 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 2159.6ms TimeCoverageRelationStatistics Valid=487, Invalid=1319, Unknown=0, NotChecked=0, Total=1806 [2021-06-05 11:05:52,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78950 states. [2021-06-05 11:05:53,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78950 to 75134. [2021-06-05 11:05:53,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75134 states, 75130 states have (on average 3.0838679621988554) internal successors, (231691), 75133 states have internal predecessors, (231691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:05:54,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75134 states to 75134 states and 231691 transitions. [2021-06-05 11:05:54,596 INFO L78 Accepts]: Start accepts. Automaton has 75134 states and 231691 transitions. Word has length 74 [2021-06-05 11:05:54,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:05:54,596 INFO L482 AbstractCegarLoop]: Abstraction has 75134 states and 231691 transitions. [2021-06-05 11:05:54,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:05:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 75134 states and 231691 transitions. [2021-06-05 11:05:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-06-05 11:05:54,678 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:05:54,678 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:05:54,678 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 11:05:54,678 INFO L430 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:05:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:05:54,679 INFO L82 PathProgramCache]: Analyzing trace with hash -492362997, now seen corresponding path program 1 times [2021-06-05 11:05:54,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:05:54,679 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093196268] [2021-06-05 11:05:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:05:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:05:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:05:55,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:05:55,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093196268] [2021-06-05 11:05:55,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093196268] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:05:55,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:05:55,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 11:05:55,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092532336] [2021-06-05 11:05:55,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 11:05:55,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:05:55,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 11:05:55,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-06-05 11:05:55,191 INFO L87 Difference]: Start difference. First operand 75134 states and 231691 transitions. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:05:55,677 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-06-05 11:05:56,202 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-06-05 11:05:56,375 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-06-05 11:05:56,868 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-06-05 11:05:57,054 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-06-05 11:05:57,213 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-05 11:05:57,384 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-05 11:05:59,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:05:59,452 INFO L93 Difference]: Finished difference Result 119116 states and 367546 transitions. [2021-06-05 11:05:59,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 11:05:59,453 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-06-05 11:05:59,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:05:59,971 INFO L225 Difference]: With dead ends: 119116 [2021-06-05 11:05:59,971 INFO L226 Difference]: Without dead ends: 118255 [2021-06-05 11:05:59,972 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 2721.3ms TimeCoverageRelationStatistics Valid=606, Invalid=1556, Unknown=0, NotChecked=0, Total=2162 [2021-06-05 11:06:01,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118255 states. [2021-06-05 11:06:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118255 to 94985. [2021-06-05 11:06:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94985 states, 94981 states have (on average 3.090239100451669) internal successors, (293514), 94984 states have internal predecessors, (293514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94985 states to 94985 states and 293514 transitions. [2021-06-05 11:06:03,078 INFO L78 Accepts]: Start accepts. Automaton has 94985 states and 293514 transitions. Word has length 79 [2021-06-05 11:06:03,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:06:03,080 INFO L482 AbstractCegarLoop]: Abstraction has 94985 states and 293514 transitions. [2021-06-05 11:06:03,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 94985 states and 293514 transitions. [2021-06-05 11:06:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-06-05 11:06:03,215 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:06:03,215 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:06:03,215 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 11:06:03,215 INFO L430 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:06:03,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:06:03,221 INFO L82 PathProgramCache]: Analyzing trace with hash -875353651, now seen corresponding path program 2 times [2021-06-05 11:06:03,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:06:03,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144310496] [2021-06-05 11:06:03,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:06:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:06:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:06:03,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:06:03,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144310496] [2021-06-05 11:06:03,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144310496] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:06:03,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:06:03,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 11:06:03,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671926577] [2021-06-05 11:06:03,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 11:06:03,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:06:03,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 11:06:03,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-06-05 11:06:03,812 INFO L87 Difference]: Start difference. First operand 94985 states and 293514 transitions. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:04,621 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-06-05 11:06:05,000 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-06-05 11:06:05,147 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-06-05 11:06:05,347 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 76 [2021-06-05 11:06:05,553 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 79 [2021-06-05 11:06:05,765 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2021-06-05 11:06:05,940 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-06-05 11:06:06,157 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-06-05 11:06:07,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:06:07,303 INFO L93 Difference]: Finished difference Result 107868 states and 332574 transitions. [2021-06-05 11:06:07,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 11:06:07,304 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-06-05 11:06:07,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:06:07,560 INFO L225 Difference]: With dead ends: 107868 [2021-06-05 11:06:07,560 INFO L226 Difference]: Without dead ends: 107616 [2021-06-05 11:06:07,562 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2379.9ms TimeCoverageRelationStatistics Valid=425, Invalid=1135, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 11:06:08,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107616 states. [2021-06-05 11:06:09,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107616 to 91078. [2021-06-05 11:06:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91078 states, 91074 states have (on average 3.086534027274524) internal successors, (281103), 91077 states have internal predecessors, (281103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:10,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91078 states to 91078 states and 281103 transitions. [2021-06-05 11:06:10,017 INFO L78 Accepts]: Start accepts. Automaton has 91078 states and 281103 transitions. Word has length 79 [2021-06-05 11:06:10,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:06:10,018 INFO L482 AbstractCegarLoop]: Abstraction has 91078 states and 281103 transitions. [2021-06-05 11:06:10,018 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 91078 states and 281103 transitions. [2021-06-05 11:06:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:06:10,100 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:06:10,100 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:06:10,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 11:06:10,101 INFO L430 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:06:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:06:10,101 INFO L82 PathProgramCache]: Analyzing trace with hash 678803485, now seen corresponding path program 1 times [2021-06-05 11:06:10,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:06:10,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820211800] [2021-06-05 11:06:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:06:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:06:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:06:11,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:06:11,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820211800] [2021-06-05 11:06:11,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820211800] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:06:11,509 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:06:11,509 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:06:11,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389749873] [2021-06-05 11:06:11,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:06:11,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:06:11,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:06:11,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:06:11,511 INFO L87 Difference]: Start difference. First operand 91078 states and 281103 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:12,494 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2021-06-05 11:06:12,983 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-06-05 11:06:13,213 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-06-05 11:06:13,547 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-06-05 11:06:14,194 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2021-06-05 11:06:14,336 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2021-06-05 11:06:14,540 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-06-05 11:06:14,703 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-06-05 11:06:14,902 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2021-06-05 11:06:15,129 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-06-05 11:06:15,581 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-06-05 11:06:15,785 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-06-05 11:06:15,975 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-06-05 11:06:16,225 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-06-05 11:06:16,402 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-06-05 11:06:16,577 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-06-05 11:06:16,724 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2021-06-05 11:06:16,967 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 11:06:17,139 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 11:06:17,298 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2021-06-05 11:06:17,553 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-06-05 11:06:17,764 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 11:06:17,951 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2021-06-05 11:06:18,096 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-06-05 11:06:18,377 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-06-05 11:06:18,611 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 11:06:18,782 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-06-05 11:06:18,923 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2021-06-05 11:06:19,176 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-06-05 11:06:19,392 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-06-05 11:06:19,592 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-05 11:06:19,755 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-06-05 11:06:19,912 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-06-05 11:06:20,190 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 72 [2021-06-05 11:06:20,459 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-06-05 11:06:20,649 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 11:06:20,829 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-05 11:06:21,119 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 76 [2021-06-05 11:06:21,359 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-06-05 11:06:21,581 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 11:06:21,859 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-06-05 11:06:22,118 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-06-05 11:06:22,345 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-06-05 11:06:22,678 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-06-05 11:06:22,984 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-06-05 11:06:23,203 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 71 [2021-06-05 11:06:23,484 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-06-05 11:06:23,770 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2021-06-05 11:06:24,097 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-06-05 11:06:24,338 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 11:06:24,741 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 88 [2021-06-05 11:06:25,004 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 75 [2021-06-05 11:06:25,373 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-06-05 11:06:25,691 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-06-05 11:06:26,065 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-06-05 11:06:26,337 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-06-05 11:06:26,672 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-06-05 11:06:26,961 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-06-05 11:06:27,335 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2021-06-05 11:06:27,761 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 93 [2021-06-05 11:06:28,203 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 89 [2021-06-05 11:06:28,620 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-06-05 11:06:29,169 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 90 [2021-06-05 11:06:30,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:06:30,757 INFO L93 Difference]: Finished difference Result 126058 states and 388679 transitions. [2021-06-05 11:06:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-05 11:06:30,759 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:06:30,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:06:30,978 INFO L225 Difference]: With dead ends: 126058 [2021-06-05 11:06:30,978 INFO L226 Difference]: Without dead ends: 126058 [2021-06-05 11:06:30,980 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2186 ImplicationChecksByTransitivity, 15451.7ms TimeCoverageRelationStatistics Valid=3748, Invalid=9134, Unknown=0, NotChecked=0, Total=12882 [2021-06-05 11:06:31,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126058 states. [2021-06-05 11:06:33,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126058 to 105732. [2021-06-05 11:06:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105732 states, 105728 states have (on average 3.0916691888619856) internal successors, (326876), 105731 states have internal predecessors, (326876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:34,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105732 states to 105732 states and 326876 transitions. [2021-06-05 11:06:34,043 INFO L78 Accepts]: Start accepts. Automaton has 105732 states and 326876 transitions. Word has length 95 [2021-06-05 11:06:34,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:06:34,045 INFO L482 AbstractCegarLoop]: Abstraction has 105732 states and 326876 transitions. [2021-06-05 11:06:34,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 105732 states and 326876 transitions. [2021-06-05 11:06:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:06:34,137 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:06:34,138 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:06:34,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 11:06:34,138 INFO L430 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:06:34,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:06:34,138 INFO L82 PathProgramCache]: Analyzing trace with hash -991768577, now seen corresponding path program 2 times [2021-06-05 11:06:34,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:06:34,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661051225] [2021-06-05 11:06:34,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:06:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:06:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:06:35,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:06:35,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661051225] [2021-06-05 11:06:35,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661051225] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:06:35,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:06:35,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:06:35,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777428317] [2021-06-05 11:06:35,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:06:35,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:06:35,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:06:35,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:06:35,096 INFO L87 Difference]: Start difference. First operand 105732 states and 326876 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:35,663 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2021-06-05 11:06:36,598 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-06-05 11:06:36,834 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-06-05 11:06:37,185 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-05 11:06:38,348 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:06:38,655 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-06-05 11:06:38,972 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-06-05 11:06:39,759 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-06-05 11:06:40,165 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-05 11:06:40,345 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-06-05 11:06:40,511 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-06-05 11:06:40,664 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2021-06-05 11:06:40,806 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2021-06-05 11:06:41,090 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2021-06-05 11:06:41,308 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-06-05 11:06:41,476 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-06-05 11:06:41,633 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 68 [2021-06-05 11:06:41,823 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-06-05 11:06:42,036 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-06-05 11:06:42,231 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-06-05 11:06:42,415 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2021-06-05 11:06:42,560 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-06-05 11:06:43,041 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 11:06:43,268 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-06-05 11:06:43,434 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2021-06-05 11:06:43,572 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-06-05 11:06:43,864 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-06-05 11:06:44,080 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-06-05 11:06:44,286 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-06-05 11:06:44,486 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-06-05 11:06:44,650 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2021-06-05 11:06:44,804 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 68 [2021-06-05 11:06:45,094 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-06-05 11:06:45,318 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-06-05 11:06:45,508 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-06-05 11:06:45,704 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-06-05 11:06:46,012 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-06-05 11:06:46,253 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-06-05 11:06:46,468 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-05 11:06:46,767 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-06-05 11:06:47,018 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 11:06:47,265 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-06-05 11:06:47,579 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-05 11:06:47,854 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-06-05 11:06:48,077 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 11:06:48,387 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 11:06:48,685 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2021-06-05 11:06:48,968 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 11:06:49,200 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-06-05 11:06:49,604 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-06-05 11:06:49,842 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-06-05 11:06:50,206 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-05 11:06:50,471 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-06-05 11:06:50,797 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 11:06:51,121 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-06-05 11:06:51,492 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-06-05 11:06:51,773 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-06-05 11:06:52,212 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-06-05 11:06:52,686 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-06-05 11:06:53,226 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-06-05 11:06:53,610 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 11:06:54,121 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-06-05 11:06:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:06:55,897 INFO L93 Difference]: Finished difference Result 178026 states and 549050 transitions. [2021-06-05 11:06:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-05 11:06:55,898 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:06:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:06:56,210 INFO L225 Difference]: With dead ends: 178026 [2021-06-05 11:06:56,211 INFO L226 Difference]: Without dead ends: 178026 [2021-06-05 11:06:56,213 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2943 ImplicationChecksByTransitivity, 16449.0ms TimeCoverageRelationStatistics Valid=4611, Invalid=11645, Unknown=0, NotChecked=0, Total=16256 [2021-06-05 11:06:57,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178026 states. [2021-06-05 11:06:58,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178026 to 105760. [2021-06-05 11:06:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105760 states, 105756 states have (on average 3.0916543742199023) internal successors, (326961), 105759 states have internal predecessors, (326961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105760 states to 105760 states and 326961 transitions. [2021-06-05 11:06:59,267 INFO L78 Accepts]: Start accepts. Automaton has 105760 states and 326961 transitions. Word has length 95 [2021-06-05 11:06:59,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:06:59,267 INFO L482 AbstractCegarLoop]: Abstraction has 105760 states and 326961 transitions. [2021-06-05 11:06:59,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:06:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 105760 states and 326961 transitions. [2021-06-05 11:06:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:06:59,353 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:06:59,353 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:06:59,353 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 11:06:59,353 INFO L430 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:06:59,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:06:59,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1611360775, now seen corresponding path program 3 times [2021-06-05 11:06:59,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:06:59,354 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522795057] [2021-06-05 11:06:59,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:06:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:06:59,823 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2021-06-05 11:07:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:07:00,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:07:00,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522795057] [2021-06-05 11:07:00,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522795057] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:07:00,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:07:00,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:07:00,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637799640] [2021-06-05 11:07:00,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:07:00,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:07:00,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:07:00,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:07:00,600 INFO L87 Difference]: Start difference. First operand 105760 states and 326961 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:07:01,618 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2021-06-05 11:07:01,918 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-06-05 11:07:02,199 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-06-05 11:07:02,455 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-06-05 11:07:02,836 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-05 11:07:03,559 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-06-05 11:07:03,928 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:07:04,688 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-06-05 11:07:04,845 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-06-05 11:07:05,184 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2021-06-05 11:07:05,480 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-06-05 11:07:05,745 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-06-05 11:07:05,893 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-05 11:07:06,097 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-06-05 11:07:06,266 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-06-05 11:07:06,423 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2021-06-05 11:07:06,701 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-06-05 11:07:06,852 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2021-06-05 11:07:07,077 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-06-05 11:07:07,246 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-06-05 11:07:07,569 