/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 17:56:12,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 17:56:12,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 17:56:12,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-21 17:56:12,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-21 17:56:12,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-21 17:56:12,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-21 17:56:12,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-21 17:56:12,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-21 17:56:12,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-21 17:56:12,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-21 17:56:12,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-21 17:56:12,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 17:56:12,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 17:56:12,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 17:56:12,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 17:56:12,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 17:56:12,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 17:56:12,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 17:56:12,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 17:56:12,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 17:56:12,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 17:56:12,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 17:56:12,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 17:56:12,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 17:56:12,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 17:56:12,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 17:56:12,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 17:56:12,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-05-21 17:56:12,983 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 17:56:12,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 17:56:12,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 17:56:12,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 17:56:12,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 17:56:12,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 17:56:12,985 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 17:56:12,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 17:56:12,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 17:56:12,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 17:56:12,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 17:56:12,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 17:56:12,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 17:56:12,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 17:56:12,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 17:56:12,986 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 17:56:12,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 17:56:12,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 17:56:12,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 17:56:12,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 17:56:12,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 17:56:12,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 17:56:12,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 17:56:12,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 17:56:12,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 17:56:12,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 17:56:12,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 17:56:12,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 17:56:12,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 17:56:12,988 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 17:56:12,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 17:56:12,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 17:56:13,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 17:56:13,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 17:56:13,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 17:56:13,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 17:56:13,313 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 17:56:13,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2021-05-21 17:56:13,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311b4e459/347d1539b87944d5a31c4a4ba26ac881/FLAG20b45bac3 [2021-05-21 17:56:13,900 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 17:56:13,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2021-05-21 17:56:13,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311b4e459/347d1539b87944d5a31c4a4ba26ac881/FLAG20b45bac3 [2021-05-21 17:56:14,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311b4e459/347d1539b87944d5a31c4a4ba26ac881 [2021-05-21 17:56:14,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 17:56:14,201 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 17:56:14,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 17:56:14,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 17:56:14,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 17:56:14,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:14,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2728ad8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14, skipping insertion in model container [2021-05-21 17:56:14,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:14,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 17:56:14,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 17:56:14,399 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-05-21 17:56:14,663 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-05-21 17:56:14,668 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-05-21 17:56:14,669 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-05-21 17:56:14,739 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-05-21 17:56:14,739 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-05-21 17:56:14,741 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-05-21 17:56:14,741 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-05-21 17:56:14,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 17:56:14,755 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 17:56:14,771 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-05-21 17:56:14,797 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-05-21 17:56:14,798 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-05-21 17:56:14,798 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-05-21 17:56:14,815 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-05-21 17:56:14,816 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-05-21 17:56:14,818 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-05-21 17:56:14,819 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-05-21 17:56:14,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 17:56:14,986 INFO L208 MainTranslator]: Completed translation [2021-05-21 17:56:14,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14 WrapperNode [2021-05-21 17:56:14,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 17:56:14,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 17:56:14,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 17:56:14,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 17:56:14,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 17:56:15,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 17:56:15,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 17:56:15,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 17:56:15,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... [2021-05-21 17:56:15,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 17:56:15,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 17:56:15,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 17:56:15,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 17:56:15,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 17:56:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-05-21 17:56:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-05-21 17:56:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-05-21 17:56:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-05-21 17:56:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 17:56:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 17:56:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 17:56:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 17:56:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-05-21 17:56:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 17:56:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 17:56:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 17:56:15,159 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 17:56:15,765 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 17:56:15,766 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-05-21 17:56:15,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 05:56:15 BoogieIcfgContainer [2021-05-21 17:56:15,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 17:56:15,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 17:56:15,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 17:56:15,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 17:56:15,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 05:56:14" (1/3) ... [2021-05-21 17:56:15,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd6d946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 05:56:15, skipping insertion in model container [2021-05-21 17:56:15,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:56:14" (2/3) ... [2021-05-21 17:56:15,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd6d946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 05:56:15, skipping insertion in model container [2021-05-21 17:56:15,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 05:56:15" (3/3) ... [2021-05-21 17:56:15,774 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.i [2021-05-21 17:56:15,778 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 17:56:15,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 17:56:15,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-05-21 17:56:15,780 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 17:56:15,828 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,829 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,829 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,829 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,829 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,829 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,829 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,829 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,830 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,830 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,830 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,830 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,830 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,830 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,831 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,831 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,831 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,831 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,831 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,832 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,832 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,832 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,832 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,833 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,833 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,833 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,833 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,833 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,837 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,837 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,837 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,839 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,839 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,840 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,840 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,841 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,841 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,841 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,841 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,842 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,842 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,842 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,842 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,843 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,845 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,845 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,845 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,846 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,850 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,850 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,850 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,851 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,852 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,853 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,853 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,853 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,853 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,853 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,853 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,853 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,853 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,854 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,855 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,856 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,857 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,857 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,857 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,857 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,857 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,858 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,858 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,858 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,859 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,859 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,859 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,859 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,860 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,862 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,864 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,864 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,865 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,865 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,865 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,865 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,865 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,865 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,865 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,866 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,867 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,867 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,872 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,873 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,876 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,876 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,876 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,876 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,877 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,877 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,877 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,878 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,879 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,880 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,880 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,880 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,880 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,880 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,880 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,881 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,882 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,882 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,882 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,882 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,882 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,882 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,883 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,884 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,885 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,886 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,886 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,886 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,886 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,886 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,886 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,886 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,886 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,887 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,887 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,887 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,887 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,887 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,887 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,887 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,887 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,888 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,888 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,888 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,888 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,890 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,890 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,890 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,890 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,890 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,891 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,891 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,891 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,891 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,891 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,891 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,891 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,891 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,892 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,893 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,894 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,894 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,894 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,894 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,895 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,896 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,897 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,897 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,897 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,897 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,897 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,897 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,897 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,897 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,898 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,900 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,900 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,900 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,902 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,903 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,903 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,903 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,903 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,903 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,903 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,903 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,903 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,904 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,905 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,905 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,906 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,907 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,925 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,925 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,925 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,925 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,925 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,925 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,925 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,925 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,926 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,927 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,928 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,928 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,928 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,928 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,928 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,928 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,932 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,933 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,933 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,933 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,933 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,933 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,933 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,933 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,933 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,934 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,935 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:56:15,943 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-05-21 17:56:15,961 INFO L255 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-05-21 17:56:15,977 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 17:56:15,977 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 17:56:15,977 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 17:56:15,977 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 17:56:15,977 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 17:56:15,977 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 17:56:15,978 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 17:56:15,978 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 17:56:15,988 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 206 places, 218 transitions, 458 flow [2021-05-21 17:56:24,374 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:24,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-05-21 17:56:24,885 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:56:24,886 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] [2021-05-21 17:56:24,887 INFO L430 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:56:24,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:56:24,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1837467968, now seen corresponding path program 1 times [2021-05-21 17:56:24,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:56:24,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483251830] [2021-05-21 17:56:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:56:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:56:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:56:25,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:56:25,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483251830] [2021-05-21 17:56:25,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483251830] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:56:25,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:56:25,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-05-21 17:56:25,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651238999] [2021-05-21 17:56:25,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-21 17:56:25,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:56:25,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-21 17:56:25,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-05-21 17:56:25,698 INFO L87 Difference]: Start difference. First operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:27,606 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-05-21 17:56:29,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:56:29,210 INFO L93 Difference]: Finished difference Result 106831 states and 328248 transitions. [2021-05-21 17:56:29,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-21 17:56:29,212 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-05-21 17:56:29,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:56:29,604 INFO L225 Difference]: With dead ends: 106831 [2021-05-21 17:56:29,604 INFO L226 Difference]: Without dead ends: 95141 [2021-05-21 17:56:29,605 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1753.5ms TimeCoverageRelationStatistics Valid=487, Invalid=1319, Unknown=0, NotChecked=0, Total=1806 [2021-05-21 17:56:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95141 states. [2021-05-21 17:56:32,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95141 to 90545. [2021-05-21 17:56:33,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90545 states, 90541 states have (on average 3.0790028826719387) internal successors, (278776), 90544 states have internal predecessors, (278776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90545 states to 90545 states and 278776 transitions. [2021-05-21 17:56:33,574 INFO L78 Accepts]: Start accepts. Automaton has 90545 states and 278776 transitions. Word has length 80 [2021-05-21 17:56:33,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:56:33,575 INFO L482 AbstractCegarLoop]: Abstraction has 90545 states and 278776 transitions. [2021-05-21 17:56:33,575 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 90545 states and 278776 transitions. [2021-05-21 17:56:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-05-21 17:56:33,654 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:56:33,654 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] [2021-05-21 17:56:33,654 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 17:56:33,654 INFO L430 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:56:33,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:56:33,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1610903129, now seen corresponding path program 1 times [2021-05-21 17:56:33,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:56:33,658 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505890484] [2021-05-21 17:56:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:56:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:56:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:56:34,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:56:34,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505890484] [2021-05-21 17:56:34,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505890484] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:56:34,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:56:34,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-05-21 17:56:34,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405742033] [2021-05-21 17:56:34,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-21 17:56:34,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:56:34,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-21 17:56:34,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-05-21 17:56:34,173 INFO L87 Difference]: Start difference. First operand 90545 states and 278776 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:35,654 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-05-21 17:56:37,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:56:37,845 INFO L93 Difference]: Finished difference Result 151978 states and 468066 transitions. [2021-05-21 17:56:37,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-21 17:56:37,845 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-05-21 17:56:37,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:56:38,398 INFO L225 Difference]: With dead ends: 151978 [2021-05-21 17:56:38,398 INFO L226 Difference]: Without dead ends: 151327 [2021-05-21 17:56:38,399 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2117.9ms TimeCoverageRelationStatistics Valid=561, Invalid=1509, Unknown=0, NotChecked=0, Total=2070 [2021-05-21 17:56:39,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151327 states. [2021-05-21 17:56:41,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151327 to 107881. [2021-05-21 17:56:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107881 states, 107877 states have (on average 3.0790808049908693) internal successors, (332162), 107880 states have internal predecessors, (332162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:42,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107881 states to 107881 states and 332162 transitions. [2021-05-21 17:56:42,481 INFO L78 Accepts]: Start accepts. Automaton has 107881 states and 332162 transitions. Word has length 85 [2021-05-21 17:56:42,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:56:42,482 INFO L482 AbstractCegarLoop]: Abstraction has 107881 states and 332162 transitions. [2021-05-21 17:56:42,482 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:42,482 INFO L276 IsEmpty]: Start isEmpty. Operand 107881 states and 332162 transitions. [2021-05-21 17:56:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-05-21 17:56:42,552 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:56:42,552 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] [2021-05-21 17:56:42,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 17:56:42,553 INFO L430 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:56:42,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:56:42,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1145054439, now seen corresponding path program 2 times [2021-05-21 17:56:42,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:56:42,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491761822] [2021-05-21 17:56:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:56:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:56:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:56:42,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:56:42,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491761822] [2021-05-21 17:56:42,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491761822] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:56:42,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:56:42,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-05-21 17:56:42,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734791628] [2021-05-21 17:56:42,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-21 17:56:42,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:56:42,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-21 17:56:42,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-05-21 17:56:42,916 INFO L87 Difference]: Start difference. First operand 107881 states and 332162 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:43,637 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-05-21 17:56:45,147 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-05-21 17:56:45,426 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-05-21 17:56:45,550 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-05-21 17:56:48,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:56:48,758 INFO L93 Difference]: Finished difference Result 220451 states and 679360 transitions. [2021-05-21 17:56:48,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-21 17:56:48,759 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-05-21 17:56:48,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:56:49,166 INFO L225 Difference]: With dead ends: 220451 [2021-05-21 17:56:49,166 INFO L226 Difference]: Without dead ends: 219821 [2021-05-21 17:56:49,167 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 3704.1ms TimeCoverageRelationStatistics Valid=1145, Invalid=2887, Unknown=0, NotChecked=0, Total=4032 [2021-05-21 17:56:50,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219821 states. [2021-05-21 