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-06-05 11:07:07,703 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-06-05 11:07:07,945 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-06-05 11:07:08,142 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-06-05 11:07:08,329 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2021-06-05 11:07:08,618 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2021-06-05 11:07:08,975 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 11:07:09,189 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-06-05 11:07:09,357 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2021-06-05 11:07:09,660 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-06-05 11:07:09,833 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-06-05 11:07:10,057 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-06-05 11:07:10,265 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-06-05 11:07:10,463 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-06-05 11:07:10,621 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2021-06-05 11:07:10,960 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-06-05 11:07:11,217 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-06-05 11:07:11,439 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-06-05 11:07:11,627 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-06-05 11:07:11,820 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-06-05 11:07:12,171 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-06-05 11:07:12,441 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-06-05 11:07:12,650 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-05 11:07:12,950 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-06-05 11:07:13,199 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 11:07:13,421 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-06-05 11:07:13,751 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-05 11:07:14,024 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-06-05 11:07:14,238 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 11:07:14,620 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 11:07:14,902 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2021-06-05 11:07:15,156 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 11:07:15,395 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-06-05 11:07:15,824 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-06-05 11:07:16,065 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-06-05 11:07:16,439 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-05 11:07:16,708 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-06-05 11:07:17,034 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 11:07:17,344 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-06-05 11:07:17,725 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-06-05 11:07:18,013 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-06-05 11:07:18,462 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-06-05 11:07:18,955 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-06-05 11:07:19,460 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-06-05 11:07:19,850 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 11:07:20,326 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-06-05 11:07:22,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:07:22,069 INFO L93 Difference]: Finished difference Result 176402 states and 544120 transitions. [2021-06-05 11:07:22,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-06-05 11:07:22,070 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:07:22,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:07:22,339 INFO L225 Difference]: With dead ends: 176402 [2021-06-05 11:07:22,339 INFO L226 Difference]: Without dead ends: 176402 [2021-06-05 11:07:22,342 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3121 ImplicationChecksByTransitivity, 17125.9ms TimeCoverageRelationStatistics Valid=4798, Invalid=12232, Unknown=0, NotChecked=0, Total=17030 [2021-06-05 11:07:23,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176402 states. [2021-06-05 11:07:25,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176402 to 105788. [2021-06-05 11:07:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105788 states, 105784 states have (on average 3.091639567420404) internal successors, (327046), 105787 states have internal predecessors, (327046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:07:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105788 states to 105788 states and 327046 transitions. [2021-06-05 11:07:25,838 INFO L78 Accepts]: Start accepts. Automaton has 105788 states and 327046 transitions. Word has length 95 [2021-06-05 11:07:25,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:07:25,838 INFO L482 AbstractCegarLoop]: Abstraction has 105788 states and 327046 transitions. [2021-06-05 11:07:25,838 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:07:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 105788 states and 327046 transitions. [2021-06-05 11:07:25,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:07:25,917 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:07:25,917 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:07:25,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 11:07:25,917 INFO L430 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:07:25,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:07:25,918 INFO L82 PathProgramCache]: Analyzing trace with hash -2146874239, now seen corresponding path program 4 times [2021-06-05 11:07:25,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:07:25,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118210128] [2021-06-05 11:07:25,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:07:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:07:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:07:26,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:07:26,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118210128] [2021-06-05 11:07:26,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118210128] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:07:26,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:07:26,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:07:26,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48204870] [2021-06-05 11:07:26,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:07:26,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:07:26,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:07:26,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:07:26,786 INFO L87 Difference]: Start difference. First operand 105788 states and 327046 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:07:28,621 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-06-05 11:07:28,874 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-06-05 11:07:29,246 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-05 11:07:30,363 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:07:30,957 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2021-06-05 11:07:31,146 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-06-05 11:07:31,645 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2021-06-05 11:07:32,081 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-06-05 11:07:32,229 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-06-05 11:07:32,364 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-05 11:07:32,571 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-06-05 11:07:32,740 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-06-05 11:07:33,028 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-06-05 11:07:33,191 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-06-05 11:07:33,350 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2021-06-05 11:07:33,593 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-06-05 11:07:33,930 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2021-06-05 11:07:34,104 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-06-05 11:07:34,236 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-06-05 11:07:34,468 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-06-05 11:07:34,664 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-06-05 11:07:35,139 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-06-05 11:07:35,296 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2021-06-05 11:07:35,660 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 11:07:35,878 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-06-05 11:07:36,221 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-06-05 11:07:36,372 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-06-05 11:07:36,518 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-06-05 11:07:36,740 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-06-05 11:07:36,951 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-06-05 11:07:37,186 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-06-05 11:07:37,539 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-06-05 11:07:37,712 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-06-05 11:07:37,966 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-06-05 11:07:38,191 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-06-05 11:07:38,381 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-06-05 11:07:38,545 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2021-06-05 11:07:38,779 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-06-05 11:07:39,087 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-06-05 11:07:39,335 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-06-05 11:07:39,548 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-05 11:07:39,855 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-06-05 11:07:40,109 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 11:07:40,337 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-06-05 11:07:40,672 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-05 11:07:40,949 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-06-05 11:07:41,191 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 11:07:41,514 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 11:07:41,784 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2021-06-05 11:07:42,042 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 11:07:42,280 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-06-05 11:07:42,700 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-06-05 11:07:42,971 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-06-05 11:07:43,349 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-05 11:07:43,622 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-06-05 11:07:43,946 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 11:07:44,210 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-06-05 11:07:44,588 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-06-05 11:07:44,942 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-06-05 11:07:45,383 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-06-05 11:07:45,893 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-06-05 11:07:46,421 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-06-05 11:07:46,846 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 11:07:47,402 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-06-05 11:07:49,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:07:49,318 INFO L93 Difference]: Finished difference Result 171240 states and 528431 transitions. [2021-06-05 11:07:49,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-06-05 11:07:49,319 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:07:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:07:49,583 INFO L225 Difference]: With dead ends: 171240 [2021-06-05 11:07:49,583 INFO L226 Difference]: Without dead ends: 171240 [2021-06-05 11:07:49,585 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3316 ImplicationChecksByTransitivity, 17125.5ms TimeCoverageRelationStatistics Valid=4980, Invalid=12842, Unknown=0, NotChecked=0, Total=17822 [2021-06-05 11:07:50,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171240 states. [2021-06-05 11:07:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171240 to 105872. [2021-06-05 11:07:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105872 states, 105868 states have (on average 3.091802999962217) internal successors, (327323), 105871 states have internal predecessors, (327323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:07:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105872 states to 105872 states and 327323 transitions. [2021-06-05 11:07:52,512 INFO L78 Accepts]: Start accepts. Automaton has 105872 states and 327323 transitions. Word has length 95 [2021-06-05 11:07:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:07:52,512 INFO L482 AbstractCegarLoop]: Abstraction has 105872 states and 327323 transitions. [2021-06-05 11:07:52,512 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:07:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 105872 states and 327323 transitions. [2021-06-05 11:07:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:07:53,064 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:07:53,065 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:07:53,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 11:07:53,065 INFO L430 AbstractCegarLoop]: === Iteration 8 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:07:53,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:07:53,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1695501187, now seen corresponding path program 5 times [2021-06-05 11:07:53,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:07:53,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915582401] [2021-06-05 11:07:53,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:07:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:07:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:07:53,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:07:53,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915582401] [2021-06-05 11:07:53,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915582401] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:07:53,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:07:53,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:07:53,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223718157] [2021-06-05 11:07:53,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:07:53,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:07:53,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:07:53,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:07:53,990 INFO L87 Difference]: Start difference. First operand 105872 states and 327323 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:07:55,410 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2021-06-05 11:07:55,618 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 58 [2021-06-05 11:07:55,814 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-06-05 11:07:56,006 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2021-06-05 11:07:56,210 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-06-05 11:07:56,389 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-06-05 11:07:56,774 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-06-05 11:07:57,579 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-06-05 11:07:57,955 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 11:07:58,253 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-06-05 11:07:58,642 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-06-05 11:07:58,842 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-06-05 11:07:58,987 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 63 [2021-06-05 11:07:59,322 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-06-05 11:07:59,862 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-05 11:08:00,030 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-06-05 11:08:00,184 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-06-05 11:08:00,320 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2021-06-05 11:08:00,845 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 11:08:01,008 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-06-05 11:08:01,159 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-06-05 11:08:01,804 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-06-05 11:08:01,995 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-06-05 11:08:02,175 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-06-05 11:08:02,312 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2021-06-05 11:08:02,564 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-06-05 11:08:02,727 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2021-06-05 11:08:03,141 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-06-05 11:08:03,398 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-06-05 11:08:03,573 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-06-05 11:08:03,709 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2021-06-05 11:08:03,887 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-06-05 11:08:04,226 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-06-05 11:08:04,425 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:08:04,584 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-06-05 11:08:04,735 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-06-05 11:08:04,971 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-06-05 11:08:05,199 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2021-06-05 11:08:05,568 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-06-05 11:08:05,790 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-06-05 11:08:05,978 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 11:08:06,156 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-06-05 11:08:06,427 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 72 [2021-06-05 11:08:06,615 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 11:08:06,761 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2021-06-05 11:08:07,013 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-06-05 11:08:07,300 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 11:08:07,512 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-06-05 11:08:07,794 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 76 [2021-06-05 11:08:07,982 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-06-05 11:08:08,127 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2021-06-05 11:08:08,402 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 11:08:08,626 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 11:08:08,903 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-06-05 11:08:09,171 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 78 [2021-06-05 11:08:09,429 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-05 11:08:09,737 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 11:08:09,953 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-06-05 11:08:10,248 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-06-05 11:08:10,544 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-06-05 11:08:10,742 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-06-05 11:08:10,911 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-06-05 11:08:11,207 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2021-06-05 11:08:11,447 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 11:08:11,820 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 11:08:12,113 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-06-05 11:08:12,387 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-06-05 11:08:12,718 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-06-05 11:08:13,081 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-06-05 11:08:13,342 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 75 [2021-06-05 11:08:13,570 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 11:08:13,875 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 11:08:14,192 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-06-05 11:08:14,551 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-06-05 11:08:14,890 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-06-05 11:08:15,174 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-06-05 11:08:15,564 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 91 [2021-06-05 11:08:15,879 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-06-05 11:08:16,328 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-06-05 11:08:16,888 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 96 [2021-06-05 11:08:17,519 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 94 [2021-06-05 11:08:17,999 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2021-06-05 11:08:18,477 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 95 [2021-06-05 11:08:20,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:08:20,524 INFO L93 Difference]: Finished difference Result 169356 states and 523485 transitions. [2021-06-05 11:08:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-06-05 11:08:20,524 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:08:20,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:08:21,006 INFO L225 Difference]: With dead ends: 169356 [2021-06-05 11:08:21,006 INFO L226 Difference]: Without dead ends: 169356 [2021-06-05 11:08:21,007 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4985 ImplicationChecksByTransitivity, 20901.2ms TimeCoverageRelationStatistics Valid=5883, Invalid=17069, Unknown=0, NotChecked=0, Total=22952 [2021-06-05 11:08:22,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169356 states. [2021-06-05 11:08:23,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169356 to 115280. [2021-06-05 11:08:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115280 states, 115276 states have (on average 3.0935407196641105) internal successors, (356611), 115279 states have internal predecessors, (356611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:08:24,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115280 states to 115280 states and 356611 transitions. [2021-06-05 11:08:24,412 INFO L78 Accepts]: Start accepts. Automaton has 115280 states and 356611 transitions. Word has length 95 [2021-06-05 11:08:24,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:08:24,412 INFO L482 AbstractCegarLoop]: Abstraction has 115280 states and 356611 transitions. [2021-06-05 11:08:24,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:08:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 115280 states and 356611 transitions. [2021-06-05 11:08:24,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:08:24,502 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:08:24,502 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:08:24,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 11:08:24,502 INFO L430 AbstractCegarLoop]: === Iteration 9 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:08:24,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:08:24,503 INFO L82 PathProgramCache]: Analyzing trace with hash 2005535391, now seen corresponding path program 6 times [2021-06-05 11:08:24,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:08:24,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150471215] [2021-06-05 11:08:24,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:08:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:08:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:08:25,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:08:25,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150471215] [2021-06-05 11:08:25,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150471215] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:08:25,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:08:25,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 11:08:25,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244394060] [2021-06-05 11:08:25,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 11:08:25,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:08:25,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 11:08:25,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-05 11:08:25,133 INFO L87 Difference]: Start difference. First operand 115280 states and 356611 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:08:27,035 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 11:08:27,222 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-06-05 11:08:27,419 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-06-05 11:08:27,722 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-06-05 11:08:27,944 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-06-05 11:08:28,267 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2021-06-05 11:08:28,872 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2021-06-05 11:08:29,042 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2021-06-05 11:08:29,377 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-05 11:08:29,587 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 11:08:30,277 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-06-05 11:08:30,496 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 65 [2021-06-05 11:08:30,885 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 11:08:31,343 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 11:08:31,502 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-06-05 11:08:31,649 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 11:08:31,785 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2021-06-05 11:08:32,135 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 11:08:32,294 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-06-05 11:08:32,443 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-06-05 11:08:32,846 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-05 11:08:33,027 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-06-05 11:08:33,199 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 11:08:33,337 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2021-06-05 11:08:33,834 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 11:08:34,034 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 11:08:34,190 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-06-05 11:08:34,703 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 11:08:34,912 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:08:35,097 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-06-05 11:08:35,246 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 11:08:35,392 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 11:08:35,811 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 11:08:36,017 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-05 11:08:36,194 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 11:08:36,365 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-06-05 11:08:36,573 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2021-06-05 11:08:36,719 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-06-05 11:08:36,996 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-06-05 11:08:37,287 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-06-05 11:08:37,488 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-06-05 11:08:37,796 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:08:38,033 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-05 11:08:38,245 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 11:08:38,465 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-06-05 11:08:38,717 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 11:08:38,978 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-06-05 11:08:39,201 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:08:39,426 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-06-05 11:08:39,658 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-06-05 11:08:39,915 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 11:08:40,157 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 11:08:40,385 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-05 11:08:40,632 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-06-05 11:08:40,836 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-06-05 11:08:41,185 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-06-05 11:08:41,415 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-06-05 11:08:41,664 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 11:08:41,975 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-06-05 11:08:42,234 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 11:08:42,546 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2021-06-05 11:08:42,800 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 11:08:43,046 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-06-05 11:08:43,293 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 11:08:43,594 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-06-05 11:08:43,874 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-06-05 11:08:44,189 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-06-05 11:08:44,582 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 92 [2021-06-05 11:08:44,887 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-06-05 11:08:45,114 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-05 11:08:45,524 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-06-05 11:08:45,874 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-06-05 11:08:46,294 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-06-05 11:08:46,588 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-06-05 11:08:47,005 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-06-05 11:08:47,332 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 11:08:47,548 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-06-05 11:08:47,982 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 95 [2021-06-05 11:08:48,291 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-06-05 11:08:50,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:08:50,786 INFO L93 Difference]: Finished difference Result 172640 states and 532700 transitions. [2021-06-05 11:08:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-06-05 11:08:50,787 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:08:50,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:08:51,062 INFO L225 Difference]: With dead ends: 172640 [2021-06-05 11:08:51,062 INFO L226 Difference]: Without dead ends: 172640 [2021-06-05 11:08:51,063 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4289 ImplicationChecksByTransitivity, 19354.8ms TimeCoverageRelationStatistics Valid=5541, Invalid=15339, Unknown=0, NotChecked=0, Total=20880 [2021-06-05 11:08:52,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172640 states. [2021-06-05 11:08:53,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172640 to 115392. [2021-06-05 11:08:54,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115392 states, 115388 states have (on average 3.0934845911186604) internal successors, (356951), 115391 states have internal predecessors, (356951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:08:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115392 states to 115392 states and 356951 transitions. [2021-06-05 11:08:54,349 INFO L78 Accepts]: Start accepts. Automaton has 115392 states and 356951 transitions. Word has length 95 [2021-06-05 11:08:54,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:08:54,349 INFO L482 AbstractCegarLoop]: Abstraction has 115392 states and 356951 transitions. [2021-06-05 11:08:54,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:08:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 115392 states and 356951 transitions. [2021-06-05 11:08:54,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:08:54,447 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:08:54,447 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:08:54,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 11:08:54,447 INFO L430 AbstractCegarLoop]: === Iteration 10 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:08:54,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:08:54,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1157750219, now seen corresponding path program 7 times [2021-06-05 11:08:54,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:08:54,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540034739] [2021-06-05 11:08:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:08:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:08:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:08:55,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:08:55,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540034739] [2021-06-05 11:08:55,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540034739] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:08:55,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:08:55,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:08:55,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615165714] [2021-06-05 11:08:55,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:08:55,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:08:55,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:08:55,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:08:55,347 INFO L87 Difference]: Start difference. First operand 115392 states and 356951 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:08:55,876 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2021-06-05 11:08:56,610 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2021-06-05 11:08:56,844 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-06-05 11:08:57,065 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-06-05 11:08:57,315 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-06-05 11:08:57,829 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 11:08:58,121 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2021-06-05 11:08:58,342 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-06-05 11:08:58,537 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2021-06-05 11:08:58,746 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 11:08:58,889 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2021-06-05 11:08:59,124 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-06-05 11:08:59,309 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-06-05 11:08:59,477 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-06-05 11:08:59,625 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-06-05 11:08:59,868 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-06-05 11:09:00,044 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2021-06-05 11:09:00,208 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-06-05 11:09:00,473 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-06-05 11:09:00,708 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-05 11:09:00,883 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-06-05 11:09:01,025 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2021-06-05 11:09:01,282 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-06-05 11:09:01,482 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-06-05 11:09:01,646 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-06-05 11:09:01,783 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-06-05 11:09:02,026 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-06-05 11:09:02,235 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-06-05 11:09:02,431 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 11:09:02,589 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2021-06-05 11:09:02,753 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-06-05 11:09:03,011 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-06-05 11:09:03,226 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-06-05 11:09:03,412 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-06-05 11:09:03,587 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-06-05 11:09:03,872 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-06-05 11:09:04,106 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-06-05 11:09:04,306 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-06-05 11:09:04,582 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-06-05 11:09:04,853 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-06-05 11:09:05,072 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-05 11:09:05,356 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-06-05 11:09:05,625 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-06-05 11:09:05,836 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-06-05 11:09:06,111 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 11:09:06,378 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 11:09:06,628 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-06-05 11:09:06,857 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-06-05 11:09:07,239 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-06-05 11:09:07,479 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-06-05 11:09:07,818 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-05 11:09:08,079 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-06-05 11:09:08,373 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-06-05 11:09:08,630 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 11:09:08,958 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-06-05 11:09:09,265 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 11:09:09,630 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-06-05 11:09:10,033 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-06-05 11:09:10,469 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-06-05 11:09:10,882 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-06-05 11:09:11,357 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 95 [2021-06-05 11:09:12,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:09:12,873 INFO L93 Difference]: Finished difference Result 149569 states and 461456 transitions. [2021-06-05 11:09:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-05 11:09:12,874 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:09:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:09:13,113 INFO L225 Difference]: With dead ends: 149569 [2021-06-05 11:09:13,113 INFO L226 Difference]: Without dead ends: 149569 [2021-06-05 11:09:13,114 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1765 ImplicationChecksByTransitivity, 14134.2ms TimeCoverageRelationStatistics Valid=3289, Invalid=7841, Unknown=0, NotChecked=0, Total=11130 [2021-06-05 11:09:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149569 states. [2021-06-05 11:09:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149569 to 119592. [2021-06-05 11:09:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119592 states, 119588 states have (on average 3.09605478810583) internal successors, (370251), 119591 states have internal predecessors, (370251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:09:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119592 states to 119592 states and 370251 transitions. [2021-06-05 11:09:16,201 INFO L78 Accepts]: Start accepts. Automaton has 119592 states and 370251 transitions. Word has length 95 [2021-06-05 11:09:16,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:09:16,201 INFO L482 AbstractCegarLoop]: Abstraction has 119592 states and 370251 transitions. [2021-06-05 11:09:16,202 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:09:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 119592 states and 370251 transitions. [2021-06-05 11:09:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:09:16,303 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:09:16,303 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:09:16,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 11:09:16,303 INFO L430 AbstractCegarLoop]: === Iteration 11 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:09:16,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:09:16,304 INFO L82 PathProgramCache]: Analyzing trace with hash 538158021, now seen corresponding path program 8 times [2021-06-05 11:09:16,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:09:16,304 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305589386] [2021-06-05 11:09:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:09:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:09:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:09:17,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:09:17,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305589386] [2021-06-05 11:09:17,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305589386] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:09:17,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:09:17,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:09:17,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509547598] [2021-06-05 11:09:17,175 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:09:17,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:09:17,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:09:17,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:09:17,176 INFO L87 Difference]: Start difference. First operand 119592 states and 370251 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:09:18,764 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2021-06-05 11:09:19,029 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-06-05 11:09:19,271 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-06-05 11:09:19,550 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-06-05 11:09:20,046 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-06-05 11:09:20,301 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 11:09:20,457 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-06-05 11:09:20,658 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2021-06-05 11:09:20,894 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-06-05 11:09:21,063 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-06-05 11:09:21,274 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-06-05 11:09:21,414 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-06-05 11:09:21,597 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 11:09:21,791 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-06-05 11:09:21,924 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2021-06-05 11:09:22,131 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-06-05 11:09:22,304 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-06-05 11:09:22,475 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-06-05 11:09:22,657 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-06-05 11:09:22,801 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 11:09:23,025 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-06-05 11:09:23,191 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2021-06-05 11:09:23,393 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 11:09:23,524 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2021-06-05 11:09:23,756 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-06-05 11:09:23,948 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-05 11:09:24,129 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-06-05 11:09:24,321 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-06-05 11:09:24,451 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-06-05 11:09:24,687 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-06-05 11:09:24,910 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-06-05 11:09:25,076 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-06-05 11:09:25,262 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-06-05 11:09:25,406 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 11:09:25,628 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-06-05 11:09:25,839 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-06-05 11:09:26,039 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 11:09:26,201 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2021-06-05 11:09:26,406 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 11:09:26,667 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-06-05 11:09:26,888 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-06-05 11:09:27,097 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-06-05 11:09:27,277 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-06-05 11:09:27,589 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-06-05 11:09:27,828 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-06-05 11:09:28,034 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-06-05 11:09:28,326 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-06-05 11:09:28,577 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-06-05 11:09:28,803 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-05 11:09:29,169 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-06-05 11:09:29,439 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-06-05 11:09:29,651 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-06-05 11:09:29,959 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 11:09:30,228 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 11:09:30,484 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-06-05 11:09:30,718 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-06-05 11:09:31,127 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-06-05 11:09:31,401 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-06-05 11:09:31,764 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-05 11:09:32,030 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-06-05 11:09:32,348 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-06-05 11:09:32,611 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 11:09:32,995 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-06-05 11:09:33,283 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 11:09:33,761 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-06-05 11:09:34,271 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-06-05 11:09:34,775 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-06-05 11:09:35,221 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-06-05 11:09:35,661 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 95 [2021-06-05 11:09:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:09:37,458 INFO L93 Difference]: Finished difference Result 179839 states and 555037 transitions. [2021-06-05 11:09:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-06-05 11:09:37,459 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:09:37,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:09:37,767 INFO L225 Difference]: With dead ends: 179839 [2021-06-05 11:09:37,768 INFO L226 Difference]: Without dead ends: 179839 [2021-06-05 11:09:37,768 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2171 ImplicationChecksByTransitivity, 15419.8ms TimeCoverageRelationStatistics Valid=3930, Invalid=9410, Unknown=0, NotChecked=0, Total=13340 [2021-06-05 11:09:38,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179839 states. [2021-06-05 11:09:40,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179839 to 119620. [2021-06-05 11:09:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119620 states, 119616 states have (on average 3.0960406634563937) internal successors, (370336), 119619 states have internal predecessors, (370336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:09:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119620 states to 119620 states and 370336 transitions. [2021-06-05 11:09:41,061 INFO L78 Accepts]: Start accepts. Automaton has 119620 states and 370336 transitions. Word has length 95 [2021-06-05 11:09:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:09:41,061 INFO L482 AbstractCegarLoop]: Abstraction has 119620 states and 370336 transitions. [2021-06-05 11:09:41,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:09:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 119620 states and 370336 transitions. [2021-06-05 11:09:41,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:09:41,162 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:09:41,162 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:09:41,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 11:09:41,162 INFO L430 AbstractCegarLoop]: === Iteration 12 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:09:41,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:09:41,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2644557, now seen corresponding path program 9 times [2021-06-05 11:09:41,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:09:41,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265141366] [2021-06-05 11:09:41,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:09:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:09:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:09:42,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:09:42,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265141366] [2021-06-05 11:09:42,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265141366] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:09:42,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:09:42,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:09:42,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188542291] [2021-06-05 11:09:42,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:09:42,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:09:42,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:09:42,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:09:42,423 INFO L87 Difference]: Start difference. First operand 119620 states and 370336 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:09:43,498 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-06-05 11:09:43,632 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-06-05 11:09:43,887 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 11:09:44,120 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-06-05 11:09:44,385 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 11:09:45,146 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 11:09:45,297 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-06-05 11:09:45,536 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2021-06-05 11:09:45,746 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 11:09:45,904 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-06-05 11:09:46,112 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-06-05 11:09:46,460 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-06-05 11:09:46,612 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-06-05 11:09:46,744 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2021-06-05 11:09:46,953 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-06-05 11:09:47,130 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-06-05 11:09:47,338 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-06-05 11:09:47,498 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-06-05 11:09:47,643 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 11:09:47,867 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-06-05 11:09:48,077 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-06-05 11:09:48,250 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 11:09:48,382 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2021-06-05 11:09:48,619 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2021-06-05 11:09:48,818 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-06-05 11:09:49,054 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-06-05 11:09:49,213 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-06-05 11:09:49,343 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-06-05 11:09:49,593 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-06-05 11:09:49,809 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-06-05 11:09:50,029 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-06-05 11:09:50,181 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-06-05 11:09:50,326 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 11:09:50,550 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-06-05 11:09:50,765 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 72 [2021-06-05 11:09:50,967 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-06-05 11:09:51,181 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-06-05 11:09:51,351 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 11:09:51,611 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 72 [2021-06-05 11:09:51,857 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 74 [2021-06-05 11:09:52,053 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-06-05 11:09:52,284 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-06-05 11:09:52,565 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 76 [2021-06-05 11:09:52,810 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-06-05 11:09:53,027 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-06-05 11:09:53,331 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-06-05 11:09:53,589 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-06-05 11:09:53,821 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-06-05 11:09:54,170 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-06-05 11:09:54,449 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-06-05 11:09:54,669 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-06-05 11:09:54,979 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 11:09:55,257 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-06-05 11:09:55,521 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 79 [2021-06-05 11:09:55,763 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-06-05 11:09:56,163 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-06-05 11:09:56,443 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 75 [2021-06-05 11:09:56,806 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 84 [2021-06-05 11:09:57,079 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 80 [2021-06-05 11:09:57,404 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-06-05 11:09:57,674 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 80 [2021-06-05 11:09:58,037 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 91 [2021-06-05 11:09:58,330 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2021-06-05 11:09:58,799 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-06-05 11:09:59,294 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 96 [2021-06-05 11:09:59,782 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 94 [2021-06-05 11:10:00,232 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 90 [2021-06-05 11:10:00,660 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-06-05 11:10:02,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:10:02,320 INFO L93 Difference]: Finished difference Result 174677 states and 539348 transitions. [2021-06-05 11:10:02,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-05 11:10:02,321 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:10:02,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:10:02,612 INFO L225 Difference]: With dead ends: 174677 [2021-06-05 11:10:02,612 INFO L226 Difference]: Without dead ends: 174677 [2021-06-05 11:10:02,613 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2197 ImplicationChecksByTransitivity, 16156.1ms TimeCoverageRelationStatistics Valid=4010, Invalid=9562, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 11:10:03,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174677 states. [2021-06-05 11:10:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174677 to 119704. [2021-06-05 11:10:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119704 states, 119700 states have (on average 3.0961821219715957) internal successors, (370613), 119703 states have internal predecessors, (370613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:10:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119704 states to 119704 states and 370613 transitions. [2021-06-05 11:10:06,706 INFO L78 Accepts]: Start accepts. Automaton has 119704 states and 370613 