17:56:52,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219821 to 107883. [2021-05-21 17:56:52,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107883 states, 107879 states have (on average 3.079060799599551) internal successors, (332166), 107882 states have internal predecessors, (332166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107883 states to 107883 states and 332166 transitions. [2021-05-21 17:56:53,248 INFO L78 Accepts]: Start accepts. Automaton has 107883 states and 332166 transitions. Word has length 85 [2021-05-21 17:56:53,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:56:53,249 INFO L482 AbstractCegarLoop]: Abstraction has 107883 states and 332166 transitions. [2021-05-21 17:56:53,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:53,249 INFO L276 IsEmpty]: Start isEmpty. Operand 107883 states and 332166 transitions. [2021-05-21 17:56:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-05-21 17:56:53,315 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:56:53,315 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] [2021-05-21 17:56:53,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 17:56:53,315 INFO L430 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:56:53,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:56:53,316 INFO L82 PathProgramCache]: Analyzing trace with hash 677588919, now seen corresponding path program 3 times [2021-05-21 17:56:53,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:56:53,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877958722] [2021-05-21 17:56:53,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:56:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:56:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:56:54,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:56:54,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877958722] [2021-05-21 17:56:54,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877958722] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:56:54,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:56:54,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-05-21 17:56:54,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669819910] [2021-05-21 17:56:54,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-21 17:56:54,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:56:54,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-21 17:56:54,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-05-21 17:56:54,140 INFO L87 Difference]: Start difference. First operand 107883 states and 332166 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:56:56,158 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-05-21 17:56:58,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:56:58,616 INFO L93 Difference]: Finished difference Result 200099 states and 616820 transitions. [2021-05-21 17:56:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-21 17:56:58,617 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-05-21 17:56:58,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:56:58,997 INFO L225 Difference]: With dead ends: 200099 [2021-05-21 17:56:58,997 INFO L226 Difference]: Without dead ends: 199364 [2021-05-21 17:56:58,998 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 2709.1ms TimeCoverageRelationStatistics Valid=766, Invalid=1886, Unknown=0, NotChecked=0, Total=2652 [2021-05-21 17:57:00,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199364 states. [2021-05-21 17:57:02,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199364 to 114573. [2021-05-21 17:57:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114573 states, 114569 states have (on average 3.083809756565912) internal successors, (353309), 114572 states have internal predecessors, (353309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114573 states to 114573 states and 353309 transitions. [2021-05-21 17:57:03,199 INFO L78 Accepts]: Start accepts. Automaton has 114573 states and 353309 transitions. Word has length 85 [2021-05-21 17:57:03,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:57:03,200 INFO L482 AbstractCegarLoop]: Abstraction has 114573 states and 353309 transitions. [2021-05-21 17:57:03,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand 114573 states and 353309 transitions. [2021-05-21 17:57:03,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-05-21 17:57:03,273 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:57:03,284 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] [2021-05-21 17:57:03,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 17:57:03,285 INFO L430 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:57:03,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:57:03,285 INFO L82 PathProgramCache]: Analyzing trace with hash -51608287, now seen corresponding path program 4 times [2021-05-21 17:57:03,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:57:03,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253270463] [2021-05-21 17:57:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:57:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:57:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:57:03,706 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:57:03,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253270463] [2021-05-21 17:57:03,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253270463] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:57:03,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:57:03,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-05-21 17:57:03,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963921216] [2021-05-21 17:57:03,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-21 17:57:03,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:57:03,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-21 17:57:03,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-05-21 17:57:03,707 INFO L87 Difference]: Start difference. First operand 114573 states and 353309 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:04,911 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-05-21 17:57:05,060 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-05-21 17:57:05,480 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-05-21 17:57:06,190 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-05-21 17:57:07,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:57:07,902 INFO L93 Difference]: Finished difference Result 198689 states and 613129 transitions. [2021-05-21 17:57:07,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-05-21 17:57:07,902 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-05-21 17:57:07,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:57:08,271 INFO L225 Difference]: With dead ends: 198689 [2021-05-21 17:57:08,272 INFO L226 Difference]: Without dead ends: 198542 [2021-05-21 17:57:08,272 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 2474.3ms TimeCoverageRelationStatistics Valid=679, Invalid=1771, Unknown=0, NotChecked=0, Total=2450 [2021-05-21 17:57:09,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198542 states. [2021-05-21 17:57:11,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198542 to 114573. [2021-05-21 17:57:11,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114573 states, 114569 states have (on average 3.083809756565912) internal successors, (353309), 114572 states have internal predecessors, (353309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:12,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114573 states to 114573 states and 353309 transitions. [2021-05-21 17:57:12,166 INFO L78 Accepts]: Start accepts. Automaton has 114573 states and 353309 transitions. Word has length 85 [2021-05-21 17:57:12,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:57:12,166 INFO L482 AbstractCegarLoop]: Abstraction has 114573 states and 353309 transitions. [2021-05-21 17:57:12,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:12,166 INFO L276 IsEmpty]: Start isEmpty. Operand 114573 states and 353309 transitions. [2021-05-21 17:57:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-05-21 17:57:12,224 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:57:12,224 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] [2021-05-21 17:57:12,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 17:57:12,225 INFO L430 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:57:12,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:57:12,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1693106881, now seen corresponding path program 5 times [2021-05-21 17:57:12,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:57:12,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952373359] [2021-05-21 17:57:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:57:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:57:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:57:12,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:57:12,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952373359] [2021-05-21 17:57:12,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952373359] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:57:12,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:57:12,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-05-21 17:57:12,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171903695] [2021-05-21 17:57:12,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-21 17:57:12,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:57:12,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-21 17:57:12,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-05-21 17:57:12,540 INFO L87 Difference]: Start difference. First operand 114573 states and 353309 transitions. Second operand has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:13,185 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-05-21 17:57:13,945 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2021-05-21 17:57:14,194 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-05-21 17:57:14,608 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-05-21 17:57:16,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:57:16,172 INFO L93 Difference]: Finished difference Result 149862 states and 461077 transitions. [2021-05-21 17:57:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-21 17:57:16,178 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-05-21 17:57:16,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:57:16,437 INFO L225 Difference]: With dead ends: 149862 [2021-05-21 17:57:16,437 INFO L226 Difference]: Without dead ends: 148875 [2021-05-21 17:57:16,438 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2338.1ms TimeCoverageRelationStatistics Valid=436, Invalid=1204, Unknown=0, NotChecked=0, Total=1640 [2021-05-21 17:57:17,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148875 states. [2021-05-21 17:57:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148875 to 105931. [2021-05-21 17:57:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105931 states, 105927 states have (on average 3.08080092894163) internal successors, (326340), 105930 states have internal predecessors, (326340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105931 states to 105931 states and 326340 transitions. [2021-05-21 17:57:19,953 INFO L78 Accepts]: Start accepts. Automaton has 105931 states and 326340 transitions. Word has length 85 [2021-05-21 17:57:19,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:57:19,953 INFO L482 AbstractCegarLoop]: Abstraction has 105931 states and 326340 transitions. [2021-05-21 17:57:19,953 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 105931 states and 326340 transitions. [2021-05-21 17:57:20,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:57:20,033 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:57:20,033 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, 1, 1, 1, 1, 1] [2021-05-21 17:57:20,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-21 17:57:20,033 INFO L430 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:57:20,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:57:20,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1706211467, now seen corresponding path program 1 times [2021-05-21 17:57:20,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:57:20,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727066376] [2021-05-21 17:57:20,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:57:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:57:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:57:20,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:57:20,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727066376] [2021-05-21 17:57:20,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727066376] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:57:20,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:57:20,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:57:20,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432491853] [2021-05-21 17:57:20,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:57:20,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:57:20,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:57:20,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:57:20,822 INFO L87 Difference]: Start difference. First operand 105931 states and 326340 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:22,945 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2021-05-21 17:57:23,247 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-05-21 17:57:23,443 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-05-21 17:57:23,644 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-05-21 17:57:23,846 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-21 17:57:24,033 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 80 [2021-05-21 17:57:24,231 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-05-21 17:57:24,416 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-05-21 17:57:24,689 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-05-21 17:57:24,878 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-21 17:57:25,043 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-05-21 17:57:25,238 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2021-05-21 17:57:25,421 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 85 [2021-05-21 17:57:25,608 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-21 17:57:25,826 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 88 [2021-05-21 17:57:26,086 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 86 [2021-05-21 17:57:26,343 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-21 17:57:26,568 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 89 [2021-05-21 17:57:26,971 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-05-21 17:57:27,450 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-21 17:57:29,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:57:29,632 INFO L93 Difference]: Finished difference Result 154669 states and 476772 transitions. [2021-05-21 17:57:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-21 17:57:29,633 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:57:29,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:57:29,906 INFO L225 Difference]: With dead ends: 154669 [2021-05-21 17:57:29,906 INFO L226 Difference]: Without dead ends: 154669 [2021-05-21 17:57:29,907 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 5951.6ms TimeCoverageRelationStatistics Valid=1495, Invalid=4357, Unknown=0, NotChecked=0, Total=5852 [2021-05-21 17:57:31,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154669 states. [2021-05-21 17:57:32,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154669 to 112021. [2021-05-21 17:57:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112021 states, 112017 states have (on average 3.0840586696662116) internal successors, (345467), 112020 states have internal predecessors, (345467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112021 states to 112021 states and 345467 transitions. [2021-05-21 17:57:33,043 INFO L78 Accepts]: Start accepts. Automaton has 112021 states and 345467 transitions. Word has length 103 [2021-05-21 17:57:33,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:57:33,044 INFO L482 AbstractCegarLoop]: Abstraction has 112021 states and 345467 transitions. [2021-05-21 17:57:33,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 112021 states and 345467 transitions. [2021-05-21 17:57:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:57:33,647 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:57:33,648 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, 1, 1, 1, 1, 1] [2021-05-21 17:57:33,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-21 17:57:33,648 INFO L430 AbstractCegarLoop]: === Iteration 8 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:57:33,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:57:33,648 INFO L82 PathProgramCache]: Analyzing trace with hash -706933199, now seen corresponding path program 2 times [2021-05-21 17:57:33,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:57:33,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013265842] [2021-05-21 17:57:33,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:57:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:57:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:57:34,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:57:34,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013265842] [2021-05-21 17:57:34,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013265842] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:57:34,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:57:34,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:57:34,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312230396] [2021-05-21 17:57:34,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:57:34,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:57:34,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:57:34,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:57:34,492 INFO L87 Difference]: Start difference. First operand 112021 states and 345467 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:36,630 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 17:57:36,928 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 17:57:37,132 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-05-21 17:57:37,336 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 72 [2021-05-21 17:57:37,544 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-05-21 17:57:37,750 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-05-21 17:57:37,939 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-05-21 17:57:38,149 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-05-21 17:57:38,349 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-05-21 17:57:38,526 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 76 [2021-05-21 17:57:38,812 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2021-05-21 17:57:39,008 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-05-21 17:57:39,186 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-05-21 17:57:39,395 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-05-21 17:57:39,672 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 17:57:39,887 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-05-21 17:57:40,093 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-05-21 17:57:40,308 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-05-21 17:57:40,560 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-05-21 17:57:40,763 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 84 [2021-05-21 17:57:41,030 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-05-21 17:57:41,268 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-05-21 17:57:41,475 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-05-21 17:57:41,724 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-05-21 17:57:42,062 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-05-21 17:57:42,528 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2021-05-21 17:57:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:57:44,718 INFO L93 Difference]: Finished difference Result 157579 states and 485869 transitions. [2021-05-21 17:57:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-21 17:57:44,718 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:57:44,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:57:44,978 INFO L225 Difference]: With dead ends: 157579 [2021-05-21 17:57:44,978 INFO L226 Difference]: Without dead ends: 157579 [2021-05-21 17:57:44,979 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 7165.0ms TimeCoverageRelationStatistics Valid=1749, Invalid=5057, Unknown=0, NotChecked=0, Total=6806 [2021-05-21 17:57:46,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157579 states. [2021-05-21 17:57:48,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157579 to 112291. [2021-05-21 17:57:48,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112291 states, 112287 states have (on average 3.0842038704391426) internal successors, (346316), 112290 states have internal predecessors, (346316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112291 states to 112291 states and 346316 transitions. [2021-05-21 17:57:48,450 INFO L78 Accepts]: Start accepts. Automaton has 112291 states and 346316 transitions. Word has length 103 [2021-05-21 17:57:48,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:57:48,450 INFO L482 AbstractCegarLoop]: Abstraction has 112291 states and 346316 transitions. [2021-05-21 17:57:48,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 112291 states and 346316 transitions. [2021-05-21 17:57:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:57:48,537 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:57:48,538 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, 1, 1, 1, 1, 1] [2021-05-21 17:57:48,538 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 17:57:48,538 INFO L430 AbstractCegarLoop]: === Iteration 9 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:57:48,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:57:48,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1516394469, now seen corresponding path program 3 times [2021-05-21 17:57:48,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:57:48,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227861917] [2021-05-21 17:57:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:57:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:57:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:57:49,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:57:49,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227861917] [2021-05-21 17:57:49,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227861917] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:57:49,273 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:57:49,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:57:49,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127761093] [2021-05-21 17:57:49,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:57:49,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:57:49,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:57:49,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:57:49,274 INFO L87 Difference]: Start difference. First operand 112291 states and 346316 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:57:50,320 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 50 [2021-05-21 17:57:50,831 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-05-21 17:57:51,430 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 17:57:51,690 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2021-05-21 17:57:51,871 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-05-21 17:57:52,057 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-05-21 17:57:52,226 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-05-21 17:57:52,596 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-05-21 17:57:52,777 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-21 17:57:52,982 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-05-21 17:57:53,164 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-05-21 17:57:53,336 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-05-21 17:57:53,588 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 17:57:53,778 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-05-21 17:57:53,948 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-05-21 17:57:54,155 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-05-21 17:57:54,388 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-21 17:57:54,581 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-05-21 17:57:54,832 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-05-21 17:57:55,046 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 17:57:55,293 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-21 17:57:55,496 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 17:57:55,752 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-05-21 17:57:55,941 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-05-21 17:57:56,163 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 17:57:56,396 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-21 17:57:56,637 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 17:57:56,956 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-05-21 17:57:57,390 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 17:57:57,816 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 17:57:58,246 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-21 17:57:59,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:57:59,870 INFO L93 Difference]: Finished difference Result 157189 states and 484656 transitions. [2021-05-21 17:57:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-05-21 17:57:59,871 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:57:59,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:58:00,128 INFO L225 Difference]: With dead ends: 157189 [2021-05-21 17:58:00,129 INFO L226 Difference]: Without dead ends: 157189 [2021-05-21 17:58:00,130 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 8169.1ms TimeCoverageRelationStatistics Valid=1900, Invalid=5410, Unknown=0, NotChecked=0, Total=7310 [2021-05-21 17:58:01,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157189 states. [2021-05-21 17:58:02,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157189 to 112321. [2021-05-21 17:58:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112321 states, 112317 states have (on average 3.0841902828601193) internal successors, (346407), 112320 states have internal predecessors, (346407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112321 states to 112321 states and 346407 transitions. [2021-05-21 17:58:03,222 INFO L78 Accepts]: Start accepts. Automaton has 112321 states and 346407 transitions. Word has length 103 [2021-05-21 17:58:03,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:58:03,222 INFO L482 AbstractCegarLoop]: Abstraction has 112321 states and 346407 transitions. [2021-05-21 17:58:03,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:03,223 INFO L276 IsEmpty]: Start isEmpty. Operand 112321 states and 346407 transitions. [2021-05-21 17:58:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:58:03,308 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:58:03,308 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, 1, 1, 1, 1, 1] [2021-05-21 17:58:03,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-21 17:58:03,308 INFO L430 AbstractCegarLoop]: === Iteration 10 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:58:03,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:58:03,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1302369979, now seen corresponding path program 4 times [2021-05-21 17:58:03,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:58:03,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187630633] [2021-05-21 17:58:03,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:58:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:58:04,065 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-05-21 17:58:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:58:04,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:58:04,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187630633] [2021-05-21 17:58:04,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187630633] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:58:04,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:58:04,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 17:58:04,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919479410] [2021-05-21 17:58:04,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 17:58:04,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:58:04,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 17:58:04,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-05-21 17:58:04,755 INFO L87 Difference]: Start difference. First operand 112321 states and 346407 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:06,363 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-05-21 17:58:06,870 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-05-21 17:58:07,085 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-05-21 17:58:07,269 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-05-21 17:58:07,437 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-05-21 17:58:07,633 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-05-21 17:58:07,814 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-05-21 17:58:08,018 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-05-21 17:58:08,199 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-05-21 17:58:08,371 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-05-21 17:58:08,598 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-05-21 17:58:08,792 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-21 17:58:08,958 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-05-21 17:58:09,189 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-05-21 17:58:09,388 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-05-21 17:58:09,578 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-05-21 17:58:09,783 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-05-21 17:58:09,998 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-05-21 17:58:10,245 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-05-21 17:58:10,450 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-05-21 17:58:10,679 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-05-21 17:58:10,880 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 17:58:11,130 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 17:58:11,342 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-05-21 17:58:11,607 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 93 [2021-05-21 17:58:11,887 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2021-05-21 17:58:12,203 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-05-21 17:58:12,513 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-21 17:58:12,826 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 95 [2021-05-21 17:58:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:58:14,184 INFO L93 Difference]: Finished difference Result 156259 states and 481745 transitions. [2021-05-21 17:58:14,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-21 17:58:14,185 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:58:14,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:58:14,435 INFO L225 Difference]: With dead ends: 156259 [2021-05-21 17:58:14,435 INFO L226 Difference]: Without dead ends: 156259 [2021-05-21 17:58:14,436 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 7257.2ms TimeCoverageRelationStatistics Valid=1659, Invalid=3891, Unknown=0, NotChecked=0, Total=5550 [2021-05-21 17:58:15,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156259 states. [2021-05-21 17:58:17,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156259 to 117001. [2021-05-21 17:58:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117001 states, 116997 states have (on average 3.0847201210287443) internal successors, (360903), 117000 states have internal predecessors, (360903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117001 states to 117001 states and 360903 transitions. [2021-05-21 17:58:17,634 INFO L78 Accepts]: Start accepts. Automaton has 117001 states and 360903 transitions. Word has length 103 [2021-05-21 17:58:17,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:58:17,635 INFO L482 AbstractCegarLoop]: Abstraction has 117001 states and 360903 transitions. [2021-05-21 17:58:17,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 117001 states and 360903 transitions. [2021-05-21 