transitions. Word has length 95 [2021-06-05 11:10:06,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:10:06,706 INFO L482 AbstractCegarLoop]: Abstraction has 119704 states and 370613 transitions. [2021-06-05 11:10:06,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:10:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 119704 states and 370613 transitions. [2021-06-05 11:10:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:10:06,835 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:10:06,835 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:10:06,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 11:10:06,841 INFO L430 AbstractCegarLoop]: === Iteration 13 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:10:06,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:10:06,842 INFO L82 PathProgramCache]: Analyzing trace with hash 454017609, now seen corresponding path program 10 times [2021-06-05 11:10:06,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:10:06,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034332015] [2021-06-05 11:10:06,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:10:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:10:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:10:08,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:10:08,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034332015] [2021-06-05 11:10:08,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034332015] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:10:08,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:10:08,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:10:08,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569363964] [2021-06-05 11:10:08,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:10:08,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:10:08,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:10:08,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:10:08,167 INFO L87 Difference]: Start difference. First operand 119704 states and 370613 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:10:09,382 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2021-06-05 11:10:09,783 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2021-06-05 11:10:09,924 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2021-06-05 11:10:10,064 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2021-06-05 11:10:10,267 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 57 [2021-06-05 11:10:10,451 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2021-06-05 11:10:10,635 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2021-06-05 11:10:10,826 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-06-05 11:10:10,999 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-06-05 11:10:11,272 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-06-05 11:10:11,749 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-06-05 11:10:11,976 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-06-05 11:10:12,360 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 11:10:12,740 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-06-05 11:10:13,092 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-06-05 11:10:13,256 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 11:10:13,404 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-06-05 11:10:13,538 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2021-06-05 11:10:13,771 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-06-05 11:10:13,929 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2021-06-05 11:10:14,075 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2021-06-05 11:10:14,350 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 11:10:14,535 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-06-05 11:10:14,707 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-06-05 11:10:14,837 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-06-05 11:10:15,083 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-06-05 11:10:15,309 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 11:10:15,510 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-06-05 11:10:15,666 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2021-06-05 11:10:15,796 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 65 [2021-06-05 11:10:16,054 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 11:10:16,242 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-06-05 11:10:16,392 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-06-05 11:10:16,552 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2021-06-05 11:10:16,781 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-06-05 11:10:17,026 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-05 11:10:17,241 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:10:17,419 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-06-05 11:10:17,592 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-06-05 11:10:17,854 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-06-05 11:10:18,106 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-06-05 11:10:18,339 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2021-06-05 11:10:18,537 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-06-05 11:10:18,812 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 11:10:19,107 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 11:10:19,324 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-06-05 11:10:19,598 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-06-05 11:10:19,854 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 11:10:20,149 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-06-05 11:10:20,353 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 11:10:20,643 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2021-06-05 11:10:20,921 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-06-05 11:10:21,245 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-06-05 11:10:21,470 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-06-05 11:10:21,717 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-06-05 11:10:22,004 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-06-05 11:10:22,264 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 11:10:22,559 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-06-05 11:10:22,910 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-06-05 11:10:23,157 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 11:10:23,489 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-06-05 11:10:23,793 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-06-05 11:10:24,064 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-06-05 11:10:24,385 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-06-05 11:10:24,658 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-06-05 11:10:25,029 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2021-06-05 11:10:25,325 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-06-05 11:10:25,778 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 11:10:26,242 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 98 [2021-06-05 11:10:26,721 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 94 [2021-06-05 11:10:27,112 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-06-05 11:10:27,573 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-06-05 11:10:29,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:10:29,505 INFO L93 Difference]: Finished difference Result 173276 states and 535936 transitions. [2021-06-05 11:10:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-05 11:10:29,505 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:10:29,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:10:29,796 INFO L225 Difference]: With dead ends: 173276 [2021-06-05 11:10:29,796 INFO L226 Difference]: Without dead ends: 173276 [2021-06-05 11:10:29,796 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2274 ImplicationChecksByTransitivity, 17368.0ms TimeCoverageRelationStatistics Valid=4150, Invalid=9892, Unknown=0, NotChecked=0, Total=14042 [2021-06-05 11:10:30,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173276 states. [2021-06-05 11:10:32,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173276 to 120012. [2021-06-05 11:10:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120012 states, 120008 states have (on average 3.096260249316712) internal successors, (371576), 120011 states have internal predecessors, (371576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:10:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120012 states to 120012 states and 371576 transitions. [2021-06-05 11:10:32,932 INFO L78 Accepts]: Start accepts. Automaton has 120012 states and 371576 transitions. Word has length 95 [2021-06-05 11:10:32,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:10:32,932 INFO L482 AbstractCegarLoop]: Abstraction has 120012 states and 371576 transitions. [2021-06-05 11:10:32,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:10:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 120012 states and 371576 transitions. [2021-06-05 11:10:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:10:33,489 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:10:33,489 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:10:33,490 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 11:10:33,490 INFO L430 AbstractCegarLoop]: === Iteration 14 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:10:33,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:10:33,490 INFO L82 PathProgramCache]: Analyzing trace with hash -139913109, now seen corresponding path program 11 times [2021-06-05 11:10:33,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:10:33,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122279385] [2021-06-05 11:10:33,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:10:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:10:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:10:34,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:10:34,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122279385] [2021-06-05 11:10:34,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122279385] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:10:34,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:10:34,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 11:10:34,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520721221] [2021-06-05 11:10:34,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 11:10:34,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:10:34,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 11:10:34,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 11:10:34,287 INFO L87 Difference]: Start difference. First operand 120012 states and 371576 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:10:36,107 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 11:10:36,287 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 11:10:36,473 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-06-05 11:10:36,686 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-06-05 11:10:36,894 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 11:10:37,311 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:10:37,661 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-06-05 11:10:37,871 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 11:10:38,257 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-06-05 11:10:38,725 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 11:10:39,080 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 11:10:39,239 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-06-05 11:10:39,385 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 11:10:39,519 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2021-06-05 11:10:39,757 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 11:10:39,913 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-06-05 11:10:40,058 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-06-05 11:10:40,323 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 11:10:40,503 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-06-05 11:10:40,672 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 11:10:40,863 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2021-06-05 11:10:41,138 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 11:10:41,332 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 11:10:41,485 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-06-05 11:10:41,614 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-06-05 11:10:41,861 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-06-05 11:10:42,055 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:10:42,235 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-06-05 11:10:42,382 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 11:10:42,525 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 11:10:42,790 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 11:10:42,995 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-05 11:10:43,167 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 11:10:43,349 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-06-05 11:10:43,642 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 11:10:43,868 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-06-05 11:10:44,057 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-06-05 11:10:44,342 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2021-06-05 11:10:44,572 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 11:10:44,775 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 11:10:45,062 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-05 11:10:45,312 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 11:10:45,505 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:10:45,811 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-06-05 11:10:46,065 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-06-05 11:10:46,297 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 11:10:46,512 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-05 11:10:46,769 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 11:10:47,101 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-06-05 11:10:47,323 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 11:10:47,677 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 88 [2021-06-05 11:10:47,953 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-06-05 11:10:48,248 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-06-05 11:10:48,493 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-05 11:10:48,747 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 11:10:49,056 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-06-05 11:10:49,318 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-05 11:10:49,591 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-06-05 11:10:49,945 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 97 [2021-06-05 11:10:50,299 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-06-05 11:10:50,694 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 100 [2021-06-05 11:10:51,040 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-06-05 11:10:51,414 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2021-06-05 11:10:51,707 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-06-05 11:10:52,098 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-06-05 11:10:52,376 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 11:10:52,842 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 100 [2021-06-05 11:10:53,139 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-06-05 11:10:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:10:55,266 INFO L93 Difference]: Finished difference Result 175918 states and 543182 transitions. [2021-06-05 11:10:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-05 11:10:55,266 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:10:55,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:10:55,553 INFO L225 Difference]: With dead ends: 175918 [2021-06-05 11:10:55,553 INFO L226 Difference]: Without dead ends: 175918 [2021-06-05 11:10:55,554 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2406 ImplicationChecksByTransitivity, 15977.4ms TimeCoverageRelationStatistics Valid=4161, Invalid=10119, Unknown=0, NotChecked=0, Total=14280 [2021-06-05 11:10:56,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175918 states. [2021-06-05 11:10:58,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175918 to 120012. [2021-06-05 11:10:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120012 states, 120008 states have (on average 3.096260249316712) internal successors, (371576), 120011 states have internal predecessors, (371576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:10:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120012 states to 120012 states and 371576 transitions. [2021-06-05 11:10:58,592 INFO L78 Accepts]: Start accepts. Automaton has 120012 states and 371576 transitions. Word has length 95 [2021-06-05 11:10:58,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:10:58,592 INFO L482 AbstractCegarLoop]: Abstraction has 120012 states and 371576 transitions. [2021-06-05 11:10:58,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:10:58,592 INFO L276 IsEmpty]: Start isEmpty. Operand 120012 states and 371576 transitions. [2021-06-05 11:10:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:10:59,168 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:10:59,168 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:10:59,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 11:10:59,168 INFO L430 AbstractCegarLoop]: === Iteration 15 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:10:59,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:10:59,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1925386835, now seen corresponding path program 12 times [2021-06-05 11:10:59,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:10:59,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925913383] [2021-06-05 11:10:59,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:10:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:11:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:11:00,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:11:00,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925913383] [2021-06-05 11:11:00,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925913383] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:11:00,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:11:00,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:11:00,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226371939] [2021-06-05 11:11:00,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:11:00,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:11:00,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:11:00,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:11:00,162 INFO L87 Difference]: Start difference. First operand 120012 states and 371576 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:11:01,280 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 11:11:01,494 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-06-05 11:11:01,999 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 11:11:02,414 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-06-05 11:11:02,775 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 11:11:03,012 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2021-06-05 11:11:03,237 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 11:11:03,399 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2021-06-05 11:11:03,545 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-06-05 11:11:03,763 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-06-05 11:11:03,914 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2021-06-05 11:11:04,147 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-06-05 11:11:04,350 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2021-06-05 11:11:04,514 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-06-05 11:11:04,742 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 11:11:04,933 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-05 11:11:05,086 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2021-06-05 11:11:05,310 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-06-05 11:11:05,507 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 11:11:05,691 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-05 11:11:05,839 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 11:11:06,089 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 72 [2021-06-05 11:11:06,294 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-06-05 11:11:06,469 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-06-05 11:11:06,662 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 11:11:06,929 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2021-06-05 11:11:07,149 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-06-05 11:11:07,343 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-05 11:11:07,599 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 11:11:07,830 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-06-05 11:11:08,037 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-05 11:11:08,325 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 11:11:08,574 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-06-05 11:11:08,773 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-06-05 11:11:09,059 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-06-05 11:11:09,310 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 11:11:09,546 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-06-05 11:11:09,763 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-06-05 11:11:10,096 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-06-05 11:11:10,324 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2021-06-05 11:11:10,638 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-06-05 11:11:10,882 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-06-05 11:11:11,197 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-06-05 11:11:11,442 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 11:11:11,745 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2021-06-05 11:11:12,008 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-06-05 11:11:12,343 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 93 [2021-06-05 11:11:12,718 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 96 [2021-06-05 11:11:13,126 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 94 [2021-06-05 11:11:13,586 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-06-05 11:11:13,988 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-06-05 11:11:15,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:11:15,501 INFO L93 Difference]: Finished difference Result 153022 states and 472538 transitions. [2021-06-05 11:11:15,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-05 11:11:15,502 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:11:15,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:11:15,933 INFO L225 Difference]: With dead ends: 153022 [2021-06-05 11:11:15,933 INFO L226 Difference]: Without dead ends: 153022 [2021-06-05 11:11:15,934 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1428 ImplicationChecksByTransitivity, 12128.8ms TimeCoverageRelationStatistics Valid=2842, Invalid=6664, Unknown=0, NotChecked=0, Total=9506 [2021-06-05 11:11:16,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153022 states. [2021-06-05 11:11:18,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153022 to 119312. [2021-06-05 11:11:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119312 states, 119308 states have (on average 3.0966154826164214) internal successors, (369451), 119311 states have internal predecessors, (369451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:11:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119312 states to 119312 states and 369451 transitions. [2021-06-05 11:11:18,893 INFO L78 Accepts]: Start accepts. Automaton has 119312 states and 369451 transitions. Word has length 95 [2021-06-05 11:11:18,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:11:18,893 INFO L482 AbstractCegarLoop]: Abstraction has 119312 states and 369451 transitions. [2021-06-05 11:11:18,894 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:11:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 119312 states and 369451 transitions. [2021-06-05 11:11:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:11:18,994 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:11:18,994 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:11:18,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 11:11:18,994 INFO L430 AbstractCegarLoop]: === Iteration 16 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:11:18,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:11:18,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1389873371, now seen corresponding path program 13 times [2021-06-05 11:11:18,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:11:18,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199089592] [2021-06-05 11:11:18,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:11:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:11:19,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:11:19,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:11:19,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199089592] [2021-06-05 11:11:19,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199089592] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:11:19,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:11:19,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:11:19,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125476532] [2021-06-05 11:11:19,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:11:19,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:11:19,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:11:19,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:11:19,745 INFO L87 Difference]: Start difference. First operand 119312 states and 369451 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:11:21,559 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-06-05 11:11:21,792 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-06-05 11:11:22,066 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-06-05 11:11:22,717 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 81 [2021-06-05 11:11:23,108 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-06-05 11:11:23,265 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-06-05 11:11:23,499 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-06-05 11:11:23,736 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-06-05 11:11:23,876 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-06-05 11:11:24,045 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-06-05 11:11:24,221 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-06-05 11:11:24,438 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-06-05 11:11:24,584 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2021-06-05 11:11:24,764 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-06-05 11:11:24,998 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-06-05 11:11:25,173 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-06-05 11:11:25,378 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-06-05 11:11:25,581 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-05 11:11:25,843 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 11:11:25,989 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-06-05 11:11:26,185 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-06-05 11:11:26,386 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-05 11:11:26,603 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2021-06-05 11:11:26,746 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-06-05 11:11:26,947 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-06-05 11:11:27,151 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-06-05 11:11:27,342 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 11:11:27,566 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-06-05 11:11:27,752 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-06-05 11:11:27,976 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-06-05 11:11:28,189 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-06-05 11:11:28,373 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-06-05 11:11:28,611 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 11:11:28,860 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-06-05 11:11:29,091 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-06-05 11:11:29,293 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-06-05 11:11:29,568 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-06-05 11:11:29,811 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-06-05 11:11:30,052 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-05 11:11:30,362 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-06-05 11:11:30,624 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-06-05 11:11:30,831 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-06-05 11:11:31,119 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 11:11:31,382 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 11:11:31,632 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-06-05 11:11:31,859 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-06-05 11:11:32,233 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-06-05 11:11:32,518 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-06-05 11:11:32,866 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-05 11:11:33,126 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-06-05 11:11:33,432 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-06-05 11:11:33,690 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 11:11:34,035 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-06-05 11:11:34,312 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 11:11:34,696 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-06-05 11:11:35,204 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-06-05 11:11:35,675 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-06-05 11:11:36,107 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-06-05 11:11:36,500 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 95 [2021-06-05 11:11:38,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:11:38,298 INFO L93 Difference]: Finished difference Result 178102 states and 550345 transitions. [2021-06-05 11:11:38,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-05 11:11:38,299 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:11:38,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:11:38,586 INFO L225 Difference]: With dead ends: 178102 [2021-06-05 11:11:38,586 INFO L226 Difference]: Without dead ends: 178102 [2021-06-05 11:11:38,587 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1788 ImplicationChecksByTransitivity, 14027.4ms TimeCoverageRelationStatistics Valid=3456, Invalid=8100, Unknown=0, NotChecked=0, Total=11556 [2021-06-05 11:11:39,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178102 states. [2021-06-05 11:11:41,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178102 to 119396. [2021-06-05 11:11:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119396 states, 119392 states have (on average 3.0967569016349503) internal successors, (369728), 119395 states have internal predecessors, (369728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:11:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119396 states to 119396 states and 369728 transitions. [2021-06-05 11:11:41,676 INFO L78 Accepts]: Start accepts. Automaton has 119396 states and 369728 transitions. Word has length 95 [2021-06-05 11:11:41,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:11:41,676 INFO L482 AbstractCegarLoop]: Abstraction has 119396 states and 369728 transitions. [2021-06-05 11:11:41,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:11:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 119396 states and 369728 transitions. [2021-06-05 11:11:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:11:41,777 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:11:41,777 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:11:41,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 11:11:41,778 INFO L430 AbstractCegarLoop]: === Iteration 17 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:11:41,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:11:41,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1841246423, now seen corresponding path program 14 times [2021-06-05 11:11:41,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:11:41,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797033454] [2021-06-05 11:11:41,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:11:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:11:42,818 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-06-05 11:11:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:11:43,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:11:43,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797033454] [2021-06-05 11:11:43,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797033454] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:11:43,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:11:43,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:11:43,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652493940] [2021-06-05 11:11:43,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:11:43,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:11:43,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:11:43,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:11:43,034 INFO L87 Difference]: Start difference. First operand 119396 states and 369728 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:11:44,212 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2021-06-05 11:11:44,386 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2021-06-05 11:11:44,563 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 61 [2021-06-05 11:11:44,752 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 11:11:44,915 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-06-05 11:11:45,338 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 11:11:45,794 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:11:46,176 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-06-05 11:11:46,424 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2021-06-05 11:11:46,652 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-06-05 11:11:46,806 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2021-06-05 11:11:46,944 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2021-06-05 11:11:47,171 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-06-05 11:11:47,318 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2021-06-05 11:11:47,570 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-06-05 11:11:47,743 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-05 11:11:47,918 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-06-05 11:11:48,108 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-06-05 11:11:48,326 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-06-05 11:11:48,541 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-06-05 11:11:48,733 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 72 [2021-06-05 11:11:49,036 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-06-05 11:11:49,213 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-06-05 11:11:49,350 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2021-06-05 11:11:49,555 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-05 11:11:49,812 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-06-05 11:11:50,029 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-06-05 11:11:50,195 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-06-05 11:11:50,350 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2021-06-05 11:11:50,591 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-06-05 11:11:50,848 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 11:11:51,064 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2021-06-05 11:11:51,249 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 78 [2021-06-05 11:11:51,495 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-06-05 11:11:51,769 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 11:11:51,970 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-06-05 11:11:52,210 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 11:11:52,454 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 11:11:52,789 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-06-05 11:11:52,983 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-06-05 11:11:53,233 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 11:11:53,501 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-06-05 11:11:53,792 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 11:11:54,003 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-06-05 11:11:54,224 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 11:11:54,500 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-06-05 11:11:54,748 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 11:11:55,043 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 11:11:55,357 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 11:11:55,623 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-06-05 11:11:55,920 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-05 11:11:56,203 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 11:11:56,463 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-06-05 11:11:56,761 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 11:11:57,027 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 11:11:57,374 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-06-05 11:11:57,660 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-06-05 11:11:58,044 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-06-05 11:11:58,510 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-06-05 11:11:58,960 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-06-05 11:11:59,326 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 11:11:59,748 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-06-05 11:12:01,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:12:01,572 INFO L93 Difference]: Finished difference Result 176728 states and 547015 transitions. [2021-06-05 11:12:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-05 11:12:01,572 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:12:01,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:12:02,031 INFO L225 Difference]: With dead ends: 176728 [2021-06-05 11:12:02,031 INFO L226 Difference]: Without dead ends: 176728 [2021-06-05 11:12:02,031 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1847 ImplicationChecksByTransitivity, 15074.2ms TimeCoverageRelationStatistics Valid=3596, Invalid=8394, Unknown=0, NotChecked=0, Total=11990 [2021-06-05 11:12:02,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176728 states. [2021-06-05 11:12:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176728 to 119704. [2021-06-05 11:12:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119704 states, 119700 states have (on average 3.096833751044277) internal successors, (370691), 119703 states have internal predecessors, (370691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119704 states to 119704 states and 370691 transitions. [2021-06-05 11:12:05,135 INFO L78 Accepts]: Start accepts. Automaton has 119704 states and 370691 transitions. Word has length 95 [2021-06-05 11:12:05,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:12:05,135 INFO L482 AbstractCegarLoop]: Abstraction has 119704 states and 370691 transitions. [2021-06-05 11:12:05,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:05,135 INFO L276 IsEmpty]: Start isEmpty. Operand 119704 states and 370691 transitions. [2021-06-05 11:12:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:12:05,235 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:12:05,235 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:12:05,235 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-05 11:12:05,235 INFO L430 AbstractCegarLoop]: === Iteration 18 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:12:05,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:12:05,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1247315705, now seen corresponding path program 15 times [2021-06-05 11:12:05,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:12:05,236 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887418905] [2021-06-05 11:12:05,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:12:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:12:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:12:06,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:12:06,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887418905] [2021-06-05 11:12:06,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887418905] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:12:06,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:12:06,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 11:12:06,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630242108] [2021-06-05 11:12:06,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 11:12:06,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:12:06,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 11:12:06,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 11:12:06,324 INFO L87 Difference]: Start difference. First operand 119704 states and 370691 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:07,716 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 11:12:07,892 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 11:12:08,079 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-06-05 11:12:08,272 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-06-05 11:12:08,475 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 11:12:09,017 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:12:09,239 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-06-05 11:12:09,426 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 11:12:09,821 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-06-05 11:12:10,100 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 11:12:10,329 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 11:12:10,484 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-06-05 11:12:10,626 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 11:12:10,858 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 11:12:11,007 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-06-05 11:12:11,248 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 11:12:11,437 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-06-05 11:12:11,599 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 11:12:11,830 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 11:12:12,016 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 11:12:12,162 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-06-05 11:12:12,392 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-06-05 11:12:12,581 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:12:12,754 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-06-05 11:12:12,894 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 11:12:13,151 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 11:12:13,349 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-05 11:12:13,516 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 11:12:13,674 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-06-05 11:12:13,968 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:12:14,207 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-06-05 11:12:14,391 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-06-05 11:12:14,657 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-06-05 11:12:14,885 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 11:12:15,083 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 11:12:15,374 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 11:12:15,618 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 11:12:15,807 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:12:16,073 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-06-05 11:12:16,350 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-05 11:12:16,578 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 11:12:16,789 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-05 11:12:17,013 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 11:12:17,349 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-06-05 11:12:17,568 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:12:17,896 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-06-05 11:12:18,136 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-06-05 11:12:18,416 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2021-06-05 11:12:18,696 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 11:12:18,942 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 11:12:19,238 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 11:12:19,496 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-06-05 11:12:19,761 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 11:12:20,116 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-06-05 11:12:20,402 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-06-05 11:12:20,782 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-06-05 11:12:21,139 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2021-06-05 11:12:21,499 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-06-05 11:12:21,784 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 11:12:22,166 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 11:12:22,436 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 11:12:22,823 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 102 [2021-06-05 11:12:23,124 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-05 11:12:25,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:12:25,056 INFO L93 Difference]: Finished difference Result 179370 states and 554261 transitions. [2021-06-05 11:12:25,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-06-05 11:12:25,057 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:12:25,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:12:25,364 INFO L225 Difference]: With dead ends: 179370 [2021-06-05 11:12:25,364 INFO L226 Difference]: Without dead ends: 179370 [2021-06-05 11:12:25,365 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1961 ImplicationChecksByTransitivity, 14712.3ms TimeCoverageRelationStatistics Valid=3607, Invalid=8603, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 11:12:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179370 states. [2021-06-05 11:12:28,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179370 to 119284. [2021-06-05 11:12:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119284 states, 119280 states have (on average 3.0966297786720323) internal successors, (369366), 119283 states have internal predecessors, (369366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119284 states to 119284 states and 369366 transitions. [2021-06-05 11:12:28,835 INFO L78 Accepts]: Start accepts. Automaton has 119284 states and 369366 transitions. Word has length 95 [2021-06-05 11:12:28,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:12:28,835 INFO L482 AbstractCegarLoop]: Abstraction has 119284 states and 369366 transitions. [2021-06-05 11:12:28,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand 119284 states and 369366 transitions. [2021-06-05 11:12:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:12:28,929 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:12:28,930 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:12:28,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 11:12:28,930 INFO L430 AbstractCegarLoop]: === Iteration 19 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:12:28,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:12:28,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1515761877, now seen corresponding path program 16 times [2021-06-05 11:12:28,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:12:28,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298500634] [2021-06-05 11:12:28,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:12:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:12:29,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:12:29,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:12:29,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298500634] [2021-06-05 11:12:29,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298500634] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:12:29,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:12:29,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:12:29,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708471614] [2021-06-05 11:12:29,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:12:29,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:12:29,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:12:29,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:12:29,732 INFO L87 Difference]: Start difference. First operand 119284 states and 369366 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:30,911 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2021-06-05 11:12:31,111 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-06-05 11:12:31,310 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-06-05 11:12:31,538 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-06-05 11:12:31,910 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 81 [2021-06-05 11:12:32,141 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-06-05 11:12:32,443 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-06-05 11:12:32,604 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-06-05 11:12:32,815 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-06-05 11:12:33,041 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-06-05 11:12:33,362 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-05 11:12:33,593 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-06-05 11:12:33,781 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-05 11:12:33,999 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-06-05 11:12:34,197 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-06-05 11:12:34,379 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 11:12:34,623 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-06-05 11:12:34,826 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-06-05 11:12:35,000 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-06-05 11:12:35,260 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-06-05 11:12:35,477 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-06-05 11:12:35,687 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-06-05 11:12:35,931 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-06-05 11:12:36,162 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-06-05 11:12:36,368 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-05 11:12:36,645 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-06-05 11:12:36,895 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-06-05 11:12:37,095 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-06-05 11:12:37,351 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 11:12:37,603 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 11:12:37,854 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-06-05 11:12:38,094 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-06-05 11:12:38,405 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-06-05 11:12:38,632 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-06-05 11:12:38,934 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-05 11:12:39,183 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-06-05 11:12:39,453 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-06-05 11:12:39,700 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 11:12:39,991 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-06-05 11:12:40,260 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 11:12:40,612 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-06-05 11:12:40,962 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-06-05 11:12:41,341 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-06-05 11:12:41,721 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-06-05 11:12:42,109 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 95 [2021-06-05 11:12:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:12:43,457 INFO L93 Difference]: Finished difference Result 147589 states and 456026 transitions. [2021-06-05 11:12:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-05 11:12:43,458 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:12:43,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:12:43,688 INFO L225 Difference]: With dead ends: 147589 [2021-06-05 11:12:43,688 INFO L226 Difference]: Without dead ends: 147589 [2021-06-05 11:12:43,688 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 11231.5ms TimeCoverageRelationStatistics Valid=2408, Invalid=5602, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 11:12:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147589 states. [2021-06-05 11:12:46,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147589 to 117184. [2021-06-05 11:12:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117184 states, 117180 states have (on average 3.0930278204471753) internal successors, (362441), 117183 states have internal predecessors, (362441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117184 states to 117184 states and 362441 transitions. [2021-06-05 11:12:46,642 INFO L78 Accepts]: Start accepts. Automaton has 117184 states and 362441 transitions. Word has length 95 [2021-06-05 11:12:46,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:12:46,642 INFO L482 AbstractCegarLoop]: Abstraction has 117184 states and 362441 transitions. [2021-06-05 11:12:46,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 117184 states and 362441 transitions. [2021-06-05 11:12:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:12:46,743 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:12:46,744 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:12:46,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-05 11:12:46,744 INFO L430 AbstractCegarLoop]: === Iteration 20 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:12:46,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:12:46,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1064388825, now seen corresponding path program 17 times [2021-06-05 11:12:46,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:12:46,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765302444] [2021-06-05 11:12:46,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:12:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:12:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:12:48,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:12:48,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765302444] [2021-06-05 11:12:48,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765302444] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:12:48,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:12:48,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:12:48,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066191156] [2021-06-05 11:12:48,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:12:48,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:12:48,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:12:48,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:12:48,080 INFO L87 Difference]: Start difference. First operand 117184 states and 362441 