17:58:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:58:18,287 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:58:18,287 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, 1, 1, 1, 1, 1] [2021-05-21 17:58:18,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-21 17:58:18,288 INFO L430 AbstractCegarLoop]: === Iteration 11 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:58:18,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:58:18,288 INFO L82 PathProgramCache]: Analyzing trace with hash 13468875, now seen corresponding path program 5 times [2021-05-21 17:58:18,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:58:18,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019398397] [2021-05-21 17:58:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:58:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:58:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:58:19,184 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:58:19,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019398397] [2021-05-21 17:58:19,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019398397] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:58:19,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:58:19,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:58:19,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399227690] [2021-05-21 17:58:19,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:58:19,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:58:19,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:58:19,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:58:19,186 INFO L87 Difference]: Start difference. First operand 117001 states and 360903 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:21,275 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 17:58:21,496 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-05-21 17:58:21,728 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-05-21 17:58:21,985 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-05-21 17:58:22,195 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-05-21 17:58:22,403 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 17:58:22,641 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-05-21 17:58:22,875 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 84 [2021-05-21 17:58:23,073 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-05-21 17:58:23,267 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-05-21 17:58:23,506 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-05-21 17:58:23,701 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-05-21 17:58:23,910 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-05-21 17:58:24,127 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-05-21 17:58:24,325 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-05-21 17:58:24,631 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-05-21 17:58:24,842 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-05-21 17:58:25,194 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-05-21 17:58:25,399 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 88 [2021-05-21 17:58:25,824 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-05-21 17:58:26,170 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 76 [2021-05-21 17:58:26,634 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-05-21 17:58:28,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:58:28,254 INFO L93 Difference]: Finished difference Result 165679 states and 511279 transitions. [2021-05-21 17:58:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-21 17:58:28,254 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:58:28,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:58:28,516 INFO L225 Difference]: With dead ends: 165679 [2021-05-21 17:58:28,516 INFO L226 Difference]: Without dead ends: 165679 [2021-05-21 17:58:28,517 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 6578.7ms TimeCoverageRelationStatistics Valid=1536, Invalid=4626, Unknown=0, NotChecked=0, Total=6162 [2021-05-21 17:58:29,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165679 states. [2021-05-21 17:58:31,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165679 to 120661. [2021-05-21 17:58:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120661 states, 120657 states have (on average 3.0868909387768633) internal successors, (372455), 120660 states have internal predecessors, (372455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120661 states to 120661 states and 372455 transitions. [2021-05-21 17:58:31,686 INFO L78 Accepts]: Start accepts. Automaton has 120661 states and 372455 transitions. Word has length 103 [2021-05-21 17:58:31,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:58:31,686 INFO L482 AbstractCegarLoop]: Abstraction has 120661 states and 372455 transitions. [2021-05-21 17:58:31,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 120661 states and 372455 transitions. [2021-05-21 17:58:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:58:31,774 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:58:31,774 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, 1, 1, 1, 1, 1] [2021-05-21 17:58:31,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-05-21 17:58:31,774 INFO L430 AbstractCegarLoop]: === Iteration 12 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:58:31,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:58:31,775 INFO L82 PathProgramCache]: Analyzing trace with hash -2058170753, now seen corresponding path program 6 times [2021-05-21 17:58:31,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:58:31,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526723643] [2021-05-21 17:58:31,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:58:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:58:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:58:33,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:58:33,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526723643] [2021-05-21 17:58:33,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526723643] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:58:33,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:58:33,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:58:33,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337583351] [2021-05-21 17:58:33,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:58:33,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:58:33,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:58:33,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:58:33,086 INFO L87 Difference]: Start difference. First operand 120661 states and 372455 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:34,922 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 17:58:35,148 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 17:58:35,637 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-05-21 17:58:35,833 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-05-21 17:58:36,044 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-05-21 17:58:36,260 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-05-21 17:58:36,454 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 17:58:36,675 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2021-05-21 17:58:36,930 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-05-21 17:58:37,154 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-05-21 17:58:37,352 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 17:58:37,598 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2021-05-21 17:58:37,806 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-05-21 17:58:38,049 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-05-21 17:58:38,249 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-05-21 17:58:38,454 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2021-05-21 17:58:38,645 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-05-21 17:58:38,855 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-05-21 17:58:39,076 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 17:58:39,300 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-05-21 17:58:39,619 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-05-21 17:58:40,081 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2021-05-21 17:58:40,510 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-05-21 17:58:40,947 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-05-21 17:58:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:58:42,601 INFO L93 Difference]: Finished difference Result 163039 states and 502851 transitions. [2021-05-21 17:58:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-05-21 17:58:42,602 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:58:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:58:42,866 INFO L225 Difference]: With dead ends: 163039 [2021-05-21 17:58:42,867 INFO L226 Difference]: Without dead ends: 163039 [2021-05-21 17:58:42,868 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 7250.5ms TimeCoverageRelationStatistics Valid=1630, Invalid=4850, Unknown=0, NotChecked=0, Total=6480 [2021-05-21 17:58:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163039 states. [2021-05-21 17:58:46,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163039 to 120661. [2021-05-21 17:58:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120661 states, 120657 states have (on average 3.0863936613706624) internal successors, (372395), 120660 states have internal predecessors, (372395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120661 states to 120661 states and 372395 transitions. [2021-05-21 17:58:46,789 INFO L78 Accepts]: Start accepts. Automaton has 120661 states and 372395 transitions. Word has length 103 [2021-05-21 17:58:46,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:58:46,789 INFO L482 AbstractCegarLoop]: Abstraction has 120661 states and 372395 transitions. [2021-05-21 17:58:46,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 120661 states and 372395 transitions. [2021-05-21 17:58:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:58:46,878 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:58:46,878 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, 1, 1, 1, 1, 1] [2021-05-21 17:58:46,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-05-21 17:58:46,878 INFO L430 AbstractCegarLoop]: === Iteration 13 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:58:46,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:58:46,879 INFO L82 PathProgramCache]: Analyzing trace with hash -581967905, now seen corresponding path program 7 times [2021-05-21 17:58:46,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:58:46,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815749686] [2021-05-21 17:58:46,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:58:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:58:48,038 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2021-05-21 17:58:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:58:48,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:58:48,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815749686] [2021-05-21 17:58:48,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815749686] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:58:48,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:58:48,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:58:48,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027463930] [2021-05-21 17:58:48,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:58:48,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:58:48,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:58:48,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:58:48,043 INFO L87 Difference]: Start difference. First operand 120661 states and 372395 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:58:49,959 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-05-21 17:58:50,188 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 17:58:50,392 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 17:58:50,752 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-05-21 17:58:50,917 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-05-21 17:58:51,111 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2021-05-21 17:58:51,287 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-05-21 17:58:51,495 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-05-21 17:58:51,691 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-05-21 17:58:51,912 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-05-21 17:58:52,094 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-05-21 17:58:52,271 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-05-21 17:58:52,512 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-05-21 17:58:52,709 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-21 17:58:52,903 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-05-21 17:58:53,121 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-21 17:58:53,324 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-05-21 17:58:53,581 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-05-21 17:58:53,794 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-05-21 17:58:54,011 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-05-21 17:58:54,272 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-05-21 17:58:54,482 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-05-21 17:58:54,715 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-05-21 17:58:54,924 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-05-21 17:58:55,174 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-21 17:58:55,396 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-05-21 17:58:55,675 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-05-21 17:58:55,969 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2021-05-21 17:58:56,302 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 94 [2021-05-21 17:58:56,630 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-05-21 17:58:56,964 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-05-21 17:58:58,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:58:58,479 INFO L93 Difference]: Finished difference Result 161929 states and 499394 transitions. [2021-05-21 17:58:58,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-21 17:58:58,479 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:58:58,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:58:58,751 INFO L225 Difference]: With dead ends: 161929 [2021-05-21 17:58:58,751 INFO L226 Difference]: Without dead ends: 161929 [2021-05-21 17:58:58,751 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 8052.4ms TimeCoverageRelationStatistics Valid=1760, Invalid=4246, Unknown=0, NotChecked=0, Total=6006 [2021-05-21 17:59:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161929 states. [2021-05-21 17:59:01,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161929 to 117811. [2021-05-21 17:59:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117811 states, 117807 states have (on average 3.085130764725356) internal successors, (363450), 117810 states have internal predecessors, (363450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117811 states to 117811 states and 363450 transitions. [2021-05-21 17:59:01,940 INFO L78 Accepts]: Start accepts. Automaton has 117811 states and 363450 transitions. Word has length 103 [2021-05-21 17:59:01,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:59:01,940 INFO L482 AbstractCegarLoop]: Abstraction has 117811 states and 363450 transitions. [2021-05-21 17:59:01,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand 117811 states and 363450 transitions. [2021-05-21 17:59:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:59:02,543 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:59:02,543 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, 1, 1, 1, 1, 1] [2021-05-21 17:59:02,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-21 17:59:02,544 INFO L430 AbstractCegarLoop]: === Iteration 14 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:59:02,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:59:02,544 INFO L82 PathProgramCache]: Analyzing trace with hash -436301109, now seen corresponding path program 8 times [2021-05-21 17:59:02,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:59:02,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247042359] [2021-05-21 17:59:02,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:59:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:59:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:59:03,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:59:03,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247042359] [2021-05-21 17:59:03,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247042359] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:59:03,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:59:03,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:59:03,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968554296] [2021-05-21 17:59:03,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:59:03,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:59:03,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:59:03,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:59:03,321 INFO L87 Difference]: Start difference. First operand 117811 states and 363450 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:05,269 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 17:59:05,485 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 17:59:05,709 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-05-21 17:59:05,984 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-05-21 17:59:06,230 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-05-21 17:59:06,431 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-21 17:59:06,722 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 17:59:07,071 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-05-21 17:59:07,428 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 17:59:07,840 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 17:59:08,230 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-21 17:59:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:59:09,457 INFO L93 Difference]: Finished difference Result 158899 states and 489873 transitions. [2021-05-21 17:59:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-21 17:59:09,458 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:59:09,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:59:09,948 INFO L225 Difference]: With dead ends: 158899 [2021-05-21 17:59:09,948 INFO L226 Difference]: Without dead ends: 158899 [2021-05-21 17:59:09,948 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 4259.4ms TimeCoverageRelationStatistics Valid=1010, Invalid=3546, Unknown=0, NotChecked=0, Total=4556 [2021-05-21 17:59:10,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158899 states. [2021-05-21 17:59:12,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158899 to 118291. [2021-05-21 17:59:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118291 states, 118287 states have (on average 3.084920574534818) internal successors, (364906), 118290 states have internal predecessors, (364906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118291 states to 118291 states and 364906 transitions. [2021-05-21 17:59:13,078 INFO L78 Accepts]: Start accepts. Automaton has 118291 states and 364906 transitions. Word has length 103 [2021-05-21 17:59:13,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:59:13,078 INFO L482 AbstractCegarLoop]: Abstraction has 118291 states and 364906 transitions. [2021-05-21 17:59:13,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 118291 states and 364906 transitions. [2021-05-21 17:59:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:59:13,167 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:59:13,168 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:59:13,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-05-21 17:59:13,168 INFO L430 AbstractCegarLoop]: === Iteration 15 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:59:13,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:59:13,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1039901739, now seen corresponding path program 9 times [2021-05-21 17:59:13,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:59:13,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858513624] [2021-05-21 17:59:13,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:59:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:59:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:59:13,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:59:13,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858513624] [2021-05-21 17:59:13,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858513624] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:59:13,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:59:13,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 17:59:13,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950660510] [2021-05-21 17:59:13,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 17:59:13,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:59:13,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 17:59:13,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-05-21 17:59:13,873 INFO L87 Difference]: Start difference. First operand 118291 states and 364906 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:16,167 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-05-21 17:59:16,394 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 17:59:16,598 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 17:59:16,779 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-05-21 17:59:16,940 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-05-21 17:59:17,134 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-05-21 17:59:17,504 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 76 [2021-05-21 17:59:17,709 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-05-21 17:59:17,908 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-21 17:59:18,124 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-05-21 17:59:18,312 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-21 17:59:18,488 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-05-21 17:59:18,727 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2021-05-21 17:59:18,923 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2021-05-21 17:59:19,098 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-05-21 17:59:19,305 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-05-21 17:59:19,513 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-05-21 17:59:19,720 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-05-21 17:59:19,902 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-05-21 17:59:20,110 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-05-21 17:59:20,328 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 88 [2021-05-21 17:59:20,596 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-05-21 17:59:20,804 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 84 [2021-05-21 17:59:21,050 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-05-21 17:59:21,256 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-05-21 17:59:21,492 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-05-21 17:59:21,706 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-05-21 17:59:22,012 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-05-21 17:59:22,298 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-05-21 17:59:22,583 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-05-21 17:59:22,899 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-05-21 17:59:23,177 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-05-21 17:59:24,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:59:24,841 INFO L93 Difference]: Finished difference Result 158623 states and 489058 transitions. [2021-05-21 17:59:24,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-21 17:59:24,842 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:59:24,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:59:25,097 INFO L225 Difference]: With dead ends: 158623 [2021-05-21 17:59:25,098 INFO L226 Difference]: Without dead ends: 158623 [2021-05-21 17:59:25,098 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 7728.4ms TimeCoverageRelationStatistics Valid=1778, Invalid=4228, Unknown=0, NotChecked=0, Total=6006 [2021-05-21 17:59:26,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158623 states. [2021-05-21 17:59:27,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158623 to 120253. [2021-05-21 17:59:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120253 states, 120249 states have (on average 3.084408186346664) internal successors, (370897), 120252 states have internal predecessors, (370897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120253 states to 120253 states and 370897 transitions. [2021-05-21 17:59:28,351 INFO L78 Accepts]: Start accepts. Automaton has 120253 states and 370897 transitions. Word has length 103 [2021-05-21 17:59:28,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:59:28,352 INFO L482 AbstractCegarLoop]: Abstraction has 120253 states and 370897 transitions. [2021-05-21 17:59:28,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:28,352 INFO L276 IsEmpty]: Start isEmpty. Operand 120253 states and 370897 transitions. [2021-05-21 17:59:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:59:28,443 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:59:28,443 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, 1, 1, 1, 1, 1] [2021-05-21 17:59:28,443 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-05-21 17:59:28,443 INFO L430 AbstractCegarLoop]: === Iteration 16 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:59:28,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:59:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash -658479683, now seen corresponding path program 10 times [2021-05-21 17:59:28,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:59:28,444 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032961387] [2021-05-21 17:59:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:59:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:59:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:59:29,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:59:29,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032961387] [2021-05-21 17:59:29,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032961387] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:59:29,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:59:29,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:59:29,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199828352] [2021-05-21 17:59:29,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:59:29,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:59:29,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:59:29,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:59:29,798 INFO L87 Difference]: Start difference. First operand 120253 states and 370897 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:30,846 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2021-05-21 17:59:31,032 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 65 [2021-05-21 17:59:31,250 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-05-21 17:59:31,592 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-05-21 17:59:31,742 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2021-05-21 17:59:32,255 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2021-05-21 17:59:32,448 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-05-21 17:59:32,626 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-05-21 17:59:32,791 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-05-21 17:59:33,003 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-21 17:59:33,196 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2021-05-21 17:59:33,387 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-21 17:59:33,596 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 69 [2021-05-21 17:59:33,776 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-05-21 17:59:33,976 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-05-21 17:59:34,208 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-05-21 17:59:34,410 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-05-21 17:59:34,634 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-05-21 17:59:34,828 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-05-21 17:59:35,056 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-05-21 17:59:35,265 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-05-21 17:59:35,504 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-21 17:59:35,711 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-05-21 17:59:35,902 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-05-21 17:59:36,161 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2021-05-21 17:59:36,374 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-05-21 17:59:36,563 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-05-21 17:59:36,826 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 80 [2021-05-21 17:59:37,049 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-05-21 17:59:37,250 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-05-21 17:59:37,448 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-21 17:59:37,694 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 76 [2021-05-21 17:59:37,931 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-05-21 17:59:38,211 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-05-21 17:59:38,441 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-05-21 17:59:38,716 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-21 17:59:38,941 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-05-21 17:59:39,236 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-05-21 17:59:39,467 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-05-21 17:59:39,760 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-05-21 17:59:40,069 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 97 [2021-05-21 17:59:40,403 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 95 [2021-05-21 17:59:40,753 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 91 [2021-05-21 17:59:41,110 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 96 [2021-05-21 17:59:42,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:59:42,518 INFO L93 Difference]: Finished difference Result 161389 states and 497288 transitions. [2021-05-21 17:59:42,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-05-21 17:59:42,519 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:59:42,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:59:42,789 INFO L225 Difference]: With dead ends: 161389 [2021-05-21 17:59:42,789 INFO L226 Difference]: Without dead ends: 161389 [2021-05-21 17:59:42,790 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 10737.3ms TimeCoverageRelationStatistics Valid=2408, Invalid=5602, Unknown=0, NotChecked=0, Total=8010 [2021-05-21 17:59:44,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161389 states. [2021-05-21 17:59:45,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161389 to 121081. [2021-05-21 17:59:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121081 states, 121077 states have (on average 3.086209602154001) internal successors, (373669), 121080 states have internal predecessors, (373669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:46,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121081 states to 121081 states and 373669 transitions. [2021-05-21 17:59:46,450 INFO L78 Accepts]: Start accepts. Automaton has 121081 states and 373669 transitions. Word has length 103 [2021-05-21 17:59:46,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:59:46,450 INFO L482 AbstractCegarLoop]: Abstraction has 121081 states and 373669 transitions. [2021-05-21 17:59:46,450 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:46,450 INFO L276 IsEmpty]: Start isEmpty. Operand 121081 states and 373669 transitions. [2021-05-21 17:59:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:59:46,639 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:59:46,639 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, 1, 1, 1, 1, 1] [2021-05-21 17:59:46,639 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-05-21 17:59:46,639 INFO L430 AbstractCegarLoop]: === Iteration 17 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:59:46,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:59:46,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1517409227, now seen corresponding path program 11 times [2021-05-21 