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:12:49,342 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-06-05 11:12:49,518 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-06-05 11:12:49,705 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-06-05 11:12:49,865 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-06-05 11:12:50,129 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-06-05 11:12:50,785 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-05 11:12:51,043 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2021-06-05 11:12:51,382 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2021-06-05 11:12:51,532 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2021-06-05 11:12:51,749 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-06-05 11:12:51,992 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-05 11:12:52,158 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2021-06-05 11:12:52,341 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-06-05 11:12:52,556 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 11:12:52,735 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 78 [2021-06-05 11:12:52,978 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:12:53,165 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-06-05 11:12:53,365 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 11:12:53,614 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-06-05 11:12:53,808 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 11:12:53,970 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-06-05 11:12:54,187 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-06-05 11:12:54,436 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-06-05 11:12:54,649 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-06-05 11:12:54,828 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-06-05 11:12:55,062 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-06-05 11:12:55,334 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-06-05 11:12:55,549 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 80 [2021-06-05 11:12:55,784 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-06-05 11:12:56,022 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-06-05 11:12:56,323 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-05 11:12:56,510 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:12:56,754 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-05 11:12:57,010 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-06-05 11:12:57,291 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2021-06-05 11:12:57,498 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-06-05 11:12:57,712 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 11:12:58,005 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-06-05 11:12:58,246 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-06-05 11:12:58,519 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-06-05 11:12:58,826 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-06-05 11:12:59,055 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-06-05 11:12:59,341 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-06-05 11:12:59,617 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 11:12:59,867 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 11:13:00,157 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 11:13:00,463 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 11:13:00,789 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-06-05 11:13:01,064 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-06-05 11:13:01,417 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 11:13:01,816 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-05 11:13:02,241 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-06-05 11:13:02,596 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-06-05 11:13:03,069 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 11:13:04,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:13:04,831 INFO L93 Difference]: Finished difference Result 171172 states and 530129 transitions. [2021-06-05 11:13:04,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-05 11:13:04,831 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:13:04,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:13:05,108 INFO L225 Difference]: With dead ends: 171172 [2021-06-05 11:13:05,108 INFO L226 Difference]: Without dead ends: 171172 [2021-06-05 11:13:05,109 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1476 ImplicationChecksByTransitivity, 13366.7ms TimeCoverageRelationStatistics Valid=3062, Invalid=7038, Unknown=0, NotChecked=0, Total=10100 [2021-06-05 11:13:06,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171172 states. [2021-06-05 11:13:08,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171172 to 117492. [2021-06-05 11:13:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117492 states, 117488 states have (on average 3.093115892686913) internal successors, (363404), 117491 states have internal predecessors, (363404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117492 states to 117492 states and 363404 transitions. [2021-06-05 11:13:08,477 INFO L78 Accepts]: Start accepts. Automaton has 117492 states and 363404 transitions. Word has length 95 [2021-06-05 11:13:08,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:13:08,478 INFO L482 AbstractCegarLoop]: Abstraction has 117492 states and 363404 transitions. [2021-06-05 11:13:08,478 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 117492 states and 363404 transitions. [2021-06-05 11:13:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:13:08,576 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:13:08,576 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:13:08,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 11:13:08,576 INFO L430 AbstractCegarLoop]: === Iteration 21 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:13:08,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:13:08,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1658319543, now seen corresponding path program 18 times [2021-06-05 11:13:08,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:13:08,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209355667] [2021-06-05 11:13:08,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:13:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:13:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:13:09,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:13:09,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209355667] [2021-06-05 11:13:09,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209355667] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:13:09,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:13:09,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 11:13:09,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187437156] [2021-06-05 11:13:09,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 11:13:09,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:13:09,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 11:13:09,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 11:13:09,195 INFO L87 Difference]: Start difference. First operand 117492 states and 363404 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:10,332 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2021-06-05 11:13:10,794 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 11:13:10,962 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 11:13:11,144 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-06-05 11:13:11,333 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-06-05 11:13:11,532 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 11:13:11,900 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:13:12,119 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-06-05 11:13:12,305 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 11:13:12,555 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-06-05 11:13:13,072 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 11:13:13,223 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-06-05 11:13:13,445 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 11:13:13,675 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 11:13:13,843 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-06-05 11:13:14,067 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 11:13:14,245 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 11:13:14,463 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-06-05 11:13:14,646 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:13:14,814 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-06-05 11:13:15,060 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 11:13:15,251 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-05 11:13:15,432 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 11:13:15,690 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:13:15,898 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-06-05 11:13:16,075 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-06-05 11:13:16,325 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-06-05 11:13:16,545 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 11:13:16,738 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 11:13:17,019 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 11:13:17,259 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 11:13:17,443 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:13:17,700 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-06-05 11:13:17,971 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-05 11:13:18,192 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 11:13:18,426 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-05 11:13:18,635 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 11:13:18,942 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-06-05 11:13:19,156 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:13:19,457 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-06-05 11:13:19,691 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-06-05 11:13:19,957 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2021-06-05 11:13:20,191 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 11:13:20,468 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 11:13:20,742 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 11:13:20,993 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-06-05 11:13:21,251 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 11:13:21,567 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-06-05 11:13:21,846 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-06-05 11:13:22,197 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-06-05 11:13:22,500 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2021-06-05 11:13:22,883 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-06-05 11:13:23,161 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 11:13:23,523 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 11:13:23,788 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 11:13:24,154 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 102 [2021-06-05 11:13:24,435 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-05 11:13:26,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:13:26,213 INFO L93 Difference]: Finished difference Result 173814 states and 537375 transitions. [2021-06-05 11:13:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-05 11:13:26,213 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:13:26,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:13:26,498 INFO L225 Difference]: With dead ends: 173814 [2021-06-05 11:13:26,498 INFO L226 Difference]: Without dead ends: 173814 [2021-06-05 11:13:26,499 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1572 ImplicationChecksByTransitivity, 13104.2ms TimeCoverageRelationStatistics Valid=3073, Invalid=7229, Unknown=0, NotChecked=0, Total=10302 [2021-06-05 11:13:27,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173814 states. [2021-06-05 11:13:29,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173814 to 117100. [2021-06-05 11:13:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117100 states, 117096 states have (on average 3.092881054860969) internal successors, (362164), 117099 states have internal predecessors, (362164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117100 states to 117100 states and 362164 transitions. [2021-06-05 11:13:29,638 INFO L78 Accepts]: Start accepts. Automaton has 117100 states and 362164 transitions. Word has length 95 [2021-06-05 11:13:29,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:13:29,638 INFO L482 AbstractCegarLoop]: Abstraction has 117100 states and 362164 transitions. [2021-06-05 11:13:29,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 117100 states and 362164 transitions. [2021-06-05 11:13:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:13:30,250 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:13:30,250 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:13:30,250 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-05 11:13:30,250 INFO L430 AbstractCegarLoop]: === Iteration 22 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:13:30,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:13:30,251 INFO L82 PathProgramCache]: Analyzing trace with hash 75426557, now seen corresponding path program 19 times [2021-06-05 11:13:30,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:13:30,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177936712] [2021-06-05 11:13:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:13:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:13:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:13:31,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:13:31,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177936712] [2021-06-05 11:13:31,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177936712] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:13:31,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:13:31,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:13:31,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843063660] [2021-06-05 11:13:31,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:13:31,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:13:31,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:13:31,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:13:31,172 INFO L87 Difference]: Start difference. First operand 117100 states and 362164 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:32,334 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-06-05 11:13:32,499 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-06-05 11:13:32,973 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-06-05 11:13:33,180 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-06-05 11:13:33,503 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-06-05 11:13:34,102 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-05 11:13:34,651 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2021-06-05 11:13:34,934 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-06-05 11:13:35,101 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-05 11:13:35,310 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 11:13:35,544 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 11:13:35,728 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:13:36,022 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-06-05 11:13:36,215 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-06-05 11:13:36,407 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 11:13:36,662 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-06-05 11:13:36,865 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-06-05 11:13:37,069 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-06-05 11:13:37,322 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-06-05 11:13:37,548 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-06-05 11:13:37,763 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-06-05 11:13:37,957 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 80 [2021-06-05 11:13:38,222 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-05 11:13:38,498 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-06-05 11:13:38,731 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-05 11:13:38,919 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:13:39,154 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 11:13:39,407 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-06-05 11:13:39,635 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-06-05 11:13:39,865 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2021-06-05 11:13:40,068 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-06-05 11:13:40,374 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-06-05 11:13:40,593 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-06-05 11:13:40,858 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-06-05 11:13:41,140 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 11:13:41,376 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 11:13:41,608 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-06-05 11:13:41,864 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 11:13:42,108 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 11:13:42,398 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-06-05 11:13:42,659 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-06-05 11:13:42,984 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 11:13:43,380 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-05 11:13:43,709 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-06-05 11:13:44,063 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-06-05 11:13:44,438 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 11:13:46,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:13:46,067 INFO L93 Difference]: Finished difference Result 154360 states and 478261 transitions. [2021-06-05 11:13:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 11:13:46,068 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:13:46,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:13:46,310 INFO L225 Difference]: With dead ends: 154360 [2021-06-05 11:13:46,310 INFO L226 Difference]: Without dead ends: 154360 [2021-06-05 11:13:46,310 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1268 ImplicationChecksByTransitivity, 11616.2ms TimeCoverageRelationStatistics Valid=2548, Invalid=5824, Unknown=0, NotChecked=0, Total=8372 [2021-06-05 11:13:47,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154360 states. [2021-06-05 11:13:48,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154360 to 117352. [2021-06-05 11:13:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117352 states, 117348 states have (on average 3.0929968981150084) internal successors, (362957), 117351 states have internal predecessors, (362957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117352 states to 117352 states and 362957 transitions. [2021-06-05 11:13:49,303 INFO L78 Accepts]: Start accepts. Automaton has 117352 states and 362957 transitions. Word has length 95 [2021-06-05 11:13:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:13:49,304 INFO L482 AbstractCegarLoop]: Abstraction has 117352 states and 362957 transitions. [2021-06-05 11:13:49,304 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 117352 states and 362957 transitions. [2021-06-05 11:13:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:13:49,408 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:13:49,408 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:13:49,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-05 11:13:49,408 INFO L430 AbstractCegarLoop]: === Iteration 23 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:13:49,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:13:49,408 INFO L82 PathProgramCache]: Analyzing trace with hash -518504161, now seen corresponding path program 20 times [2021-06-05 11:13:49,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:13:49,408 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143268245] [2021-06-05 11:13:49,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:13:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:13:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:13:50,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:13:50,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143268245] [2021-06-05 11:13:50,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143268245] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:13:50,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:13:50,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 11:13:50,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966122293] [2021-06-05 11:13:50,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 11:13:50,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:13:50,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 11:13:50,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 11:13:50,088 INFO L87 Difference]: Start difference. First operand 117352 states and 362957 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:13:50,692 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-06-05 11:13:51,618 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 11:13:51,775 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 11:13:51,952 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-06-05 11:13:52,135 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-06-05 11:13:52,332 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 11:13:52,695 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:13:52,914 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-06-05 11:13:53,104 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 11:13:53,731 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 11:13:54,003 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 11:13:54,222 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 11:13:54,444 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-06-05 11:13:54,629 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:13:54,868 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 11:13:55,061 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-05 11:13:55,308 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:13:55,513 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-06-05 11:13:55,748 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-06-05 11:13:55,983 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 11:13:56,176 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 11:13:56,432 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 11:13:56,662 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 11:13:56,850 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:13:57,093 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-06-05 11:13:57,329 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-05 11:13:57,545 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 11:13:57,748 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 11:13:57,949 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-05 11:13:58,240 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-06-05 11:13:58,472 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:13:58,750 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-06-05 11:13:58,976 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-06-05 11:13:59,227 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2021-06-05 11:13:59,531 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 11:13:59,764 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 11:14:00,027 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 11:14:00,270 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-06-05 11:14:00,514 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 11:14:00,815 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-06-05 11:14:01,117 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-06-05 11:14:01,435 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-06-05 11:14:01,725 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2021-06-05 11:14:02,019 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-06-05 11:14:02,286 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 11:14:02,614 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 11:14:02,869 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 11:14:03,224 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 102 [2021-06-05 11:14:03,513 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-05 11:14:05,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:14:05,127 INFO L93 Difference]: Finished difference Result 155238 states and 480152 transitions. [2021-06-05 11:14:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-05 11:14:05,127 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:14:05,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:14:05,394 INFO L225 Difference]: With dead ends: 155238 [2021-06-05 11:14:05,394 INFO L226 Difference]: Without dead ends: 155238 [2021-06-05 11:14:05,394 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1241 ImplicationChecksByTransitivity, 11694.5ms TimeCoverageRelationStatistics Valid=2559, Invalid=5997, Unknown=0, NotChecked=0, Total=8556 [2021-06-05 11:14:06,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155238 states. [2021-06-05 11:14:07,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155238 to 115644. [2021-06-05 11:14:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115644 states, 115640 states have (on average 3.0936008301625737) internal successors, (357744), 115643 states have internal predecessors, (357744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115644 states to 115644 states and 357744 transitions. [2021-06-05 11:14:08,363 INFO L78 Accepts]: Start accepts. Automaton has 115644 states and 357744 transitions. Word has length 95 [2021-06-05 11:14:08,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:14:08,364 INFO L482 AbstractCegarLoop]: Abstraction has 115644 states and 357744 transitions. [2021-06-05 11:14:08,364 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 115644 states and 357744 transitions. [2021-06-05 11:14:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:14:08,457 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:14:08,458 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:14:08,458 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-05 11:14:08,458 INFO L430 AbstractCegarLoop]: === Iteration 24 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:14:08,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:14:08,458 INFO L82 PathProgramCache]: Analyzing trace with hash -922206625, now seen corresponding path program 21 times [2021-06-05 11:14:08,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:14:08,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190661070] [2021-06-05 11:14:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:14:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:14:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:14:09,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:14:09,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190661070] [2021-06-05 11:14:09,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190661070] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:14:09,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:14:09,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:14:09,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404289014] [2021-06-05 11:14:09,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:14:09,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:14:09,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:14:09,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:14:09,965 INFO L87 Difference]: Start difference. First operand 115644 states and 357744 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:10,932 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2021-06-05 11:14:11,091 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-06-05 11:14:11,266 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-06-05 11:14:11,499 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-06-05 11:14:11,901 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-05 11:14:12,667 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-06-05 11:14:12,918 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 11:14:13,154 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-06-05 11:14:13,402 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-06-05 11:14:13,651 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-06-05 11:14:13,869 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-06-05 11:14:14,126 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-05 11:14:14,357 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-06-05 11:14:14,585 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 11:14:14,850 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-06-05 11:14:15,068 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-06-05 11:14:15,366 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-06-05 11:14:15,578 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-06-05 11:14:15,851 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 11:14:16,079 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 11:14:16,326 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 11:14:16,566 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 11:14:16,843 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-06-05 11:14:17,097 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-06-05 11:14:17,406 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 11:14:17,718 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-05 11:14:18,043 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-06-05 11:14:18,374 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-06-05 11:14:18,762 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 11:14:20,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:14:20,139 INFO L93 Difference]: Finished difference Result 136160 states and 421359 transitions. [2021-06-05 11:14:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 11:14:20,140 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:14:20,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:14:20,345 INFO L225 Difference]: With dead ends: 136160 [2021-06-05 11:14:20,345 INFO L226 Difference]: Without dead ends: 136160 [2021-06-05 11:14:20,346 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 8267.3ms TimeCoverageRelationStatistics Valid=1580, Invalid=3822, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 11:14:21,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136160 states. [2021-06-05 11:14:22,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136160 to 109344. [2021-06-05 11:14:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109344 states, 109340 states have (on average 3.0905341137735505) internal successors, (337919), 109343 states have internal predecessors, (337919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109344 states to 109344 states and 337919 transitions. [2021-06-05 11:14:23,146 INFO L78 Accepts]: Start accepts. Automaton has 109344 states and 337919 transitions. Word has length 95 [2021-06-05 11:14:23,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:14:23,146 INFO L482 AbstractCegarLoop]: Abstraction has 109344 states and 337919 transitions. [2021-06-05 11:14:23,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 109344 states and 337919 transitions. [2021-06-05 11:14:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:14:23,245 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:14:23,245 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:14:23,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-05 11:14:23,245 INFO L430 AbstractCegarLoop]: === Iteration 25 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:14:23,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:14:23,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1516137343, now seen corresponding path program 22 times [2021-06-05 11:14:23,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:14:23,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882621406] [2021-06-05 11:14:23,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:14:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:14:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:14:23,825 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:14:23,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882621406] [2021-06-05 11:14:23,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882621406] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:14:23,826 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:14:23,826 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 11:14:23,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326098473] [2021-06-05 11:14:23,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 11:14:23,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:14:23,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 11:14:23,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 11:14:23,827 INFO L87 Difference]: Start difference. First operand 109344 states and 337919 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:25,178 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2021-06-05 11:14:25,350 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 11:14:25,525 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-06-05 11:14:25,707 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-06-05 11:14:25,900 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-06-05 11:14:26,269 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 11:14:26,485 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-06-05 11:14:26,672 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 11:14:27,264 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 11:14:27,702 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 11:14:27,933 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 11:14:28,177 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:14:28,418 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-06-05 11:14:28,627 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 11:14:28,883 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-06-05 11:14:29,106 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 11:14:29,344 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-06-05 11:14:29,578 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2021-06-05 11:14:29,787 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 11:14:29,985 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 11:14:30,296 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-06-05 11:14:30,497 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 11:14:30,766 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 90 [2021-06-05 11:14:30,985 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-06-05 11:14:31,224 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2021-06-05 11:14:31,452 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-06-05 11:14:31,686 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 11:14:31,946 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 11:14:32,187 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-06-05 11:14:32,427 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 11:14:32,703 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-06-05 11:14:32,994 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-06-05 11:14:33,299 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-06-05 11:14:33,583 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2021-06-05 11:14:33,884 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-06-05 11:14:34,145 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 11:14:34,460 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 11:14:34,712 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 11:14:35,041 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 102 [2021-06-05 11:14:35,344 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-05 11:14:36,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:14:36,841 INFO L93 Difference]: Finished difference Result 140286 states and 433950 transitions. [2021-06-05 11:14:36,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-05 11:14:36,842 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:14:36,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:14:37,084 INFO L225 Difference]: With dead ends: 140286 [2021-06-05 11:14:37,084 INFO L226 Difference]: Without dead ends: 140286 [2021-06-05 11:14:37,085 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 9607.1ms TimeCoverageRelationStatistics Valid=2065, Invalid=4907, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 11:14:38,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140286 states. [2021-06-05 11:14:39,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140286 to 109092. [2021-06-05 11:14:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109092 states, 109088 states have (on average 3.090404077442065) internal successors, (337126), 109091 states have internal predecessors, (337126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109092 states to 109092 states and 337126 transitions. [2021-06-05 11:14:39,861 INFO L78 Accepts]: Start accepts. Automaton has 109092 states and 337126 transitions. Word has length 95 [2021-06-05 11:14:39,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:14:39,861 INFO L482 AbstractCegarLoop]: Abstraction has 109092 states and 337126 transitions. [2021-06-05 11:14:39,861 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 109092 states and 337126 transitions. [2021-06-05 11:14:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 11:14:39,950 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:14:39,950 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:14:39,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-05 11:14:39,950 INFO L430 AbstractCegarLoop]: === Iteration 26 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:14:39,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:14:39,950 INFO L82 PathProgramCache]: Analyzing trace with hash 330160261, now seen corresponding path program 23 times [2021-06-05 11:14:39,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:14:39,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756085031] [2021-06-05 11:14:39,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:14:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:14:40,653 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2021-06-05 11:14:41,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:14:41,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:14:41,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756085031] [2021-06-05 11:14:41,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756085031] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:14:41,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:14:41,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:14:41,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245948380] [2021-06-05 11:14:41,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:14:41,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:14:41,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:14:41,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:14:41,248 INFO L87 Difference]: Start difference. First operand 109092 states and 337126 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:42,230 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 58 [2021-06-05 11:14:42,410 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 63 [2021-06-05 11:14:42,723 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-06-05 11:14:42,927 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-05 11:14:43,161 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 11:14:43,604 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-06-05 11:14:44,322 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-06-05 11:14:44,519 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-06-05 11:14:44,773 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 11:14:45,052 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-06-05 11:14:45,265 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 11:14:45,515 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-06-05 11:14:45,726 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-06-05 11:14:45,992 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2021-06-05 11:14:46,251 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 11:14:46,503 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-06-05 11:14:46,742 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-06-05 11:14:46,985 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-06-05 11:14:47,255 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 11:14:47,516 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 93 [2021-06-05 11:14:47,790 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 11:14:48,066 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-06-05 11:14:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:14:49,116 INFO L93 Difference]: Finished difference Result 126780 states and 391288 transitions. [2021-06-05 11:14:49,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 11:14:49,117 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-06-05 11:14:49,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:14:49,319 INFO L225 Difference]: With dead ends: 126780 [2021-06-05 11:14:49,319 INFO L226 Difference]: Without dead ends: 126780 [2021-06-05 11:14:49,320 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 6477.1ms TimeCoverageRelationStatistics Valid=1201, Invalid=3221, Unknown=0, NotChecked=0, Total=4422 [2021-06-05 11:14:50,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126780 states. [2021-06-05 11:14:51,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126780 to 108448. [2021-06-05 11:14:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108448 states, 108444 states have (on average 3.090728855446129) internal successors, (335171), 108447 states have internal predecessors, (335171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108448 states to 108448 states and 335171 transitions. [2021-06-05 11:14:52,057 INFO L78 Accepts]: Start accepts. Automaton has 108448 states and 335171 transitions. Word has length 95 [2021-06-05 11:14:52,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:14:52,057 INFO L482 AbstractCegarLoop]: Abstraction has 108448 states and 335171 transitions. [2021-06-05 11:14:52,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 108448 states and 335171 transitions. [2021-06-05 11:14:52,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-06-05 11:14:52,145 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:14:52,145 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:14:52,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-05 11:14:52,145 INFO L430 AbstractCegarLoop]: === Iteration 27 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:14:52,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:14:52,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1276307503, now seen corresponding path program 1 times [2021-06-05 11:14:52,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:14:52,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829856493] [2021-06-05 11:14:52,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:14:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:14:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:14:52,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:14:52,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829856493] [2021-06-05 11:14:52,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829856493] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:14:52,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:14:52,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 11:14:52,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887950279] [2021-06-05 11:14:52,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 11:14:52,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:14:52,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 11:14:52,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-05 11:14:52,865 INFO L87 Difference]: Start difference. First operand 108448 states and 335171 transitions. Second operand has 31 states, 31 states have (on average 3.096774193548387) internal successors, (96), 31 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:14:54,014 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-06-05 11:14:55,051 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-06-05 11:14:55,253 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2021-06-05 11:14:55,390 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 58 [2021-06-05 11:14:55,573 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-06-05 11:14:55,785 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2021-06-05 11:14:55,932 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2021-06-05 11:14:56,224 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-06-05 11:14:56,618 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-06-05 11:14:57,194 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-06-05 11:14:57,528 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-05 11:14:57,713 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 11:14:58,188 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-06-05 11:14:58,424 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 11:14:59,045 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-06-05 11:14:59,409 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2021-06-05 11:14:59,662 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-06-05 11:15:00,122 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-06-05 11:15:00,286 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2021-06-05 11:15:00,438 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-06-05 11:15:00,578 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 11:15:00,941 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2021-06-05 11:15:01,104 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-06-05 11:15:01,257 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 74 [2021-06-05 11:15:01,656 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 11:15:01,845 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-06-05 11:15:02,028 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 78 [2021-06-05 11:15:02,184 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 72 [2021-06-05 11:15:02,673 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 11:15:02,881 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-06-05 11:15:03,047 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-06-05 11:15:03,184 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2021-06-05 11:15:03,579 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-06-05 11:15:03,786 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 11:15:03,981 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 80 [2021-06-05 11:15:04,138 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-06-05 11:15:04,293 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2021-06-05 11:15:04,720 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 11:15:04,958 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-06-05 11:15:05,144 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2021-06-05 11:15:05,322 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-06-05 11:15:05,659 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2021-06-05 11:15:05,921 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 11:15:06,167 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-06-05 11:15:06,379 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-06-05 11:15:06,703 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 11:15:06,962 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 11:15:07,216 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-05 11:15:07,457 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-06-05 11:15:07,726 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-06-05 11:15:08,001 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-06-05 11:15:08,216 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 11:15:08,441 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2021-06-05 11:15:08,691 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 87 [2021-06-05 11:15:08,966 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-06-05 11:15:09,219 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-06-05 11:15:09,456 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-06-05 11:15:09,721 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-05 11:15:09,895 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-06-05 11:15:10,265 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 93 [2021-06-05 11:15:10,506 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 11:15:10,723 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2021-06-05 11:15:11,050 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 91 [2021-06-05 11:15:11,322 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 88 [2021-06-05 11:15:11,649 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-06-05 11:15:11,918 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-06-05 11:15:12,187 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 11:15:12,381 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-06-05 11:15:12,701 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-06-05 11:15:13,029 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-06-05 11:15:13,326 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 11:15:13,705 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-06-05 11:15:14,038 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 92 [2021-06-05 11:15:14,228 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 11:15:14,619 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-06-05 11:15:14,996 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-06-05 11:15:15,419 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 96 [2021-06-05 11:15:15,777 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 93 [2021-06-05 11:15:16,164 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-06-05 11:15:16,468 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 11:15:16,683 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-05 11:15:17,140 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 98 [2021-06-05 11:15:17,463 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-06-05 11:15:19,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:15:19,995 INFO L93 Difference]: Finished difference Result 161347 states and 498162 transitions. [2021-06-05 11:15:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-06-05 11:15:19,995 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.096774193548387) internal successors, (96), 31 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-06-05 11:15:19,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:15:20,265 INFO L225 Difference]: With dead ends: 161347 [2021-06-05 11:15:20,265 INFO L226 Difference]: Without dead ends: 161347 [2021-06-05 11:15:20,266 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4871 ImplicationChecksByTransitivity, 20997.3ms TimeCoverageRelationStatistics Valid=6124, Invalid=17438, Unknown=0, NotChecked=0, Total=23562 [2021-06-05 11:15:21,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161347 states. [2021-06-05 11:15:22,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161347 to 108448. [2021-06-05 11:15:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108448 states, 108444 states have (on average 3.090728855446129) internal successors, (335171), 108447 states have internal predecessors, (335171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108448 states to 108448 states and 335171 transitions. [2021-06-05 11:15:23,114 INFO L78 Accepts]: Start accepts. Automaton has 108448 states and 335171 transitions. Word has length 96 [2021-06-05 11:15:23,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:15:23,114 INFO L482 AbstractCegarLoop]: Abstraction has 108448 states and 335171 transitions. [2021-06-05 11:15:23,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.096774193548387) internal successors, (96), 31 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 108448 states and 335171 transitions. [2021-06-05 11:15:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-06-05 11:15:23,214 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:15:23,215 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:15:23,215 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-05 11:15:23,215 INFO L430 AbstractCegarLoop]: === Iteration 28 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:15:23,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:15:23,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1842383046, now seen corresponding path program 1 times [2021-06-05 11:15:23,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:15:23,215 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114415931] [2021-06-05 11:15:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:15:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:15:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:15:24,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:15:24,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114415931] [2021-06-05 11:15:24,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114415931] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:15:24,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:15:24,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 11:15:24,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773054157] [2021-06-05 11:15:24,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 11:15:24,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:15:24,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 11:15:24,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 11:15:24,743 INFO L87 Difference]: Start difference. First operand 108448 states and 335171 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:26,049 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2021-06-05 11:15:26,311 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-06-05 11:15:26,825 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-05 11:15:27,081 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-06-05 11:15:27,342 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 11:15:27,943 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-06-05 11:15:28,258 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-06-05 11:15:28,538 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-06-05 11:15:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:15:33,991 INFO L93 Difference]: Finished difference Result 223380 states and 691308 transitions. [2021-06-05 11:15:33,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 11:15:33,991 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-06-05 11:15:33,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:15:34,406 INFO L225 Difference]: With dead ends: 223380 [2021-06-05 11:15:34,406 INFO L226 Difference]: Without dead ends: 223380 [2021-06-05 11:15:34,407 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1190 ImplicationChecksByTransitivity, 5155.0ms TimeCoverageRelationStatistics Valid=1165, Invalid=5477, Unknown=0, NotChecked=0, Total=6642 [2021-06-05 11:15:35,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223380 states. [2021-06-05 11:15:38,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223380 to 154689. [2021-06-05 11:15:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154689 states, 154685 states have (on average 3.0908103565310148) internal successors, (478102), 154688 states have internal predecessors, (478102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154689 states to 154689 states and 478102 transitions. [2021-06-05 11:15:38,565 INFO L78 Accepts]: Start accepts. Automaton