17:59:46,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:59:46,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812399402] [2021-05-21 17:59:46,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:59:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:59:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:59:47,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:59:47,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812399402] [2021-05-21 17:59:47,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812399402] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:59:47,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:59:47,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 17:59:47,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925447908] [2021-05-21 17:59:47,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 17:59:47,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:59:47,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 17:59:47,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-05-21 17:59:47,332 INFO L87 Difference]: Start difference. First operand 121081 states and 373669 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:49,390 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2021-05-21 17:59:49,686 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-05-21 17:59:49,860 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-05-21 17:59:50,042 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-05-21 17:59:50,236 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-21 17:59:50,408 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 80 [2021-05-21 17:59:50,614 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-05-21 17:59:50,784 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-05-21 17:59:50,999 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-05-21 17:59:51,177 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-21 17:59:51,343 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-05-21 17:59:51,535 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2021-05-21 17:59:51,757 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 85 [2021-05-21 17:59:51,942 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-21 17:59:52,165 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 88 [2021-05-21 17:59:52,410 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 86 [2021-05-21 17:59:52,664 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-21 17:59:52,892 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 89 [2021-05-21 17:59:53,218 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-05-21 17:59:53,706 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-21 17:59:55,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:59:55,877 INFO L93 Difference]: Finished difference Result 162319 states and 500427 transitions. [2021-05-21 17:59:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-21 17:59:55,877 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 17:59:55,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:59:56,142 INFO L225 Difference]: With dead ends: 162319 [2021-05-21 17:59:56,143 INFO L226 Difference]: Without dead ends: 162319 [2021-05-21 17:59:56,143 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 5805.9ms TimeCoverageRelationStatistics Valid=1495, Invalid=4357, Unknown=0, NotChecked=0, Total=5852 [2021-05-21 17:59:57,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162319 states. [2021-05-21 17:59:59,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162319 to 123031. [2021-05-21 17:59:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123031 states, 123027 states have (on average 3.08561535272745) internal successors, (379614), 123030 states have internal predecessors, (379614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123031 states to 123031 states and 379614 transitions. [2021-05-21 17:59:59,725 INFO L78 Accepts]: Start accepts. Automaton has 123031 states and 379614 transitions. Word has length 103 [2021-05-21 17:59:59,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:59:59,726 INFO L482 AbstractCegarLoop]: Abstraction has 123031 states and 379614 transitions. [2021-05-21 17:59:59,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:59:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 123031 states and 379614 transitions. [2021-05-21 17:59:59,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 17:59:59,811 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:59:59,811 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, 1, 1, 1, 1, 1] [2021-05-21 17:59:59,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-05-21 17:59:59,811 INFO L430 AbstractCegarLoop]: === Iteration 18 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:59:59,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:59:59,812 INFO L82 PathProgramCache]: Analyzing trace with hash -895735439, now seen corresponding path program 12 times [2021-05-21 17:59:59,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:59:59,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877536853] [2021-05-21 17:59:59,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:59:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:00:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:00:00,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:00:00,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877536853] [2021-05-21 18:00:00,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877536853] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:00:00,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:00:00,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:00:00,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305663958] [2021-05-21 18:00:00,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:00:00,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:00:00,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:00:00,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:00:00,446 INFO L87 Difference]: Start difference. First operand 123031 states and 379614 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:02,519 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 18:00:02,794 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 18:00:02,978 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-05-21 18:00:03,168 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-21 18:00:03,342 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-05-21 18:00:03,560 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-05-21 18:00:03,745 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 80 [2021-05-21 18:00:04,165 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-21 18:00:04,357 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-21 18:00:04,531 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-21 18:00:04,763 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-05-21 18:00:04,954 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-05-21 18:00:05,130 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-05-21 18:00:05,341 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-21 18:00:05,539 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 18:00:05,736 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-05-21 18:00:05,948 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-21 18:00:06,161 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-05-21 18:00:06,447 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-21 18:00:06,653 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 18:00:06,884 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:00:07,128 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-05-21 18:00:07,338 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-05-21 18:00:07,594 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-05-21 18:00:07,938 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 92 [2021-05-21 18:00:08,372 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-05-21 18:00:10,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:00:10,543 INFO L93 Difference]: Finished difference Result 165229 states and 509524 transitions. [2021-05-21 18:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-21 18:00:10,543 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:00:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:00:10,813 INFO L225 Difference]: With dead ends: 165229 [2021-05-21 18:00:10,813 INFO L226 Difference]: Without dead ends: 165229 [2021-05-21 18:00:10,814 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 7212.1ms TimeCoverageRelationStatistics Valid=1749, Invalid=5057, Unknown=0, NotChecked=0, Total=6806 [2021-05-21 18:00:12,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165229 states. [2021-05-21 18:00:14,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165229 to 123301. [2021-05-21 18:00:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123301 states, 123297 states have (on average 3.085744178690479) internal successors, (380463), 123300 states have internal predecessors, (380463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123301 states to 123301 states and 380463 transitions. [2021-05-21 18:00:14,537 INFO L78 Accepts]: Start accepts. Automaton has 123301 states and 380463 transitions. Word has length 103 [2021-05-21 18:00:14,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:00:14,537 INFO L482 AbstractCegarLoop]: Abstraction has 123301 states and 380463 transitions. [2021-05-21 18:00:14,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 123301 states and 380463 transitions. [2021-05-21 18:00:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:00:14,628 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:00:14,628 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, 1, 1, 1, 1, 1] [2021-05-21 18:00:14,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-05-21 18:00:14,629 INFO L430 AbstractCegarLoop]: === Iteration 19 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:00:14,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:00:14,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1327592229, now seen corresponding path program 13 times [2021-05-21 18:00:14,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:00:14,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421140096] [2021-05-21 18:00:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:00:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:00:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:00:15,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:00:15,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421140096] [2021-05-21 18:00:15,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421140096] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:00:15,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:00:15,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:00:15,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956230730] [2021-05-21 18:00:15,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:00:15,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:00:15,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:00:15,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:00:15,273 INFO L87 Difference]: Start difference. First operand 123301 states and 380463 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:16,635 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 56 [2021-05-21 18:00:17,452 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 18:00:17,740 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2021-05-21 18:00:17,925 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-05-21 18:00:18,119 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-05-21 18:00:18,291 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-05-21 18:00:18,512 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-05-21 18:00:18,700 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-05-21 18:00:19,106 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-05-21 18:00:19,286 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-21 18:00:19,458 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-05-21 18:00:19,686 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-05-21 18:00:19,877 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 84 [2021-05-21 18:00:20,049 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-05-21 18:00:20,255 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2021-05-21 18:00:20,452 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2021-05-21 18:00:20,646 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2021-05-21 18:00:20,855 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-05-21 18:00:21,067 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2021-05-21 18:00:21,342 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:00:21,547 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 87 [2021-05-21 18:00:21,771 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-21 18:00:21,958 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-05-21 18:00:22,181 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:00:22,376 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-21 18:00:22,622 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:00:22,949 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-05-21 18:00:23,353 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-05-21 18:00:23,821 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 18:00:24,248 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-21 18:00:25,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:00:25,839 INFO L93 Difference]: Finished difference Result 164839 states and 508311 transitions. [2021-05-21 18:00:25,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-05-21 18:00:25,839 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:00:25,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:00:26,335 INFO L225 Difference]: With dead ends: 164839 [2021-05-21 18:00:26,335 INFO L226 Difference]: Without dead ends: 164839 [2021-05-21 18:00:26,336 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 7971.8ms TimeCoverageRelationStatistics Valid=1900, Invalid=5410, Unknown=0, NotChecked=0, Total=7310 [2021-05-21 18:00:27,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164839 states. [2021-05-21 18:00:29,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164839 to 123331. [2021-05-21 18:00:29,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123331 states, 123327 states have (on average 3.0857314294517826) internal successors, (380554), 123330 states have internal predecessors, (380554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123331 states to 123331 states and 380554 transitions. [2021-05-21 18:00:29,590 INFO L78 Accepts]: Start accepts. Automaton has 123331 states and 380554 transitions. Word has length 103 [2021-05-21 18:00:29,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:00:29,591 INFO L482 AbstractCegarLoop]: Abstraction has 123331 states and 380554 transitions. [2021-05-21 18:00:29,591 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:29,591 INFO L276 IsEmpty]: Start isEmpty. Operand 123331 states and 380554 transitions. [2021-05-21 18:00:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:00:29,683 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:00:29,684 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, 1, 1, 1, 1, 1] [2021-05-21 18:00:29,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-05-21 18:00:29,684 INFO L430 AbstractCegarLoop]: === Iteration 20 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:00:29,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:00:29,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1491172219, now seen corresponding path program 14 times [2021-05-21 18:00:29,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:00:29,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790320513] [2021-05-21 18:00:29,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:00:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:00:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:00:30,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:00:30,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790320513] [2021-05-21 18:00:30,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790320513] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:00:30,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:00:30,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 18:00:30,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023685945] [2021-05-21 18:00:30,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 18:00:30,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:00:30,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 18:00:30,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-05-21 18:00:30,412 INFO L87 Difference]: Start difference. First operand 123331 states and 380554 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:31,457 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2021-05-21 18:00:32,012 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-05-21 18:00:32,593 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-05-21 18:00:32,852 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2021-05-21 18:00:33,030 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-05-21 18:00:33,215 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-05-21 18:00:33,381 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-05-21 18:00:33,584 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-05-21 18:00:33,969 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-05-21 18:00:34,183 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-05-21 18:00:34,362 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-05-21 18:00:34,531 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-05-21 18:00:34,761 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-05-21 18:00:34,954 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 18:00:35,121 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-05-21 18:00:35,327 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-21 18:00:35,526 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-05-21 18:00:35,716 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 76 [2021-05-21 18:00:35,923 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-05-21 18:00:36,168 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-21 18:00:36,410 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-05-21 18:00:36,626 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-05-21 18:00:36,849 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2021-05-21 18:00:37,048 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-05-21 18:00:37,275 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-05-21 18:00:37,486 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 93 [2021-05-21 18:00:37,752 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-05-21 18:00:38,032 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-05-21 18:00:38,329 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 96 [2021-05-21 18:00:38,680 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-05-21 18:00:38,987 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 97 [2021-05-21 18:00:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:00:40,256 INFO L93 Difference]: Finished difference Result 163909 states and 505400 transitions. [2021-05-21 18:00:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-21 18:00:40,257 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:00:40,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:00:40,560 INFO L225 Difference]: With dead ends: 163909 [2021-05-21 18:00:40,560 INFO L226 Difference]: Without dead ends: 163909 [2021-05-21 18:00:40,561 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 7683.5ms TimeCoverageRelationStatistics Valid=1659, Invalid=3891, Unknown=0, NotChecked=0, Total=5550 [2021-05-21 18:00:41,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163909 states. [2021-05-21 18:00:43,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163909 to 126481. [2021-05-21 18:00:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126481 states, 126477 states have (on average 3.086798390221147) internal successors, (390409), 126480 states have internal predecessors, (390409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126481 states to 126481 states and 390409 transitions. [2021-05-21 18:00:44,260 INFO L78 Accepts]: Start accepts. Automaton has 126481 states and 390409 transitions. Word has length 103 [2021-05-21 18:00:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:00:44,260 INFO L482 AbstractCegarLoop]: Abstraction has 126481 states and 390409 transitions. [2021-05-21 18:00:44,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 126481 states and 390409 transitions. [2021-05-21 18:00:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:00:44,352 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:00:44,352 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, 1, 1, 1, 1, 1] [2021-05-21 18:00:44,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-05-21 18:00:44,352 INFO L430 AbstractCegarLoop]: === Iteration 21 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:00:44,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:00:44,352 INFO L82 PathProgramCache]: Analyzing trace with hash -175333365, now seen corresponding path program 15 times [2021-05-21 18:00:44,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:00:44,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543596344] [2021-05-21 18:00:44,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:00:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:00:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:00:44,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:00:44,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543596344] [2021-05-21 18:00:44,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543596344] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:00:44,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:00:44,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:00:44,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854314057] [2021-05-21 18:00:44,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:00:44,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:00:44,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:00:44,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:00:44,986 INFO L87 Difference]: Start difference. First operand 126481 states and 390409 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:46,351 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 56 [2021-05-21 18:00:47,183 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 18:00:47,427 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-05-21 18:00:47,657 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-05-21 18:00:47,937 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-21 18:00:48,148 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-05-21 18:00:48,365 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 18:00:48,817 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-05-21 18:00:49,050 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 18:00:49,242 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-21 18:00:49,436 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:00:49,633 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-05-21 18:00:49,830 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2021-05-21 18:00:50,043 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-05-21 18:00:50,260 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 84 [2021-05-21 18:00:50,458 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-05-21 18:00:50,769 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:00:50,981 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 92 [2021-05-21 18:00:51,364 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-05-21 18:00:51,567 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-05-21 18:00:51,944 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-05-21 18:00:52,286 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-21 18:00:52,751 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-05-21 18:00:54,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:00:54,264 INFO L93 Difference]: Finished difference Result 172159 states and 531385 transitions. [2021-05-21 18:00:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-21 18:00:54,265 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:00:54,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:00:54,554 INFO L225 Difference]: With dead ends: 172159 [2021-05-21 18:00:54,554 INFO L226 Difference]: Without dead ends: 172159 [2021-05-21 18:00:54,554 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 6761.3ms TimeCoverageRelationStatistics Valid=1536, Invalid=4626, Unknown=0, NotChecked=0, Total=6162 [2021-05-21 18:00:55,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172159 states. [2021-05-21 18:00:57,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172159 to 130141. [2021-05-21 18:00:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130141 states, 130137 states have (on average 3.088752622236566) internal successors, (401961), 130140 states have internal predecessors, (401961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130141 states to 130141 states and 401961 transitions. [2021-05-21 18:00:58,706 INFO L78 Accepts]: Start accepts. Automaton has 130141 states and 401961 transitions. Word has length 103 [2021-05-21 18:00:58,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:00:58,706 INFO L482 AbstractCegarLoop]: Abstraction has 130141 states and 401961 transitions. [2021-05-21 18:00:58,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:00:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 130141 states and 401961 transitions. [2021-05-21 18:00:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:00:58,824 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:00:58,824 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, 1, 1, 1, 1, 1] [2021-05-21 18:00:58,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-05-21 18:00:58,825 INFO L430 AbstractCegarLoop]: === Iteration 22 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:00:58,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:00:58,825 INFO L82 PathProgramCache]: Analyzing trace with hash 2047994303, now seen corresponding path program 16 times [2021-05-21 18:00:58,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:00:58,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494774518] [2021-05-21 18:00:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:00:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:00:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:00:59,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:00:59,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494774518] [2021-05-21 18:00:59,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494774518] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:00:59,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:00:59,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:00:59,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372801463] [2021-05-21 18:00:59,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:00:59,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:00:59,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:00:59,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:00:59,559 INFO L87 Difference]: Start difference. First operand 130141 states and 401961 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:00,752 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-05-21 18:01:01,744 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 18:01:01,992 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 18:01:02,226 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-05-21 18:01:02,426 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-05-21 18:01:02,643 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-21 18:01:02,868 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-21 18:01:03,074 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-05-21 18:01:03,296 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2021-05-21 18:01:03,500 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-05-21 18:01:03,733 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-05-21 18:01:03,971 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-21 18:01:04,239 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-05-21 18:01:04,450 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-05-21 18:01:04,698 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:01:04,898 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-21 18:01:05,099 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-05-21 18:01:05,290 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-21 18:01:05,511 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 18:01:05,730 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:01:05,954 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 18:01:06,280 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-21 18:01:06,788 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-05-21 18:01:07,219 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-05-21 18:01:07,659 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 88 [2021-05-21 18:01:09,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:01:09,408 INFO L93 Difference]: Finished difference Result 169519 states and 522957 transitions. [2021-05-21 18:01:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-05-21 18:01:09,409 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:01:09,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:01:09,683 INFO L225 Difference]: With dead ends: 169519 [2021-05-21 18:01:09,683 INFO L226 Difference]: Without dead ends: 169519 [2021-05-21 18:01:09,683 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 6703.7ms TimeCoverageRelationStatistics Valid=1630, Invalid=4850, Unknown=0, NotChecked=0, Total=6480 [2021-05-21 18:01:11,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169519 states. [2021-05-21 18:01:12,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169519 to 130141. [2021-05-21 18:01:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130141 states, 130137 states have (on average 3.088291569653519) internal successors, (401901), 130140 states have internal predecessors, (401901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:13,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130141 states to 130141 states and 401901 transitions. [2021-05-21 18:01:13,131 INFO L78 Accepts]: Start accepts. Automaton has 130141 states and 401901 transitions. Word has length 103 [2021-05-21 18:01:13,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:01:13,131 INFO L482 AbstractCegarLoop]: Abstraction has 130141 states and 401901 transitions. [2021-05-21 18:01:13,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 130141 states and 401901 transitions. [2021-05-21 18:01:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:01:13,233 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:01:13,233 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, 1, 1, 1, 1, 1] [2021-05-21 18:01:13,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-05-21 18:01:13,233 INFO L430 AbstractCegarLoop]: === Iteration 23 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:01:13,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:01:13,234 INFO L82 PathProgramCache]: Analyzing trace with hash -770770145, now seen corresponding path program 17 times [2021-05-21 18:01:13,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:01:13,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960935280] [2021-05-21 18:01:13,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:01:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:01:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:01:14,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:01:14,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960935280] [2021-05-21 18:01:14,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960935280] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:01:14,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:01:14,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:01:14,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15411185] [2021-05-21 18:01:14,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:01:14,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:01:14,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:01:14,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:01:14,683 INFO L87 Difference]: Start difference. First operand 130141 states and 401901 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:16,449 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-05-21 18:01:17,037 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-05-21 18:01:17,291 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-05-21 