has 154689 states and 478102 transitions. Word has length 98 [2021-06-05 11:15:38,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:15:38,565 INFO L482 AbstractCegarLoop]: Abstraction has 154689 states and 478102 transitions. [2021-06-05 11:15:38,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 154689 states and 478102 transitions. [2021-06-05 11:15:38,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-06-05 11:15:38,724 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:15:38,724 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:15:38,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-05 11:15:38,724 INFO L430 AbstractCegarLoop]: === Iteration 29 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:15:38,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:15:38,725 INFO L82 PathProgramCache]: Analyzing trace with hash 226343960, now seen corresponding path program 2 times [2021-06-05 11:15:38,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:15:38,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464881444] [2021-06-05 11:15:38,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:15:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:15:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:15:40,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:15:40,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464881444] [2021-06-05 11:15:40,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464881444] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:15:40,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:15:40,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 11:15:40,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248408685] [2021-06-05 11:15:40,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 11:15:40,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:15:40,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 11:15:40,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 11:15:40,483 INFO L87 Difference]: Start difference. First operand 154689 states and 478102 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:41,761 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2021-06-05 11:15:42,031 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-06-05 11:15:42,616 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-05 11:15:42,873 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-06-05 11:15:43,142 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-06-05 11:15:43,725 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-06-05 11:15:44,025 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-06-05 11:15:44,292 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-06-05 11:15:47,984 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-06-05 11:15:49,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:15:49,952 INFO L93 Difference]: Finished difference Result 286461 states and 886209 transitions. [2021-06-05 11:15:49,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 11:15:49,952 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-06-05 11:15:49,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:15:50,757 INFO L225 Difference]: With dead ends: 286461 [2021-06-05 11:15:50,757 INFO L226 Difference]: Without dead ends: 286461 [2021-06-05 11:15:50,757 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 5454.4ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-06-05 11:15:51,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286461 states. [2021-06-05 11:15:54,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286461 to 153989. [2021-06-05 11:15:54,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153989 states, 153985 states have (on average 3.0910608176121053) internal successors, (475977), 153988 states have internal predecessors, (475977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153989 states to 153989 states and 475977 transitions. [2021-06-05 11:15:55,366 INFO L78 Accepts]: Start accepts. Automaton has 153989 states and 475977 transitions. Word has length 98 [2021-06-05 11:15:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:15:55,366 INFO L482 AbstractCegarLoop]: Abstraction has 153989 states and 475977 transitions. [2021-06-05 11:15:55,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 153989 states and 475977 transitions. [2021-06-05 11:15:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-06-05 11:15:55,517 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:15:55,517 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:15:55,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 11:15:55,518 INFO L430 AbstractCegarLoop]: === Iteration 30 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:15:55,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:15:55,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1724611550, now seen corresponding path program 3 times [2021-06-05 11:15:55,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:15:55,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371658243] [2021-06-05 11:15:55,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:15:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:15:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:15:56,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:15:56,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371658243] [2021-06-05 11:15:56,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371658243] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:15:56,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:15:56,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 11:15:56,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077525830] [2021-06-05 11:15:56,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 11:15:56,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:15:56,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 11:15:56,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 11:15:56,476 INFO L87 Difference]: Start difference. First operand 153989 states and 475977 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:15:57,768 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2021-06-05 11:15:58,221 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-06-05 11:15:58,488 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-06-05 11:15:58,764 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-05 11:15:59,021 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-06-05 11:15:59,285 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:16:00,032 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 11:16:00,424 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 11:16:00,689 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-06-05 11:16:06,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:16:06,472 INFO L93 Difference]: Finished difference Result 285061 states and 881959 transitions. [2021-06-05 11:16:06,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 11:16:06,472 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-06-05 11:16:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:16:07,029 INFO L225 Difference]: With dead ends: 285061 [2021-06-05 11:16:07,030 INFO L226 Difference]: Without dead ends: 285061 [2021-06-05 11:16:07,030 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 5403.5ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-06-05 11:16:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285061 states. [2021-06-05 11:16:11,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285061 to 153289. [2021-06-05 11:16:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153289 states, 153285 states have (on average 3.0913135662328344) internal successors, (473852), 153288 states have internal predecessors, (473852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153289 states to 153289 states and 473852 transitions. [2021-06-05 11:16:11,713 INFO L78 Accepts]: Start accepts. Automaton has 153289 states and 473852 transitions. Word has length 98 [2021-06-05 11:16:11,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:16:11,713 INFO L482 AbstractCegarLoop]: Abstraction has 153289 states and 473852 transitions. [2021-06-05 11:16:11,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:11,713 INFO L276 IsEmpty]: Start isEmpty. Operand 153289 states and 473852 transitions. [2021-06-05 11:16:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-06-05 11:16:11,863 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:16:11,864 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:16:11,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 11:16:11,864 INFO L430 AbstractCegarLoop]: === Iteration 31 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:16:11,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:16:11,864 INFO L82 PathProgramCache]: Analyzing trace with hash -248457130, now seen corresponding path program 4 times [2021-06-05 11:16:11,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:16:11,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669041451] [2021-06-05 11:16:11,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:16:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:16:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:16:13,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:16:13,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669041451] [2021-06-05 11:16:13,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669041451] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:16:13,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:16:13,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 11:16:13,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693607497] [2021-06-05 11:16:13,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 11:16:13,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:16:13,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 11:16:13,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 11:16:13,516 INFO L87 Difference]: Start difference. First operand 153289 states and 473852 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:14,642 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2021-06-05 11:16:14,798 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-06-05 11:16:15,058 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-06-05 11:16:15,334 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-05 11:16:15,591 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-06-05 11:16:16,111 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:16:16,699 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 11:16:16,985 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 11:16:17,255 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-06-05 11:16:19,076 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-06-05 11:16:19,241 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-05 11:16:22,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:16:22,858 INFO L93 Difference]: Finished difference Result 283661 states and 877709 transitions. [2021-06-05 11:16:22,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 11:16:22,859 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-06-05 11:16:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:16:23,374 INFO L225 Difference]: With dead ends: 283661 [2021-06-05 11:16:23,374 INFO L226 Difference]: Without dead ends: 283661 [2021-06-05 11:16:23,374 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 5933.0ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-06-05 11:16:24,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283661 states. [2021-06-05 11:16:27,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283661 to 152589. [2021-06-05 11:16:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152589 states, 152585 states have (on average 3.0915686338762) internal successors, (471727), 152588 states have internal predecessors, (471727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152589 states to 152589 states and 471727 transitions. [2021-06-05 11:16:28,230 INFO L78 Accepts]: Start accepts. Automaton has 152589 states and 471727 transitions. Word has length 98 [2021-06-05 11:16:28,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:16:28,230 INFO L482 AbstractCegarLoop]: Abstraction has 152589 states and 471727 transitions. [2021-06-05 11:16:28,230 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 152589 states and 471727 transitions. [2021-06-05 11:16:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-06-05 11:16:28,447 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:16:28,447 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:16:28,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 11:16:28,449 INFO L430 AbstractCegarLoop]: === Iteration 32 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:16:28,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:16:28,450 INFO L82 PathProgramCache]: Analyzing trace with hash -936468774, now seen corresponding path program 5 times [2021-06-05 11:16:28,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:16:28,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600651446] [2021-06-05 11:16:28,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:16:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:16:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:16:30,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:16:30,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600651446] [2021-06-05 11:16:30,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600651446] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:16:30,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:16:30,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 11:16:30,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899821374] [2021-06-05 11:16:30,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 11:16:30,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:16:30,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 11:16:30,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 11:16:30,406 INFO L87 Difference]: Start difference. First operand 152589 states and 471727 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:31,725 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 11:16:31,976 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 11:16:32,549 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-05 11:16:32,794 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-06-05 11:16:33,056 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:16:33,653 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 11:16:33,942 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 11:16:34,209 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-06-05 11:16:39,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:16:39,776 INFO L93 Difference]: Finished difference Result 277791 states and 859835 transitions. [2021-06-05 11:16:39,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 11:16:39,777 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-06-05 11:16:39,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:16:40,267 INFO L225 Difference]: With dead ends: 277791 [2021-06-05 11:16:40,268 INFO L226 Difference]: Without dead ends: 277791 [2021-06-05 11:16:40,268 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 5466.0ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-06-05 11:16:41,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277791 states. [2021-06-05 11:16:44,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277791 to 161689. [2021-06-05 11:16:44,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161689 states, 161685 states have (on average 3.08921668676748) internal successors, (499480), 161688 states have internal predecessors, (499480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161689 states to 161689 states and 499480 transitions. [2021-06-05 11:16:45,481 INFO L78 Accepts]: Start accepts. Automaton has 161689 states and 499480 transitions. Word has length 98 [2021-06-05 11:16:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:16:45,497 INFO L482 AbstractCegarLoop]: Abstraction has 161689 states and 499480 transitions. [2021-06-05 11:16:45,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 161689 states and 499480 transitions. [2021-06-05 11:16:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-06-05 11:16:45,686 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:16:45,686 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:16:45,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 11:16:45,686 INFO L430 AbstractCegarLoop]: === Iteration 33 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:16:45,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:16:45,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1798326344, now seen corresponding path program 6 times [2021-06-05 11:16:45,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:16:45,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308783221] [2021-06-05 11:16:45,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:16:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:16:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:16:46,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:16:46,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308783221] [2021-06-05 11:16:46,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308783221] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:16:46,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:16:46,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 11:16:46,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344015501] [2021-06-05 11:16:46,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 11:16:46,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:16:46,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 11:16:46,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 11:16:46,529 INFO L87 Difference]: Start difference. First operand 161689 states and 499480 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:16:48,344 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 11:16:48,603 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 11:16:48,822 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 11:16:49,064 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-06-05 11:16:49,328 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 11:16:49,933 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 11:16:50,221 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 11:16:50,594 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-06-05 11:16:53,256 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-06-05 11:16:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:16:56,538 INFO L93 Difference]: Finished difference Result 282691 states and 875410 transitions. [2021-06-05 11:16:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 11:16:56,539 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-06-05 11:16:56,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:16:57,084 INFO L225 Difference]: With dead ends: 282691 [2021-06-05 11:16:57,084 INFO L226 Difference]: Without dead ends: 282691 [2021-06-05 11:16:57,085 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 4979.0ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-06-05 11:16:58,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282691 states. [2021-06-05 11:17:01,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282691 to 161689. [2021-06-05 11:17:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161689 states, 161685 states have (on average 3.08921668676748) internal successors, (499480), 161688 states have internal predecessors, (499480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:17:01,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161689 states to 161689 states and 499480 transitions. [2021-06-05 11:17:01,845 INFO L78 Accepts]: Start accepts. Automaton has 161689 states and 499480 transitions. Word has length 98 [2021-06-05 11:17:01,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:17:01,846 INFO L482 AbstractCegarLoop]: Abstraction has 161689 states and 499480 transitions. [2021-06-05 11:17:01,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:17:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 161689 states and 499480 transitions. [2021-06-05 11:17:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-06-05 11:17:02,015 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:17:02,015 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:17:02,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 11:17:02,016 INFO L430 AbstractCegarLoop]: === Iteration 34 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:17:02,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:17:02,016 INFO L82 PathProgramCache]: Analyzing trace with hash 538770808, now seen corresponding path program 7 times [2021-06-05 11:17:02,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:17:02,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516346716] [2021-06-05 11:17:02,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:17:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:17:02,986 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2021-06-05 11:17:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:17:03,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:17:03,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516346716] [2021-06-05 11:17:03,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516346716] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:17:03,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:17:03,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 11:17:03,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234580067] [2021-06-05 11:17:03,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 11:17:03,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:17:03,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 11:17:03,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1245, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 11:17:03,670 INFO L87 Difference]: Start difference. First operand 161689 states and 499480 transitions. Second operand has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:17:04,838 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2021-06-05 11:17:05,074 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-06-05 11:17:05,341 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-06-05 11:17:05,578 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-05 11:17:06,087 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 Received shutdown request... [2021-06-05 11:17:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 11:17:06,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 11:17:06,418 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 11:17:06,420 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 11:17:06,421 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 11:17:06,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 11:17:06 BasicIcfg [2021-06-05 11:17:06,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 11:17:06,422 INFO L168 Benchmark]: Toolchain (without parser) took 688900.68 ms. Allocated memory was 327.2 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 288.9 MB in the beginning and 11.9 GB in the end (delta: -11.6 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. [2021-06-05 11:17:06,422 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 327.2 MB. Free memory was 307.8 MB in the beginning and 307.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 11:17:06,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.79 ms. Allocated memory is still 327.2 MB. Free memory was 288.7 MB in the beginning and 251.3 MB in the end (delta: 37.4 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.0 GB. [2021-06-05 11:17:06,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.47 ms. Allocated memory is still 327.2 MB. Free memory was 251.3 MB in the beginning and 248.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 11:17:06,422 INFO L168 Benchmark]: Boogie Preprocessor took 62.82 ms. Allocated memory is still 327.2 MB. Free memory was 248.9 MB in the beginning and 246.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 11:17:06,422 INFO L168 Benchmark]: RCFGBuilder took 688.70 ms. Allocated memory is still 327.2 MB. Free memory was 246.8 MB in the beginning and 204.8 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-06-05 11:17:06,422 INFO L168 Benchmark]: TraceAbstraction took 687358.25 ms. Allocated memory was 327.2 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 204.0 MB in the beginning and 11.9 GB in the end (delta: -11.7 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. [2021-06-05 11:17:06,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 327.2 MB. Free memory was 307.8 MB in the beginning and 307.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 719.79 ms. Allocated memory is still 327.2 MB. Free memory was 288.7 MB in the beginning and 251.3 MB in the end (delta: 37.4 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 63.47 ms. Allocated memory is still 327.2 MB. Free memory was 251.3 MB in the beginning and 248.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 62.82 ms. Allocated memory is still 327.2 MB. Free memory was 248.9 MB in the beginning and 246.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 688.70 ms. Allocated memory is still 327.2 MB. Free memory was 246.8 MB in the beginning and 204.8 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 687358.25 ms. Allocated memory was 327.2 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 204.0 MB in the beginning and 11.9 GB in the end (delta: -11.7 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1060]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (161689states) and FLOYD_HOARE automaton (currently 20 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (2268 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (161689states) and FLOYD_HOARE automaton (currently 20 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (2268 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (161689states) and FLOYD_HOARE automaton (currently 20 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (2268 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (161689states) and FLOYD_HOARE automaton (currently 20 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (2268 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1075]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (161689states) and FLOYD_HOARE automaton (currently 20 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (2268 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1076]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (161689states) and FLOYD_HOARE automaton (currently 20 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (2268 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 296 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 687139.9ms, OverallIterations: 34, TraceHistogramMax: 1, EmptinessCheckTime: 6086.8ms, AutomataDifference: 525982.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6644.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47776 SDtfs, 99064 SDslu, 475596 SDs, 0 SdLazy, 229490 SolverSat, 3165 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 100562.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3447 GetRequests, 135 SyntacticMatches, 38 SemanticMatches, 3274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60434 ImplicationChecksByTransitivity, 390746.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=161689occurred in iteration=32, InterpolantAutomatonStates: 2397, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 112312.9ms AutomataMinimizationTime, 33 MinimizatonAttempts, 1895140 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 82.8ms SsaConstructionTime, 1368.6ms SatisfiabilityAnalysisTime, 34283.6ms InterpolantComputationTime, 3199 NumberOfCodeBlocks, 3199 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 3165 ConstructedInterpolants, 0 QuantifiedInterpolants, 52236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 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