18:01:17,519 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-05-21 18:01:17,747 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-05-21 18:01:18,014 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-05-21 18:01:18,230 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 74 [2021-05-21 18:01:18,499 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-05-21 18:01:18,702 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-05-21 18:01:18,932 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-05-21 18:01:19,112 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-21 18:01:19,285 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-05-21 18:01:19,524 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-05-21 18:01:19,740 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 18:01:19,914 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-05-21 18:01:20,128 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-21 18:01:20,327 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-05-21 18:01:20,533 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-05-21 18:01:20,748 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-05-21 18:01:20,961 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-21 18:01:21,222 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-21 18:01:21,429 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-05-21 18:01:21,658 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2021-05-21 18:01:21,865 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-05-21 18:01:22,116 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-21 18:01:22,335 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 93 [2021-05-21 18:01:22,616 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-05-21 18:01:22,907 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-05-21 18:01:23,225 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2021-05-21 18:01:23,546 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 92 [2021-05-21 18:01:23,894 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 97 [2021-05-21 18:01:25,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:01:25,370 INFO L93 Difference]: Finished difference Result 169579 states and 523049 transitions. [2021-05-21 18:01:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-21 18:01:25,374 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:01:25,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:01:25,650 INFO L225 Difference]: With dead ends: 169579 [2021-05-21 18:01:25,650 INFO L226 Difference]: Without dead ends: 169579 [2021-05-21 18:01:25,651 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 8122.3ms TimeCoverageRelationStatistics Valid=1760, Invalid=4246, Unknown=0, NotChecked=0, Total=6006 [2021-05-21 18:01:26,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169579 states. [2021-05-21 18:01:28,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169579 to 127291. [2021-05-21 18:01:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127291 states, 127287 states have (on average 3.0871652250426203) internal successors, (392956), 127290 states have internal predecessors, (392956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:29,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127291 states to 127291 states and 392956 transitions. [2021-05-21 18:01:29,520 INFO L78 Accepts]: Start accepts. Automaton has 127291 states and 392956 transitions. Word has length 103 [2021-05-21 18:01:29,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:01:29,520 INFO L482 AbstractCegarLoop]: Abstraction has 127291 states and 392956 transitions. [2021-05-21 18:01:29,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:29,521 INFO L276 IsEmpty]: Start isEmpty. Operand 127291 states and 392956 transitions. [2021-05-21 18:01:29,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:01:29,634 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:01:29,634 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, 1, 1, 1, 1, 1] [2021-05-21 18:01:29,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-05-21 18:01:29,634 INFO L430 AbstractCegarLoop]: === Iteration 24 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:01:29,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:01:29,635 INFO L82 PathProgramCache]: Analyzing trace with hash -625103349, now seen corresponding path program 18 times [2021-05-21 18:01:29,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:01:29,635 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450425526] [2021-05-21 18:01:29,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:01:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:01:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:01:30,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:01:30,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450425526] [2021-05-21 18:01:30,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450425526] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:01:30,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:01:30,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:01:30,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545567922] [2021-05-21 18:01:30,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:01:30,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:01:30,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:01:30,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:01:30,329 INFO L87 Difference]: Start difference. First operand 127291 states and 392956 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:32,318 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 18:01:32,550 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-21 18:01:32,770 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-05-21 18:01:33,070 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-05-21 18:01:33,319 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-05-21 18:01:33,533 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-21 18:01:33,834 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:01:34,206 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-05-21 18:01:34,639 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-05-21 18:01:34,999 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 18:01:35,392 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-21 18:01:36,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:01:36,692 INFO L93 Difference]: Finished difference Result 166549 states and 513528 transitions. [2021-05-21 18:01:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-21 18:01:36,693 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:01:36,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:01:37,222 INFO L225 Difference]: With dead ends: 166549 [2021-05-21 18:01:37,222 INFO L226 Difference]: Without dead ends: 166549 [2021-05-21 18:01:37,222 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 4000.9ms TimeCoverageRelationStatistics Valid=1010, Invalid=3546, Unknown=0, NotChecked=0, Total=4556 [2021-05-21 18:01:38,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166549 states. [2021-05-21 18:01:40,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166549 to 127771. [2021-05-21 18:01:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127771 states, 127767 states have (on average 3.086962987312843) internal successors, (394412), 127770 states have internal predecessors, (394412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127771 states to 127771 states and 394412 transitions. [2021-05-21 18:01:40,567 INFO L78 Accepts]: Start accepts. Automaton has 127771 states and 394412 transitions. Word has length 103 [2021-05-21 18:01:40,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:01:40,568 INFO L482 AbstractCegarLoop]: Abstraction has 127771 states and 394412 transitions. [2021-05-21 18:01:40,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 127771 states and 394412 transitions. [2021-05-21 18:01:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:01:40,665 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:01:40,665 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, 1, 1, 1, 1, 1] [2021-05-21 18:01:40,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-05-21 18:01:40,665 INFO L430 AbstractCegarLoop]: === Iteration 25 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:01:40,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:01:40,666 INFO L82 PathProgramCache]: Analyzing trace with hash 851099499, now seen corresponding path program 19 times [2021-05-21 18:01:40,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:01:40,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760327011] [2021-05-21 18:01:40,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:01:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:01:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:01:41,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:01:41,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760327011] [2021-05-21 18:01:41,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760327011] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:01:41,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:01:41,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 18:01:41,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181979032] [2021-05-21 18:01:41,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 18:01:41,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:01:41,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 18:01:41,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-05-21 18:01:41,360 INFO L87 Difference]: Start difference. First operand 127771 states and 394412 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:43,716 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-05-21 18:01:43,960 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-05-21 18:01:44,158 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-05-21 18:01:44,338 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-05-21 18:01:44,698 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-05-21 18:01:44,894 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-21 18:01:45,071 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-05-21 18:01:45,276 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-05-21 18:01:45,469 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-05-21 18:01:45,694 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-21 18:01:45,878 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-21 18:01:46,050 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-05-21 18:01:46,288 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-05-21 18:01:46,481 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-21 18:01:46,656 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-05-21 18:01:46,864 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2021-05-21 18:01:47,102 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 18:01:47,286 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-05-21 18:01:47,467 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-05-21 18:01:47,678 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-21 18:01:47,895 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-21 18:01:48,163 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-21 18:01:48,370 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-05-21 18:01:48,614 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:01:48,821 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-05-21 18:01:49,061 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-05-21 18:01:49,273 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 93 [2021-05-21 18:01:49,588 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2021-05-21 18:01:49,873 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 100 [2021-05-21 18:01:50,149 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 96 [2021-05-21 18:01:50,462 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 92 [2021-05-21 18:01:50,738 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-05-21 18:01:52,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:01:52,416 INFO L93 Difference]: Finished difference Result 166273 states and 512713 transitions. [2021-05-21 18:01:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-21 18:01:52,425 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:01:52,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:01:52,710 INFO L225 Difference]: With dead ends: 166273 [2021-05-21 18:01:52,710 INFO L226 Difference]: Without dead ends: 166273 [2021-05-21 18:01:52,710 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 8114.4ms TimeCoverageRelationStatistics Valid=1778, Invalid=4228, Unknown=0, NotChecked=0, Total=6006 [2021-05-21 18:01:54,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166273 states. [2021-05-21 18:01:55,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166273 to 129733. [2021-05-21 18:01:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129733 states, 129729 states have (on average 3.086457152988152) internal successors, (400403), 129732 states have internal predecessors, (400403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:56,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129733 states to 129733 states and 400403 transitions. [2021-05-21 18:01:56,146 INFO L78 Accepts]: Start accepts. Automaton has 129733 states and 400403 transitions. Word has length 103 [2021-05-21 18:01:56,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:01:56,147 INFO L482 AbstractCegarLoop]: Abstraction has 129733 states and 400403 transitions. [2021-05-21 18:01:56,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 129733 states and 400403 transitions. [2021-05-21 18:01:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:01:56,252 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:01:56,252 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, 1, 1, 1, 1, 1] [2021-05-21 18:01:56,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-05-21 18:01:56,252 INFO L430 AbstractCegarLoop]: === Iteration 26 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:01:56,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:01:56,253 INFO L82 PathProgramCache]: Analyzing trace with hash -847281923, now seen corresponding path program 20 times [2021-05-21 18:01:56,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:01:56,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433849145] [2021-05-21 18:01:56,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:01:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:01:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:01:57,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:01:57,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433849145] [2021-05-21 18:01:57,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433849145] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:01:57,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:01:57,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:01:57,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882453334] [2021-05-21 18:01:57,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:01:57,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:01:57,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:01:57,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:01:57,664 INFO L87 Difference]: Start difference. First operand 129733 states and 400403 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:01:58,896 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2021-05-21 18:01:59,027 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-05-21 18:01:59,237 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-05-21 18:01:59,742 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-05-21 18:02:00,150 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-05-21 18:02:00,603 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-05-21 18:02:00,801 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-05-21 18:02:00,980 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-05-21 18:02:01,139 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-05-21 18:02:01,295 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-05-21 18:02:01,515 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-05-21 18:02:01,725 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 70 [2021-05-21 18:02:01,908 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-05-21 18:02:02,104 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-05-21 18:02:02,380 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-05-21 18:02:02,541 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-05-21 18:02:02,727 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-05-21 18:02:02,909 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-05-21 18:02:03,090 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-05-21 18:02:03,271 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-05-21 18:02:03,469 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-05-21 18:02:03,665 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-05-21 18:02:03,859 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 76 [2021-05-21 18:02:04,086 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 83 [2021-05-21 18:02:04,291 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-05-21 18:02:04,506 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-21 18:02:04,756 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-05-21 18:02:04,967 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-05-21 18:02:05,171 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-05-21 18:02:05,362 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-05-21 18:02:05,590 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2021-05-21 18:02:05,817 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-05-21 18:02:06,032 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-05-21 18:02:06,223 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-05-21 18:02:06,462 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2021-05-21 18:02:06,683 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-05-21 18:02:06,933 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-05-21 18:02:07,137 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-05-21 18:02:07,338 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-05-21 18:02:07,615 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-05-21 18:02:07,859 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 88 [2021-05-21 18:02:08,162 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2021-05-21 18:02:08,395 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-05-21 18:02:08,691 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-05-21 18:02:08,942 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 89 [2021-05-21 18:02:09,268 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-05-21 18:02:09,506 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-05-21 18:02:09,843 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 95 [2021-05-21 18:02:10,220 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 98 [2021-05-21 18:02:10,606 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-05-21 18:02:10,988 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 92 [2021-05-21 18:02:11,348 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 97 [2021-05-21 18:02:13,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:02:13,054 INFO L93 Difference]: Finished difference Result 182389 states and 562698 transitions. [2021-05-21 18:02:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-21 18:02:13,054 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:02:13,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:02:13,343 INFO L225 Difference]: With dead ends: 182389 [2021-05-21 18:02:13,343 INFO L226 Difference]: Without dead ends: 182389 [2021-05-21 18:02:13,343 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 12444.5ms TimeCoverageRelationStatistics Valid=2995, Invalid=6905, Unknown=0, NotChecked=0, Total=9900 [2021-05-21 18:02:14,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182389 states. [2021-05-21 18:02:16,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182389 to 121141. [2021-05-21 18:02:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121141 states, 121137 states have (on average 3.0861834121696923) internal successors, (373851), 121140 states have internal predecessors, (373851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121141 states to 121141 states and 373851 transitions. [2021-05-21 18:02:17,139 INFO L78 Accepts]: Start accepts. Automaton has 121141 states and 373851 transitions. Word has length 103 [2021-05-21 18:02:17,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:02:17,139 INFO L482 AbstractCegarLoop]: Abstraction has 121141 states and 373851 transitions. [2021-05-21 18:02:17,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 121141 states and 373851 transitions. [2021-05-21 18:02:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:02:17,222 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:02:17,223 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, 1, 1, 1, 1, 1] [2021-05-21 18:02:17,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-05-21 18:02:17,223 INFO L430 AbstractCegarLoop]: === Iteration 27 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:02:17,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:02:17,223 INFO L82 PathProgramCache]: Analyzing trace with hash -126691475, now seen corresponding path program 21 times [2021-05-21 18:02:17,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:02:17,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230417933] [2021-05-21 18:02:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:02:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:02:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:02:17,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:02:17,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230417933] [2021-05-21 18:02:17,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230417933] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:02:17,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:02:17,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 18:02:17,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051497715] [2021-05-21 18:02:17,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 18:02:17,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:02:17,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 18:02:17,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2021-05-21 18:02:17,782 INFO L87 Difference]: Start difference. First operand 121141 states and 373851 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:20,089 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2021-05-21 18:02:20,341 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-05-21 18:02:20,519 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-05-21 18:02:20,705 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-05-21 18:02:21,526 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2021-05-21 18:02:22,043 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2021-05-21 18:02:23,229 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-05-21 18:02:23,371 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-05-21 18:02:23,885 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-05-21 18:02:24,038 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-05-21 18:02:24,180 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-05-21 18:02:24,343 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2021-05-21 18:02:24,573 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-05-21 18:02:24,744 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-05-21 18:02:24,922 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-05-21 18:02:25,077 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-05-21 18:02:25,528 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-05-21 18:02:25,725 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-05-21 18:02:25,871 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2021-05-21 18:02:26,347 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-05-21 18:02:26,543 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-05-21 18:02:26,741 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-05-21 18:02:26,877 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-05-21 18:02:27,297 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-05-21 18:02:27,473 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-05-21 18:02:27,642 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-05-21 18:02:27,794 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-05-21 18:02:28,089 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-05-21 18:02:28,268 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-05-21 18:02:28,458 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-05-21 18:02:28,639 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-05-21 18:02:28,966 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-05-21 18:02:29,180 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2021-05-21 18:02:29,434 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-21 18:02:29,652 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-21 18:02:29,930 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-21 18:02:30,126 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-05-21 18:02:30,320 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-05-21 18:02:30,615 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 18:02:30,824 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-21 18:02:31,013 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-05-21 18:02:31,290 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-21 18:02:31,558 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-05-21 18:02:31,751 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 87 [2021-05-21 18:02:31,953 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-05-21 18:02:32,230 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-05-21 18:02:32,475 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-05-21 18:02:32,801 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 18:02:33,033 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-21 18:02:33,339 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-05-21 18:02:33,557 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 93 [2021-05-21 18:02:33,882 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 91 [2021-05-21 18:02:34,153 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-21 18:02:34,495 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-05-21 18:02:34,904 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-05-21 18:02:35,280 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-05-21 18:02:35,674 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2021-05-21 18:02:36,021 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 101 [2021-05-21 18:02:37,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:02:37,747 INFO L93 Difference]: Finished difference Result 189065 states and 582744 transitions. [2021-05-21 18:02:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-05-21 18:02:37,747 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:02:37,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:02:38,073 INFO L225 Difference]: With dead ends: 189065 [2021-05-21 18:02:38,073 INFO L226 Difference]: Without dead ends: 189065 [2021-05-21 18:02:38,074 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4016 ImplicationChecksByTransitivity, 15294.5ms TimeCoverageRelationStatistics Valid=5500, Invalid=14240, Unknown=0, NotChecked=0, Total=19740 [2021-05-21 18:02:39,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189065 states. [2021-05-21 18:02:41,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189065 to 132073. [2021-05-21 18:02:41,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132073 states, 132069 states have (on average 3.088014598429609) internal successors, (407831), 132072 states have internal predecessors, (407831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132073 states to 132073 states and 407831 transitions. [2021-05-21 18:02:42,073 INFO L78 Accepts]: Start accepts. Automaton has 132073 states and 407831 transitions. Word has length 103 [2021-05-21 18:02:42,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:02:42,073 INFO L482 AbstractCegarLoop]: Abstraction has 132073 states and 407831 transitions. [2021-05-21 18:02:42,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:42,074 INFO L276 IsEmpty]: Start isEmpty. Operand 132073 states and 407831 transitions. [2021-05-21 18:02:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:02:42,175 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:02:42,175 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, 1, 1, 1, 1, 1] [2021-05-21 18:02:42,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-05-21 18:02:42,175 INFO L430 AbstractCegarLoop]: === Iteration 28 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:02:42,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:02:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash 569628333, now seen corresponding path program 22 times [2021-05-21 18:02:42,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:02:42,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145650859] [2021-05-21 18:02:42,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:02:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:02:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:02:42,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:02:42,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145650859] [2021-05-21 18:02:42,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145650859] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:02:42,886 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:02:42,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:02:42,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124992204] [2021-05-21 18:02:42,887 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:02:42,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:02:42,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:02:42,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:02:42,887 INFO L87 Difference]: Start difference. First operand 132073 states and 407831 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:44,259 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-05-21 18:02:45,136 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2021-05-21 18:02:45,425 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-05-21 18:02:45,603 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-05-21 18:02:45,794 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-05-21 18:02:46,001 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-21 18:02:46,172 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 80 [2021-05-21 18:02:46,379 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-05-21 18:02:46,734 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-05-21 18:02:46,949 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-05-21 18:02:47,126 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-21 18:02:47,294 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-05-21 18:02:47,487 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2021-05-21 18:02:47,672 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 85 [2021-05-21 18:02:47,860 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-21 18:02:48,082 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 88 [2021-05-21 18:02:48,333 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 86 [2021-05-21 18:02:48,615 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-21 18:02:48,847 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 89 [2021-05-21 18:02:49,202 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-05-21 18:02:49,634 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-21 18:02:51,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:02:51,876 INFO L93 Difference]: Finished difference Result 162079 states and 500347 transitions. [2021-05-21 18:02:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-21 18:02:51,876 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:02:51,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:02:52,145 INFO L225 Difference]: With dead ends: 162079 [2021-05-21 18:02:52,145 INFO L226 Difference]: Without dead ends: 162079 [2021-05-21 18:02:52,145 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 6263.8ms TimeCoverageRelationStatistics Valid=1495, Invalid=4357, Unknown=0, NotChecked=0, Total=5852 [2021-05-21 18:02:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162079 states. [2021-05-21 18:02:54,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162079 to 134023. [2021-05-21 18:02:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134023 states, 134019 states have (on average 3.0874428252710437) internal successors, (413776), 134022 states have internal predecessors, (413776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134023 states to 134023 states and 413776 transitions. [2021-05-21 18:02:55,373 INFO L78 Accepts]: Start accepts. Automaton has 134023 states and 413776 transitions. Word has length 103 [2021-05-21 18:02:55,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:02:55,373 INFO L482 AbstractCegarLoop]: Abstraction has 134023 states and 413776 transitions. [2021-05-21 18:02:55,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 134023 states and 413776 transitions. [2021-05-21 18:02:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:02:55,478 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:02:55,478 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, 1, 1, 1, 1, 1] [2021-05-21 18:02:55,478 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-21 18:02:55,478 INFO L430 AbstractCegarLoop]: === Iteration 29 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:02:55,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:02:55,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1843516333, now seen corresponding path program 23 times [2021-05-21 18:02:55,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:02:55,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673817079] [2021-05-21 18:02:55,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:02:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:02:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:02:56,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:02:56,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673817079] [2021-05-21 18:02:56,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673817079] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:02:56,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:02:56,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:02:56,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47962461] [2021-05-21 18:02:56,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:02:56,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:02:56,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:02:56,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:02:56,849 INFO L87 Difference]: Start difference. First operand 134023 states and 413776 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:02:58,625 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-05-21 18:02:58,901 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-05-21 18:02:59,364 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-05-21 18:02:59,557 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-21 18:02:59,726 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2021-05-21 18:02:59,941 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-05-21 18:03:00,126 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 80 [2021-05-21 18:03:00,361 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-21 18:03:00,543 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-21 18:03:00,716 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-21 18:03:00,949 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-05-21 18:03:01,138 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-05-21 18:03:01,315 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-05-21 18:03:01,524 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-21 18:03:01,740 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 18:03:01,937 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-05-21 18:03:02,141 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-21 18:03:02,351 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-05-21 18:03:02,604 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-21 18:03:02,805 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 18:03:03,057 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:03:03,297 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-05-21 18:03:03,524 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-05-21 18:03:03,780 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-05-21 18:03:04,152 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 92 [2021-05-21 18:03:04,586 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-05-21 18:03:06,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:03:06,830 INFO L93 Difference]: Finished difference Result 164989 states and 509444 transitions. [2021-05-21 18:03:06,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-21 18:03:06,830 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:03:06,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:03:07,085 INFO L225 Difference]: With dead ends: 164989 [2021-05-21 18:03:07,085 INFO L226 Difference]: Without dead ends: 164989 [2021-05-21 18:03:07,086 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 7985.6ms TimeCoverageRelationStatistics Valid=1749, Invalid=5057, Unknown=0, NotChecked=0, Total=6806 [2021-05-21 18:03:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164989 states. [2021-05-21 18:03:09,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164989 to 134293. [2021-05-21 18:03:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134293 states, 134289 states have (on average 3.0875574321053847) internal successors, (414625), 134292 states have internal predecessors, (414625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:10,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134293 states to 134293 states and 414625 transitions. [2021-05-21 18:03:10,355 INFO L78 Accepts]: Start accepts. Automaton has 134293 states and 414625 transitions. Word has length 103 [2021-05-21 18:03:10,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:03:10,356 INFO L482 AbstractCegarLoop]: Abstraction has 134293 states and 414625 transitions. [2021-05-21 18:03:10,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 134293 states and 414625 transitions. [2021-05-21 18:03:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:03:10,460 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:03:10,460 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, 1, 1, 1, 1, 1] [2021-05-21 18:03:10,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-05-21 18:03:10,460 INFO L430 AbstractCegarLoop]: === Iteration 30 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:03:10,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:03:10,460 INFO L82 PathProgramCache]: Analyzing trace with hash 379811335, now seen corresponding path program 24 times [2021-05-21 18:03:10,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:03:10,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764797142] [2021-05-21 18:03:10,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:03:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:03:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:03:11,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:03:11,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764797142] [2021-05-21 18:03:11,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764797142] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:03:11,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:03:11,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:03:11,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808123319] [2021-05-21 18:03:11,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:03:11,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:03:11,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:03:11,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:03:11,537 INFO L87 Difference]: Start difference. First operand 134293 states and 414625 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:13,362 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-05-21 18:03:13,629 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-05-21 18:03:13,809 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-05-21 18:03:14,274 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-05-21 18:03:14,439 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-05-21 18:03:14,648 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-05-21 18:03:14,828 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-05-21 18:03:15,041 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-05-21 18:03:15,220 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-21 18:03:15,389 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-05-21 18:03:15,617 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-05-21 18:03:15,805 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 84 [2021-05-21 18:03:15,977 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-05-21 18:03:16,181 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2021-05-21 18:03:16,402 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2021-05-21 18:03:16,616 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2021-05-21 18:03:16,818 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-05-21 18:03:17,028 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2021-05-21 18:03:17,281 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:03:17,486 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 87 [2021-05-21 18:03:17,715 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-21 18:03:17,902 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-05-21 18:03:18,128 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:03:18,321 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-21 18:03:18,565 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:03:18,916 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-05-21 18:03:19,319 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-05-21 18:03:19,751 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 18:03:20,179 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-21 18:03:21,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:03:21,826 INFO L93 Difference]: Finished difference Result 164599 states and 508231 transitions. [2021-05-21 18:03:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-05-21 18:03:21,826 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:03:21,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:03:22,076 INFO L225 Difference]: With dead ends: 164599 [2021-05-21 18:03:22,076 INFO L226 Difference]: Without dead ends: 164599 [2021-05-21 18:03:22,077 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 8009.1ms TimeCoverageRelationStatistics Valid=1900, Invalid=5410, Unknown=0, NotChecked=0, Total=7310 [2021-05-21 18:03:23,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164599 states. [2021-05-21 18:03:24,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164599 to 134323. [2021-05-21 18:03:25,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134323 states, 134319 states have (on average 3.0875453212129336) internal successors, (414716), 134322 states have internal predecessors, (414716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134323 states to 134323 states and 414716 transitions. [2021-05-21 18:03:25,425 INFO L78 Accepts]: Start accepts. Automaton has 134323 states and 414716 transitions. Word has length 103 [2021-05-21 18:03:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:03:25,425 INFO L482 AbstractCegarLoop]: Abstraction has 134323 states and 414716 transitions. [2021-05-21 18:03:25,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 134323 states and 414716 transitions. [2021-05-21 18:03:25,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:03:25,530 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:03:25,530 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, 1, 1, 1, 1, 1] [2021-05-21 18:03:25,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-05-21 18:03:25,531 INFO L430 AbstractCegarLoop]: === Iteration 31 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:03:25,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:03:25,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1856014183, now seen corresponding path program 25 times [2021-05-21 18:03:25,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:03:25,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386335254] [2021-05-21 18:03:25,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:03:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:03:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:03:26,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:03:26,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386335254] [2021-05-21 18:03:26,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386335254] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:03:26,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:03:26,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 18:03:26,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135649657] [2021-05-21 18:03:26,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 18:03:26,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:03:26,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 18:03:26,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-05-21 18:03:26,877 INFO L87 Difference]: Start difference. First operand 134323 states and 414716 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:28,526 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-05-21 18:03:29,071 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-05-21 18:03:29,245 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-21 18:03:29,434 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-05-21 18:03:29,598 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-05-21 18:03:29,804 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-05-21 18:03:29,978 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-05-21 18:03:30,204 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-05-21 18:03:30,382 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-05-21 18:03:30,549 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-05-21 18:03:30,772 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-05-21 18:03:30,962 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 18:03:31,124 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2021-05-21 18:03:31,348 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-21 18:03:31,543 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-05-21 18:03:31,727 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2021-05-21 18:03:31,926 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-05-21 18:03:32,135 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-21 18:03:32,379 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-05-21 18:03:32,581 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-05-21 18:03:32,802 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2021-05-21 18:03:32,997 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-05-21 18:03:33,219 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-05-21 18:03:33,428 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 93 [2021-05-21 18:03:33,723 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-05-21 18:03:33,997 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-05-21 18:03:34,289 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 96 [2021-05-21 18:03:34,597 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-05-21 18:03:34,907 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 97 [2021-05-21 18:03:36,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:03:36,319 INFO L93 Difference]: Finished difference Result 163669 states and 505320 transitions. [2021-05-21 18:03:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-21 18:03:36,319 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:03:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:03:36,587 INFO L225 Difference]: With dead ends: 163669 [2021-05-21 18:03:36,588 INFO L226 Difference]: Without dead ends: 163669 [2021-05-21 18:03:36,588 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 7233.1ms TimeCoverageRelationStatistics Valid=1659, Invalid=3891, Unknown=0, NotChecked=0, Total=5550 [2021-05-21 18:03:37,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163669 states. [2021-05-21 18:03:39,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163669 to 137473. [2021-05-21 18:03:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137473 states, 137469 states have (on average 3.0884854039819887) internal successors, (424571), 137472 states have internal predecessors, (424571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137473 states to 137473 states and 424571 transitions. [2021-05-21 18:03:39,770 INFO L78 Accepts]: Start accepts. Automaton has 137473 states and 424571 transitions. Word has length 103 [2021-05-21 18:03:39,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:03:39,770 INFO L482 AbstractCegarLoop]: Abstraction has 137473 states and 424571 transitions. [2021-05-21 18:03:39,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 137473 states and 424571 transitions. [2021-05-21 18:03:39,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:03:39,881 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:03:39,881 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, 1, 1, 1, 1, 1] [2021-05-21 18:03:39,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-05-21 18:03:39,881 INFO L430 AbstractCegarLoop]: === Iteration 32 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:03:39,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:03:39,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1123114259, now seen corresponding path program 26 times [2021-05-21 18:03:39,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:03:39,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537227101] [2021-05-21 18:03:39,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:03:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:03:41,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:03:41,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:03:41,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537227101] [2021-05-21 18:03:41,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537227101] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:03:41,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:03:41,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:03:41,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322503959] [2021-05-21 18:03:41,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:03:41,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:03:41,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:03:41,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:03:41,144 INFO L87 Difference]: Start difference. First operand 137473 states and 424571 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:42,931 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-05-21 18:03:43,173 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-05-21 18:03:43,687 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-05-21 18:03:43,979 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-21 18:03:44,190 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-05-21 18:03:44,403 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 18:03:44,638 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-05-21 18:03:44,874 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 18:03:45,069 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-21 18:03:45,261 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:03:45,454 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-05-21 18:03:45,669 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2021-05-21 18:03:45,877 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-05-21 18:03:46,122 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 84 [2021-05-21 18:03:46,318 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-05-21 18:03:46,625 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:03:46,834 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 92 [2021-05-21 18:03:47,185 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-05-21 18:03:47,387 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-05-21 18:03:47,758 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-05-21 18:03:48,097 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-21 18:03:48,594 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-05-21 18:03:50,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:03:50,017 INFO L93 Difference]: Finished difference Result 171919 states and 531305 transitions. [2021-05-21 18:03:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-21 18:03:50,017 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:03:50,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:03:50,297 INFO L225 Difference]: With dead ends: 171919 [2021-05-21 18:03:50,298 INFO L226 Difference]: Without dead ends: 171919 [2021-05-21 18:03:50,298 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 6603.3ms TimeCoverageRelationStatistics Valid=1536, Invalid=4626, Unknown=0, NotChecked=0, Total=6162 [2021-05-21 18:03:51,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171919 states. [2021-05-21 18:03:53,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171919 to 141133. [2021-05-21 18:03:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141133 states, 141129 states have (on average 3.0902436777699833) internal successors, (436123), 141132 states have internal predecessors, (436123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141133 states to 141133 states and 436123 transitions. [2021-05-21 18:03:54,070 INFO L78 Accepts]: Start accepts. Automaton has 141133 states and 436123 transitions. Word has length 103 [2021-05-21 18:03:54,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:03:54,071 INFO L482 AbstractCegarLoop]: Abstraction has 141133 states and 436123 transitions. [2021-05-21 18:03:54,071 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 141133 states and 436123 transitions. [2021-05-21 18:03:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:03:54,190 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:03:54,190 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, 1, 1, 1, 1, 1] [2021-05-21 18:03:54,190 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-05-21 18:03:54,190 INFO L430 AbstractCegarLoop]: === Iteration 33 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:03:54,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:03:54,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1100213409, now seen corresponding path program 27 times [2021-05-21 18:03:54,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:03:54,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399254099] [2021-05-21 18:03:54,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:03:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:03:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:03:54,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:03:54,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399254099] [2021-05-21 18:03:54,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399254099] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:03:54,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:03:54,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:03:54,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666164344] [2021-05-21 18:03:54,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:03:54,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:03:54,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:03:54,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:03:54,765 INFO L87 Difference]: Start difference. First operand 141133 states and 436123 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:03:55,679 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2021-05-21 18:03:57,007 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-05-21 18:03:57,245 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-05-21 18:03:57,467 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-05-21 18:03:57,671 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-05-21 18:03:57,894 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-21 18:03:58,383 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-21 18:03:58,649 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-05-21 18:03:58,946 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2021-05-21 18:03:59,205 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-05-21 18:03:59,507 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-05-21 18:03:59,751 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-21 18:04:00,046 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-05-21 18:04:00,232 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-05-21 18:04:00,480 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:04:00,679 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-21 18:04:00,889 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-05-21 18:04:01,106 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-21 18:04:01,315 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-21 18:04:01,534 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:04:01,759 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 18:04:02,084 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-21 18:04:02,500 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-05-21 18:04:02,932 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-05-21 18:04:03,424 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 88 [2021-05-21 18:04:04,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:04:04,986 INFO L93 Difference]: Finished difference Result 169279 states and 522877 transitions. [2021-05-21 18:04:04,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-05-21 18:04:04,986 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:04:04,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:04:05,267 INFO L225 Difference]: With dead ends: 169279 [2021-05-21 18:04:05,267 INFO L226 Difference]: Without dead ends: 169279 [2021-05-21 18:04:05,268 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 7523.6ms TimeCoverageRelationStatistics Valid=1630, Invalid=4850, Unknown=0, NotChecked=0, Total=6480 [2021-05-21 18:04:06,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169279 states. [2021-05-21 18:04:08,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169279 to 141133. [2021-05-21 18:04:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141133 states, 141129 states have (on average 3.0898185348156653) internal successors, (436063), 141132 states have internal predecessors, (436063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:09,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141133 states to 141133 states and 436063 transitions. [2021-05-21 18:04:09,070 INFO L78 Accepts]: Start accepts. Automaton has 141133 states and 436063 transitions. Word has length 103 [2021-05-21 18:04:09,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:04:09,071 INFO L482 AbstractCegarLoop]: Abstraction has 141133 states and 436063 transitions. [2021-05-21 18:04:09,071 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:09,071 INFO L276 IsEmpty]: Start isEmpty. Operand 141133 states and 436063 transitions. [2021-05-21 18:04:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:04:09,189 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:04:09,189 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, 1, 1, 1, 1, 1] [2021-05-21 18:04:09,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-05-21 18:04:09,189 INFO L430 AbstractCegarLoop]: === Iteration 34 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:04:09,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:04:09,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1718551039, now seen corresponding path program 28 times [2021-05-21 18:04:09,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:04:09,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510157954] [2021-05-21 18:04:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:04:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:04:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:04:09,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:04:09,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510157954] [2021-05-21 18:04:09,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510157954] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:04:09,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:04:09,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:04:09,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137560492] [2021-05-21 18:04:09,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:04:09,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:04:09,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:04:09,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:04:09,938 INFO L87 Difference]: Start difference. First operand 141133 states and 436063 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:12,058 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-05-21 18:04:12,289 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-05-21 18:04:12,476 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-05-21 18:04:12,653 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-21 18:04:12,810 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-05-21 18:04:13,183 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-05-21 18:04:13,354 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-05-21 18:04:13,573 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-05-21 18:04:13,759 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-05-21 18:04:13,986 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-05-21 18:04:14,163 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-21 18:04:14,334 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2021-05-21 18:04:14,573 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-05-21 18:04:14,765 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 18:04:14,939 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-05-21 18:04:15,154 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-21 18:04:15,352 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-05-21 18:04:15,571 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-05-21 18:04:15,780 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-05-21 18:04:15,995 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-21 18:04:16,258 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-21 18:04:16,465 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-05-21 18:04:16,694 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2021-05-21 18:04:16,901 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-05-21 18:04:17,126 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-21 18:04:17,347 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 93 [2021-05-21 18:04:17,630 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-05-21 18:04:17,957 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-05-21 18:04:18,273 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2021-05-21 18:04:18,609 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 92 [2021-05-21 18:04:18,943 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 97 [2021-05-21 18:04:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:04:20,502 INFO L93 Difference]: Finished difference Result 169339 states and 522969 transitions. [2021-05-21 18:04:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-21 18:04:20,503 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:04:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:04:20,762 INFO L225 Difference]: With dead ends: 169339 [2021-05-21 18:04:20,762 INFO L226 Difference]: Without dead ends: 169339 [2021-05-21 18:04:20,763 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 7569.2ms TimeCoverageRelationStatistics Valid=1760, Invalid=4246, Unknown=0, NotChecked=0, Total=6006 [2021-05-21 18:04:21,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169339 states. [2021-05-21 18:04:23,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169339 to 138283. [2021-05-21 18:04:23,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138283 states, 138279 states have (on average 3.088813196508508) internal successors, (427118), 138282 states have internal predecessors, (427118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138283 states to 138283 states and 427118 transitions. [2021-05-21 18:04:24,104 INFO L78 Accepts]: Start accepts. Automaton has 138283 states and 427118 transitions. Word has length 103 [2021-05-21 18:04:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:04:24,105 INFO L482 AbstractCegarLoop]: Abstraction has 138283 states and 427118 transitions. [2021-05-21 18:04:24,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 138283 states and 427118 transitions. [2021-05-21 18:04:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:04:24,224 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:04:24,224 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, 1, 1, 1, 1, 1] [2021-05-21 18:04:24,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-05-21 18:04:24,224 INFO L430 AbstractCegarLoop]: === Iteration 35 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:04:24,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:04:24,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1572884243, now seen corresponding path program 29 times [2021-05-21 18:04:24,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:04:24,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811237770] [2021-05-21 18:04:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:04:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:04:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:04:25,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:04:25,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811237770] [2021-05-21 18:04:25,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811237770] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:04:25,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:04:25,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:04:25,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849682678] [2021-05-21 18:04:25,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:04:25,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:04:25,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:04:25,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:04:25,423 INFO L87 Difference]: Start difference. First operand 138283 states and 427118 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:27,361 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-05-21 18:04:27,606 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-05-21 18:04:28,128 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-05-21 18:04:28,457 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 76 [2021-05-21 18:04:28,712 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-05-21 18:04:28,916 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-21 18:04:29,218 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-21 18:04:29,574 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-05-21 18:04:29,933 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-05-21 18:04:30,296 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-21 18:04:30,727 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-21 18:04:32,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:04:32,048 INFO L93 Difference]: Finished difference Result 166309 states and 513448 transitions. [2021-05-21 18:04:32,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-21 18:04:32,048 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:04:32,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:04:32,307 INFO L225 Difference]: With dead ends: 166309 [2021-05-21 18:04:32,308 INFO L226 Difference]: Without dead ends: 166309 [2021-05-21 18:04:32,308 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 4842.6ms TimeCoverageRelationStatistics Valid=1010, Invalid=3546, Unknown=0, NotChecked=0, Total=4556 [2021-05-21 18:04:33,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166309 states. [2021-05-21 18:04:35,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166309 to 138763. [2021-05-21 18:04:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138763 states, 138759 states have (on average 3.0886212786197653) internal successors, (428574), 138762 states have internal predecessors, (428574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138763 states to 138763 states and 428574 transitions. [2021-05-21 18:04:36,074 INFO L78 Accepts]: Start accepts. Automaton has 138763 states and 428574 transitions. Word has length 103 [2021-05-21 18:04:36,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:04:36,074 INFO L482 AbstractCegarLoop]: Abstraction has 138763 states and 428574 transitions. [2021-05-21 18:04:36,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 138763 states and 428574 transitions. [2021-05-21 18:04:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:04:36,188 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:04:36,188 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, 1, 1, 1, 1, 1] [2021-05-21 18:04:36,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-05-21 18:04:36,188 INFO L430 AbstractCegarLoop]: === Iteration 36 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:04:36,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:04:36,188 INFO L82 PathProgramCache]: Analyzing trace with hash -96681395, now seen corresponding path program 30 times [2021-05-21 18:04:36,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:04:36,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857369755] [2021-05-21 18:04:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:04:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:04:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:04:36,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:04:36,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857369755] [2021-05-21 18:04:36,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857369755] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:04:36,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:04:36,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 18:04:36,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049799976] [2021-05-21 18:04:36,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 18:04:36,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:04:36,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 18:04:36,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-05-21 18:04:36,870 INFO L87 Difference]: Start difference. First operand 138763 states and 428574 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:39,183 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-05-21 18:04:39,423 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-05-21 18:04:39,612 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-05-21 18:04:39,793 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-21 18:04:39,950 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-05-21 18:04:40,153 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-21 18:04:40,508 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2021-05-21 18:04:40,720 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-05-21 18:04:40,913 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-05-21 18:04:41,135 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-21 18:04:41,319 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-21 18:04:41,491 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2021-05-21 18:04:41,724 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-05-21 18:04:41,915 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-21 18:04:42,088 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-05-21 18:04:42,294 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2021-05-21 18:04:42,496 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 18:04:42,681 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-05-21 18:04:42,881 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-05-21 18:04:43,087 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-21 18:04:43,302 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-21 18:04:43,571 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-21 18:04:43,776 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-05-21 18:04:44,018 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-21 18:04:44,223 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-05-21 18:04:44,459 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-05-21 18:04:44,672 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 93 [2021-05-21 18:04:44,957 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2021-05-21 18:04:45,288 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 100 [2021-05-21 18:04:45,559 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 96 [2021-05-21 18:04:45,871 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 92 [2021-05-21 18:04:46,146 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-05-21 18:04:47,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:04:47,884 INFO L93 Difference]: Finished difference Result 166033 states and 512633 transitions. [2021-05-21 18:04:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-21 18:04:47,885 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:04:47,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:04:48,130 INFO L225 Difference]: With dead ends: 166033 [2021-05-21 18:04:48,130 INFO L226 Difference]: Without dead ends: 166033 [2021-05-21 18:04:48,131 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 7608.2ms TimeCoverageRelationStatistics Valid=1778, Invalid=4228, Unknown=0, NotChecked=0, Total=6006 [2021-05-21 18:04:49,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166033 states. [2021-05-21 18:04:50,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166033 to 138763. [2021-05-21 18:04:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138763 states, 138759 states have (on average 3.0886212786197653) internal successors, (428574), 138762 states have internal predecessors, (428574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138763 states to 138763 states and 428574 transitions. [2021-05-21 18:04:51,425 INFO L78 Accepts]: Start accepts. Automaton has 138763 states and 428574 transitions. Word has length 103 [2021-05-21 18:04:51,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:04:51,425 INFO L482 AbstractCegarLoop]: Abstraction has 138763 states and 428574 transitions. [2021-05-21 18:04:51,426 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 138763 states and 428574 transitions. [2021-05-21 18:04:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:04:51,539 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:04:51,539 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, 1, 1, 1, 1, 1] [2021-05-21 18:04:51,539 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-05-21 18:04:51,539 INFO L430 AbstractCegarLoop]: === Iteration 37 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:04:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:04:51,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1795062817, now seen corresponding path program 31 times [2021-05-21 18:04:51,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:04:51,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460819274] [2021-05-21 18:04:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:04:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:04:52,179 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2021-05-21 18:04:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:04:52,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:04:52,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460819274] [2021-05-21 18:04:52,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460819274] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:04:52,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:04:52,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:04:52,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726128372] [2021-05-21 18:04:52,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:04:52,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:04:52,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:04:52,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:04:52,968 INFO L87 Difference]: Start difference. First operand 138763 states and 428574 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:04:53,983 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-05-21 18:04:54,172 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-05-21 18:04:54,380 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-05-21 18:04:55,016 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-05-21 18:04:55,377 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-05-21 18:04:55,620 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 70 [2021-05-21 18:04:55,824 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 70 [2021-05-21 18:04:56,024 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-05-21 18:04:56,202 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-21 18:04:56,420 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2021-05-21 18:04:56,608 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-05-21 18:04:56,839 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-05-21 18:04:57,095 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-05-21 18:04:57,335 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-05-21 18:04:57,558 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-05-21 18:04:57,743 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-21 18:04:57,986 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-05-21 18:04:58,197 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-05-21 18:04:58,382 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-05-21 18:04:58,617 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-05-21 18:04:58,835 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-05-21 18:04:59,038 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-05-21 18:04:59,231 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-05-21 18:04:59,473 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-05-21 18:04:59,739 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-05-21 18:05:00,015 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2021-05-21 18:05:00,240 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-05-21 18:05:00,506 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-05-21 18:05:00,731 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 89 [2021-05-21 18:05:00,983 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-05-21 18:05:01,216 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-05-21 18:05:01,518 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 95 [2021-05-21 18:05:01,826 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 98 [2021-05-21 18:05:02,195 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 96 [2021-05-21 18:05:02,543 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 92 [2021-05-21 18:05:02,897 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 97 [2021-05-21 18:05:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:05:04,230 INFO L93 Difference]: Finished difference Result 177301 states and 547670 transitions. [2021-05-21 18:05:04,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-21 18:05:04,230 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:05:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:05:04,713 INFO L225 Difference]: With dead ends: 177301 [2021-05-21 18:05:04,713 INFO L226 Difference]: Without dead ends: 177301 [2021-05-21 18:05:04,713 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 9596.8ms TimeCoverageRelationStatistics Valid=1987, Invalid=4655, Unknown=0, NotChecked=0, Total=6642 [2021-05-21 18:05:05,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177301 states. [2021-05-21 18:05:07,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177301 to 132133. [2021-05-21 18:05:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132133 states, 132129 states have (on average 3.087989767575627) internal successors, (408013), 132132 states have internal predecessors, (408013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:05:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132133 states to 132133 states and 408013 transitions. [2021-05-21 18:05:08,153 INFO L78 Accepts]: Start accepts. Automaton has 132133 states and 408013 transitions. Word has length 103 [2021-05-21 18:05:08,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:05:08,153 INFO L482 AbstractCegarLoop]: Abstraction has 132133 states and 408013 transitions. [2021-05-21 18:05:08,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:05:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 132133 states and 408013 transitions. [2021-05-21 18:05:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:05:08,259 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:05:08,259 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, 1, 1, 1, 1, 1] [2021-05-21 18:05:08,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-05-21 18:05:08,259 INFO L430 AbstractCegarLoop]: === Iteration 38 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:05:08,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:05:08,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1074472369, now seen corresponding path program 32 times [2021-05-21 18:05:08,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:05:08,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659019479] [2021-05-21 18:05:08,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:05:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:05:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:05:08,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:05:08,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659019479] [2021-05-21 18:05:08,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659019479] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:05:08,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:05:08,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 18:05:08,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228146035] [2021-05-21 18:05:08,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 18:05:08,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:05:08,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 18:05:08,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-05-21 18:05:08,882 INFO L87 Difference]: Start difference. First operand 132133 states and 408013 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:05:11,638 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-05-21 18:05:12,092 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-05-21 18:05:12,277 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-21 18:05:12,474 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-05-21 18:05:13,313 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-21 18:05:13,756 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-05-21 18:05:14,301 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-05-21 18:05:14,935 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-05-21 18:05:15,458 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-05-21 18:05:15,607 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-05-21 18:05:15,760 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2021-05-21 18:05:16,001 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-05-21 18:05:16,156 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-05-21 18:05:16,324 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-05-21 18:05:16,498 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-05-21 18:05:16,963 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-05-21 18:05:17,129 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2021-05-21 18:05:17,280 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2021-05-21 18:05:17,643 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-05-21 18:05:17,836 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-05-21 18:05:17,988 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-05-21 18:05:18,416 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-05-21 18:05:18,592 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-05-21 18:05:18,765 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-05-21 18:05:18,922 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-05-21 18:05:19,224 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-05-21 18:05:19,402 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-05-21 18:05:19,585 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-21 18:05:19,785 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-05-21 18:05:20,127 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 83 [2021-05-21 18:05:20,322 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-21 18:05:20,530 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-05-21 18:05:20,816 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 86 [2021-05-21 18:05:21,022 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-21 18:05:21,248 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-21 18:05:21,628 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2021-05-21 18:05:21,850 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-21 18:05:22,079 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-05-21 18:05:22,281 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-05-21 18:05:22,544 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-05-21 18:05:22,783 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-21 18:05:22,999 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-21 18:05:23,195 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-21 18:05:23,464 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 86 [2021-05-21 18:05:23,693 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-21 18:05:23,927 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-05-21 18:05:24,125 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-05-21 18:05:24,333 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-05-21 18:05:24,512 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-05-21 18:05:24,789 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-05-21 18:05:25,046 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-05-21 18:05:25,394 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-21 18:05:25,638 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-21 18:05:25,958 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-05-21 18:05:26,183 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 93 [2021-05-21 18:05:26,517 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 91 [2021-05-21 18:05:26,756 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-21 18:05:27,177 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-05-21 18:05:27,572 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-05-21 18:05:28,004 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-05-21 18:05:28,379 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2021-05-21 18:05:28,751 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 101 [2021-05-21 18:05:30,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:05:30,856 INFO L93 Difference]: Finished difference Result 211427 states and 653087 transitions. [2021-05-21 18:05:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-05-21 18:05:30,856 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:05:30,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:05:31,222 INFO L225 Difference]: With dead ends: 211427 [2021-05-21 18:05:31,222 INFO L226 Difference]: Without dead ends: 211427 [2021-05-21 18:05:31,223 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4035 ImplicationChecksByTransitivity, 16525.6ms TimeCoverageRelationStatistics Valid=5676, Invalid=14916, Unknown=0, NotChecked=0, Total=20592 [2021-05-21 18:05:32,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211427 states. [2021-05-21 18:05:34,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211427 to 132073. [2021-05-21 18:05:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132073 states, 132069 states have (on average 3.088014598429609) internal successors, (407831), 132072 states have internal predecessors, (407831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:05:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132073 states to 132073 states and 407831 transitions. [2021-05-21 18:05:35,249 INFO L78 Accepts]: Start accepts. Automaton has 132073 states and 407831 transitions. Word has length 103 [2021-05-21 18:05:35,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:05:35,249 INFO L482 AbstractCegarLoop]: Abstraction has 132073 states and 407831 transitions. [2021-05-21 18:05:35,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:05:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 132073 states and 407831 transitions. [2021-05-21 18:05:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:05:35,355 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:05:35,355 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, 1, 1, 1, 1, 1] [2021-05-21 18:05:35,355 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-05-21 18:05:35,355 INFO L430 AbstractCegarLoop]: === Iteration 39 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:05:35,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:05:35,356 INFO L82 PathProgramCache]: Analyzing trace with hash 466780323, now seen corresponding path program 33 times [2021-05-21 18:05:35,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:05:35,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38797194] [2021-05-21 18:05:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:05:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:05:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:05:36,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:05:36,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38797194] [2021-05-21 18:05:36,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38797194] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:05:36,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:05:36,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 18:05:36,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037312165] [2021-05-21 18:05:36,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 18:05:36,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:05:36,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 18:05:36,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2021-05-21 18:05:36,039 INFO L87 Difference]: Start difference. First operand 132073 states and 407831 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:05:36,993 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2021-05-21 18:05:38,808 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-05-21 18:05:39,091 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-05-21 18:05:39,457 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-05-21 18:05:40,010 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-05-21 18:05:40,393 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-05-21 18:05:40,813 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-05-21 18:05:41,879 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-05-21 18:05:42,396 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-05-21 18:05:42,540 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-05-21 18:05:42,932 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-05-21 18:05:43,099 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2021-05-21 18:05:43,268 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-05-21 18:05:43,717 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 82 [2021-05-21 18:05:43,879 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2021-05-21 18:05:44,361 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-05-21 18:05:44,573 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-05-21 18:05:45,140 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-05-21 18:05:45,311 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-05-21 18:05:45,464 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2021-05-21 18:05:45,757 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-05-21 18:05:45,935 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2021-05-21 18:05:46,117 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 82 [2021-05-21 18:05:46,450 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-05-21 18:05:46,648 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 83 [2021-05-21 18:05:46,902 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-05-21 18:05:47,139 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-05-21 18:05:47,514 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-21 18:05:47,707 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-05-21 18:05:47,901 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 84 [2021-05-21 18:05:48,191 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-21 18:05:48,397 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 87 [2021-05-21 18:05:48,592 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2021-05-21 18:05:48,990 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-05-21 18:05:49,213 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 92 [2021-05-21 18:05:49,439 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 91 [2021-05-21 18:05:49,645 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-05-21 18:05:50,038 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-05-21 18:05:50,278 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 95 [2021-05-21 18:05:50,457 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-05-21 18:05:50,719 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 89 [2021-05-21 18:05:50,950 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 93 [2021-05-21 18:05:51,130 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-05-21 18:05:51,386 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 89 [2021-05-21 18:05:51,599 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 96 [2021-05-21 18:05:51,939 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 94 [2021-05-21 18:05:52,165 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 99 [2021-05-21 18:05:52,366 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-05-21 18:05:52,644 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 101 [2021-05-21 18:05:53,006 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 104 [2021-05-21 18:05:53,214 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2021-05-21 18:05:53,504 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 102 [2021-05-21 18:05:53,849 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 98 [2021-05-21 18:05:54,258 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2021-05-21 18:05:54,514 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2021-05-21 18:05:56,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:05:56,397 INFO L93 Difference]: Finished difference Result 184277 states and 568152 transitions. [2021-05-21 18:05:56,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-05-21 18:05:56,398 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:05:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:05:57,011 INFO L225 Difference]: With dead ends: 184277 [2021-05-21 18:05:57,011 INFO L226 Difference]: Without dead ends: 184277 [2021-05-21 18:05:57,012 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4220 ImplicationChecksByTransitivity, 15901.5ms TimeCoverageRelationStatistics Valid=5392, Invalid=14914, Unknown=0, NotChecked=0, Total=20306 [2021-05-21 18:05:58,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184277 states. [2021-05-21 18:05:59,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184277 to 139209. [2021-05-21 18:06:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139209 states, 139205 states have (on average 3.089501095506627) internal successors, (430074), 139208 states have internal predecessors, (430074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:00,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139209 states to 139209 states and 430074 transitions. [2021-05-21 18:06:00,407 INFO L78 Accepts]: Start accepts. Automaton has 139209 states and 430074 transitions. Word has length 103 [2021-05-21 18:06:00,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:06:00,407 INFO L482 AbstractCegarLoop]: Abstraction has 139209 states and 430074 transitions. [2021-05-21 18:06:00,407 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:00,407 INFO L276 IsEmpty]: Start isEmpty. Operand 139209 states and 430074 transitions. [2021-05-21 18:06:00,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:06:00,519 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:06:00,519 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, 1, 1, 1, 1, 1] [2021-05-21 18:06:00,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-05-21 18:06:00,519 INFO L430 AbstractCegarLoop]: === Iteration 40 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:06:00,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:06:00,520 INFO L82 PathProgramCache]: Analyzing trace with hash 171903739, now seen corresponding path program 34 times [2021-05-21 18:06:00,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:06:00,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697556676] [2021-05-21 18:06:00,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:06:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:06:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:06:01,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:06:01,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697556676] [2021-05-21 18:06:01,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697556676] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:06:01,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:06:01,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:06:01,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532474008] [2021-05-21 18:06:01,126 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:06:01,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:06:01,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:06:01,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:06:01,127 INFO L87 Difference]: Start difference. First operand 139209 states and 430074 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:03,382 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-05-21 18:06:03,675 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-05-21 18:06:03,859 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-05-21 18:06:04,278 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-05-21 18:06:04,471 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-05-21 18:06:04,645 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-05-21 18:06:04,848 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-05-21 18:06:05,026 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-05-21 18:06:05,244 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-05-21 18:06:05,427 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-05-21 18:06:05,595 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-05-21 18:06:05,797 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-05-21 18:06:05,987 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-05-21 18:06:06,176 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-05-21 18:06:06,414 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-05-21 18:06:06,706 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-05-21 18:06:06,960 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-05-21 18:06:07,196 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-05-21 18:06:07,525 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 92 [2021-05-21 18:06:07,962 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-05-21 18:06:10,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:06:10,098 INFO L93 Difference]: Finished difference Result 236079 states and 729981 transitions. [2021-05-21 18:06:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-21 18:06:10,098 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:06:10,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:06:10,505 INFO L225 Difference]: With dead ends: 236079 [2021-05-21 18:06:10,505 INFO L226 Difference]: Without dead ends: 236079 [2021-05-21 18:06:10,506 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 6066.8ms TimeCoverageRelationStatistics Valid=1493, Invalid=4359, Unknown=0, NotChecked=0, Total=5852 [2021-05-21 18:06:11,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236079 states. [2021-05-21 18:06:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236079 to 151299. [2021-05-21 18:06:14,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151299 states, 151295 states have (on average 3.09349945470769) internal successors, (468031), 151298 states have internal predecessors, (468031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151299 states to 151299 states and 468031 transitions. [2021-05-21 18:06:14,730 INFO L78 Accepts]: Start accepts. Automaton has 151299 states and 468031 transitions. Word has length 103 [2021-05-21 18:06:14,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:06:14,731 INFO L482 AbstractCegarLoop]: Abstraction has 151299 states and 468031 transitions. [2021-05-21 18:06:14,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 151299 states and 468031 transitions. [2021-05-21 18:06:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:06:14,864 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:06:14,864 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, 1, 1, 1, 1, 1] [2021-05-21 18:06:14,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-05-21 18:06:14,864 INFO L430 AbstractCegarLoop]: === Iteration 41 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:06:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:06:14,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2053726369, now seen corresponding path program 35 times [2021-05-21 18:06:14,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:06:14,865 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090595446] [2021-05-21 18:06:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:06:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:06:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:06:16,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:06:16,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090595446] [2021-05-21 18:06:16,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090595446] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:06:16,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:06:16,279 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:06:16,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967791948] [2021-05-21 18:06:16,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:06:16,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:06:16,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:06:16,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:06:16,280 INFO L87 Difference]: Start difference. First operand 151299 states and 468031 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:17,496 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-05-21 18:06:18,308 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-05-21 18:06:18,896 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-05-21 18:06:19,096 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-05-21 18:06:19,294 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 74 [2021-05-21 18:06:19,471 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-05-21 18:06:19,685 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-05-21 18:06:19,879 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-05-21 18:06:20,102 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-05-21 18:06:20,292 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-21 18:06:20,473 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-05-21 18:06:20,720 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 84 [2021-05-21 18:06:20,917 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-05-21 18:06:21,139 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-05-21 18:06:21,357 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-05-21 18:06:21,559 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-05-21 18:06:21,766 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-05-21 18:06:21,991 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 77 [2021-05-21 18:06:22,209 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-05-21 18:06:22,477 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-05-21 18:06:22,687 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2021-05-21 18:06:22,932 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2021-05-21 18:06:23,245 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-05-21 18:06:23,460 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 87 [2021-05-21 18:06:23,730 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 89 [2021-05-21 18:06:24,085 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 92 [2021-05-21 18:06:24,537 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 90 [2021-05-21 18:06:26,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:06:26,968 INFO L93 Difference]: Finished difference Result 241899 states and 748175 transitions. [2021-05-21 18:06:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-21 18:06:26,969 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:06:26,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:06:27,416 INFO L225 Difference]: With dead ends: 241899 [2021-05-21 18:06:27,416 INFO L226 Difference]: Without dead ends: 241899 [2021-05-21 18:06:27,417 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 7968.5ms TimeCoverageRelationStatistics Valid=1747, Invalid=5059, Unknown=0, NotChecked=0, Total=6806 [2021-05-21 18:06:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241899 states. [2021-05-21 18:06:31,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241899 to 151839. [2021-05-21 18:06:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151839 states, 151835 states have (on average 3.093680640168604) internal successors, (469729), 151838 states have internal predecessors, (469729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151839 states to 151839 states and 469729 transitions. [2021-05-21 18:06:31,567 INFO L78 Accepts]: Start accepts. Automaton has 151839 states and 469729 transitions. Word has length 103 [2021-05-21 18:06:31,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:06:31,567 INFO L482 AbstractCegarLoop]: Abstraction has 151839 states and 469729 transitions. [2021-05-21 18:06:31,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 151839 states and 469729 transitions. [2021-05-21 18:06:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:06:31,700 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:06:31,700 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, 1, 1, 1, 1, 1] [2021-05-21 18:06:31,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-05-21 18:06:31,700 INFO L430 AbstractCegarLoop]: === Iteration 42 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:06:31,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:06:31,700 INFO L82 PathProgramCache]: Analyzing trace with hash -17913259, now seen corresponding path program 36 times [2021-05-21 18:06:31,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:06:31,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447848425] [2021-05-21 18:06:31,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:06:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:06:32,410 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-05-21 18:06:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:06:32,921 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:06:32,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447848425] [2021-05-21 18:06:32,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447848425] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:06:32,922 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:06:32,922 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:06:32,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655076246] [2021-05-21 18:06:32,922 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:06:32,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:06:32,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:06:32,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:06:32,922 INFO L87 Difference]: Start difference. First operand 151839 states and 469729 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:34,088 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-05-21 18:06:34,776 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-05-21 18:06:35,428 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-05-21 18:06:35,699 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-05-21 18:06:35,970 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-05-21 18:06:36,206 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-21 18:06:36,520 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-05-21 18:06:36,747 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-05-21 18:06:37,020 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-05-21 18:06:37,223 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-05-21 18:06:37,401 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-05-21 18:06:37,643 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 84 [2021-05-21 18:06:37,842 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-05-21 18:06:38,059 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-05-21 18:06:38,276 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-05-21 18:06:38,480 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-05-21 18:06:38,678 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-05-21 18:06:38,902 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-05-21 18:06:39,123 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 89 [2021-05-21 18:06:39,383 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2021-05-21 18:06:39,597 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-05-21 18:06:39,837 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-05-21 18:06:40,032 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 80 [2021-05-21 18:06:40,324 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-05-21 18:06:40,526 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-05-21 18:06:40,782 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-05-21 18:06:41,118 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 90 [2021-05-21 18:06:41,537 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-05-21 18:06:41,984 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-05-21 18:06:42,433 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 88 [2021-05-21 18:06:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:06:44,179 INFO L93 Difference]: Finished difference Result 241119 states and 745749 transitions. [2021-05-21 18:06:44,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-05-21 18:06:44,179 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:06:44,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:06:44,624 INFO L225 Difference]: With dead ends: 241119 [2021-05-21 18:06:44,625 INFO L226 Difference]: Without dead ends: 241119 [2021-05-21 18:06:44,625 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 9027.8ms TimeCoverageRelationStatistics Valid=1898, Invalid=5412, Unknown=0, NotChecked=0, Total=7310 [2021-05-21 18:06:46,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241119 states. [2021-05-21 18:06:48,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241119 to 151899. [2021-05-21 18:06:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151899 states, 151895 states have (on average 3.093656802396392) internal successors, (469911), 151898 states have internal predecessors, (469911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151899 states to 151899 states and 469911 transitions. [2021-05-21 18:06:48,847 INFO L78 Accepts]: Start accepts. Automaton has 151899 states and 469911 transitions. Word has length 103 [2021-05-21 18:06:48,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:06:48,847 INFO L482 AbstractCegarLoop]: Abstraction has 151899 states and 469911 transitions. [2021-05-21 18:06:48,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 151899 states and 469911 transitions. [2021-05-21 18:06:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:06:48,989 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:06:48,989 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, 1, 1, 1, 1, 1] [2021-05-21 18:06:48,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-05-21 18:06:48,989 INFO L430 AbstractCegarLoop]: === Iteration 43 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:06:48,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:06:48,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1458289589, now seen corresponding path program 37 times [2021-05-21 18:06:48,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:06:48,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328429042] [2021-05-21 18:06:48,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:06:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:06:49,601 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2021-05-21 18:06:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:06:50,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:06:50,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328429042] [2021-05-21 18:06:50,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328429042] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:06:50,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:06:50,227 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 18:06:50,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743588851] [2021-05-21 18:06:50,227 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 18:06:50,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:06:50,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 18:06:50,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-05-21 18:06:50,228 INFO L87 Difference]: Start difference. First operand 151899 states and 469911 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:06:51,394 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-05-21 18:06:52,143 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-05-21 18:06:52,739 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-05-21 18:06:52,934 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2021-05-21 18:06:53,130 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-05-21 18:06:53,306 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-05-21 18:06:53,518 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 78 [2021-05-21 18:06:53,707 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-05-21 18:06:53,930 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-05-21 18:06:54,120 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-05-21 18:06:54,299 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-05-21 18:06:54,543 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 83 [2021-05-21 18:06:54,786 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-05-21 18:06:54,961 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-05-21 18:06:55,180 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 81 [2021-05-21 18:06:55,389 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 85 [2021-05-21 18:06:55,586 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-05-21 18:06:55,812 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-05-21 18:06:56,037 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 88 [2021-05-21 18:06:56,297 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-05-21 18:06:56,515 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-05-21 18:06:56,757 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-05-21 18:06:57,018 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 89 [2021-05-21 18:06:57,257 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-05-21 18:06:57,482 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 93 [2021-05-21 18:06:57,770 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 95 [2021-05-21 18:06:58,064 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 98 [2021-05-21 18:06:58,383 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 96 [2021-05-21 18:06:58,720 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 92 [2021-05-21 18:06:59,055 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 97 [2021-05-21 18:07:00,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:07:00,600 INFO L93 Difference]: Finished difference Result 240339 states and 743293 transitions. [2021-05-21 18:07:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-21 18:07:00,600 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:07:00,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:07:01,015 INFO L225 Difference]: With dead ends: 240339 [2021-05-21 18:07:01,015 INFO L226 Difference]: Without dead ends: 240339 [2021-05-21 18:07:01,016 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 7825.1ms TimeCoverageRelationStatistics Valid=1657, Invalid=3893, Unknown=0, NotChecked=0, Total=5550 [2021-05-21 18:07:02,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240339 states. [2021-05-21 18:07:04,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240339 to 158919. [2021-05-21 18:07:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158919 states, 158915 states have (on average 3.0947676430796336) internal successors, (491805), 158918 states have internal predecessors, (491805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:07:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158919 states to 158919 states and 491805 transitions. [2021-05-21 18:07:05,378 INFO L78 Accepts]: Start accepts. Automaton has 158919 states and 491805 transitions. Word has length 103 [2021-05-21 18:07:05,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:07:05,378 INFO L482 AbstractCegarLoop]: Abstraction has 158919 states and 491805 transitions. [2021-05-21 18:07:05,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:07:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 158919 states and 491805 transitions. [2021-05-21 18:07:06,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:07:06,208 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:07:06,208 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, 1, 1, 1, 1, 1] [2021-05-21 18:07:06,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-05-21 18:07:06,208 INFO L430 AbstractCegarLoop]: === Iteration 44 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:07:06,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:07:06,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1520838853, now seen corresponding path program 38 times [2021-05-21 18:07:06,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:07:06,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363492460] [2021-05-21 18:07:06,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:07:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:07:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:07:06,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:07:06,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363492460] [2021-05-21 18:07:06,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363492460] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:07:06,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:07:06,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:07:06,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94231326] [2021-05-21 18:07:06,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:07:06,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:07:06,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:07:06,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:07:06,963 INFO L87 Difference]: Start difference. First operand 158919 states and 491805 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:07:08,152 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-05-21 18:07:09,276 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-05-21 18:07:09,523 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-05-21 18:07:09,766 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-05-21 18:07:10,054 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-21 18:07:10,276 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-05-21 18:07:10,499 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-05-21 18:07:10,752 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-05-21 18:07:10,998 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2021-05-21 18:07:11,205 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-21 18:07:11,481 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2021-05-21 18:07:11,687 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-05-21 18:07:11,891 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-05-21 18:07:12,116 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-05-21 18:07:12,346 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 84 [2021-05-21 18:07:12,553 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 89 [2021-05-21 18:07:12,874 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2021-05-21 18:07:13,095 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 92 [2021-05-21 18:07:13,462 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 73 [2021-05-21 18:07:13,761 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-05-21 18:07:14,168 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-05-21 18:07:14,521 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-05-21 18:07:15,002 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-05-21 18:07:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:07:16,724 INFO L93 Difference]: Finished difference Result 255489 states and 791078 transitions. [2021-05-21 18:07:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-21 18:07:16,724 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-05-21 18:07:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:07:17,223 INFO L225 Difference]: With dead ends: 255489 [2021-05-21 18:07:17,223 INFO L226 Difference]: Without dead ends: 255489 [2021-05-21 18:07:17,223 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 6604.3ms TimeCoverageRelationStatistics Valid=1534, Invalid=4628, Unknown=0, NotChecked=0, Total=6162 [2021-05-21 18:07:18,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255489 states. [2021-05-21 18:07:21,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255489 to 166239. [2021-05-21 18:07:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166239 states, 166235 states have (on average 3.0974764640418684) internal successors, (514909), 166238 states have internal predecessors, (514909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:07:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166239 states to 166239 states and 514909 transitions. [2021-05-21 18:07:21,834 INFO L78 Accepts]: Start accepts. Automaton has 166239 states and 514909 transitions. Word has length 103 [2021-05-21 18:07:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:07:21,834 INFO L482 AbstractCegarLoop]: Abstraction has 166239 states and 514909 transitions. [2021-05-21 18:07:21,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:07:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 166239 states and 514909 transitions. [2021-05-21 18:07:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-05-21 18:07:22,011 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:07:22,011 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, 1, 1, 1, 1, 1] [2021-05-21 18:07:22,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-05-21 18:07:22,012 INFO L430 AbstractCegarLoop]: === Iteration 45 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:07:22,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:07:22,012 INFO L82 PathProgramCache]: Analyzing trace with hash 702488815, now seen corresponding path program 39 times [2021-05-21 18:07:22,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:07:22,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072366765] [2021-05-21 18:07:22,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:07:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:07:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:07:23,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:07:23,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072366765] [2021-05-21 18:07:23,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072366765] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:07:23,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:07:23,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-21 18:07:23,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974946554] [2021-05-21 18:07:23,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-21 18:07:23,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:07:23,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-21 18:07:23,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2021-05-21 18:07:23,475 INFO L87 Difference]: Start difference. First operand 166239 states and 514909 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:07:24,669 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-05-21 18:07:25,742 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-05-21 18:07:25,991 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 Received shutdown request... [2021-05-21 18:07:26,110 WARN L222 SmtUtils]: Removed 50 from assertion stack [2021-05-21 18:07:26,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-21 18:07:26,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-05-21 18:07:26,111 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-21 18:07:26,113 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 18:07:26,115 WARN L196 ceAbstractionStarter]: Timeout [2021-05-21 18:07:26,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 06:07:26 BasicIcfg [2021-05-21 18:07:26,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 18:07:26,116 INFO L168 Benchmark]: Toolchain (without parser) took 671915.26 ms. Allocated memory was 352.3 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 313.7 MB in the beginning and 12.0 GB in the end (delta: -11.7 GB). Peak memory consumption was 4.0 GB. Max. memory is 16.0 GB. [2021-05-21 18:07:26,116 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 352.3 MB. Free memory was 332.8 MB in the beginning and 332.7 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 18:07:26,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.62 ms. Allocated memory is still 352.3 MB. Free memory was 313.5 MB in the beginning and 276.6 MB in the end (delta: 36.9 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.0 GB. [2021-05-21 18:07:26,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.93 ms. Allocated memory is still 352.3 MB. Free memory was 276.6 MB in the beginning and 273.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-05-21 18:07:26,116 INFO L168 Benchmark]: Boogie Preprocessor took 36.31 ms. Allocated memory is still 352.3 MB. Free memory was 273.3 MB in the beginning and 271.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 18:07:26,116 INFO L168 Benchmark]: RCFGBuilder took 671.10 ms. Allocated memory is still 352.3 MB. Free memory was 271.2 MB in the beginning and 227.2 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. [2021-05-21 18:07:26,116 INFO L168 Benchmark]: TraceAbstraction took 670346.95 ms. Allocated memory was 352.3 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 227.2 MB in the beginning and 12.0 GB in the end (delta: -11.8 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. [2021-05-21 18:07:26,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 352.3 MB. Free memory was 332.8 MB in the beginning and 332.7 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 782.62 ms. Allocated memory is still 352.3 MB. Free memory was 313.5 MB in the beginning and 276.6 MB in the end (delta: 36.9 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 70.93 ms. Allocated memory is still 352.3 MB. Free memory was 276.6 MB in the beginning and 273.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 36.31 ms. Allocated memory is still 352.3 MB. Free memory was 273.3 MB in the beginning and 271.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 671.10 ms. Allocated memory is still 352.3 MB. Free memory was 271.2 MB in the beginning and 227.2 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 670346.95 ms. Allocated memory was 352.3 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 227.2 MB in the beginning and 12.0 GB in the end (delta: -11.8 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 (166239states) and FLOYD_HOARE automaton (currently 18 states, 31 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 123 for 11ms.. - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (166239states) and FLOYD_HOARE automaton (currently 18 states, 31 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 123 for 11ms.. - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (166239states) and FLOYD_HOARE automaton (currently 18 states, 31 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 123 for 11ms.. - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (166239states) and FLOYD_HOARE automaton (currently 18 states, 31 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 123 for 11ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 311 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 670136.5ms, OverallIterations: 45, TraceHistogramMax: 1, EmptinessCheckTime: 7336.1ms, AutomataDifference: 453213.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8396.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 44452 SDtfs, 130701 SDslu, 472603 SDs, 0 SdLazy, 216565 SolverSat, 3939 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 90713.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3603 GetRequests, 123 SyntacticMatches, 13 SemanticMatches, 3466 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46985 ImplicationChecksByTransitivity, 323631.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=166239occurred in iteration=44, InterpolantAutomatonStates: 2391, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 160681.0ms AutomataMinimizationTime, 44 MinimizatonAttempts, 2136288 StatesRemovedByMinimization, 44 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 160.2ms SsaConstructionTime, 756.4ms SatisfiabilityAnalysisTime, 39109.9ms InterpolantComputationTime, 4522 NumberOfCodeBlocks, 4522 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 4477 ConstructedInterpolants, 0 QuantifiedInterpolants, 69752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 45 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