/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 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 20:21:47,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 20:21:47,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 20:21:47,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 20:21:47,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 20:21:47,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 20:21:47,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 20:21:47,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 20:21:47,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 20:21:47,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 20:21:47,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 20:21:47,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 20:21:47,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 20:21:47,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 20:21:47,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 20:21:47,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 20:21:47,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 20:21:47,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 20:21:47,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 20:21:47,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 20:21:47,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 20:21:47,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 20:21:47,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 20:21:47,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 20:21:47,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-05 20:21:47,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-05 20:21:47,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-05 20:21:47,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-05 20:21:47,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-05 20:21:47,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-05 20:21:47,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 20:21:47,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 20:21:47,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 20:21:47,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 20:21:47,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 20:21:47,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 20:21:47,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 20:21:47,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 20:21:47,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 20:21:47,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 20:21:47,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 20:21:47,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-05 20:21:47,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 20:21:47,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 20:21:47,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 20:21:47,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 20:21:48,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 20:21:48,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 20:21:48,001 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 20:21:48,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 20:21:48,001 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 20:21:48,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 20:21:48,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 20:21:48,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 20:21:48,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 20:21:48,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 20:21:48,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 20:21:48,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 20:21:48,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 20:21:48,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 20:21:48,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 20:21:48,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 20:21:48,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 20:21:48,004 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 20:21:48,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 20:21:48,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 20:21:48,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 20:21:48,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 20:21:48,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 20:21:48,279 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 20:21:48,279 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 20:21:48,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2021-06-05 20:21:48,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b903b8f5/7a08a1f5502f4ba69aa1e3603d1b5488/FLAG952bdf628 [2021-06-05 20:21:48,745 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 20:21:48,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2021-06-05 20:21:48,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b903b8f5/7a08a1f5502f4ba69aa1e3603d1b5488/FLAG952bdf628 [2021-06-05 20:21:49,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b903b8f5/7a08a1f5502f4ba69aa1e3603d1b5488 [2021-06-05 20:21:49,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 20:21:49,069 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 20:21:49,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 20:21:49,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 20:21:49,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 20:21:49,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b89b5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49, skipping insertion in model container [2021-06-05 20:21:49,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 20:21:49,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 20:21:49,209 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-05 20:21:49,446 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-06-05 20:21:49,451 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-06-05 20:21:49,452 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-06-05 20:21:49,514 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-06-05 20:21:49,515 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-06-05 20:21:49,521 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-06-05 20:21:49,522 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-06-05 20:21:49,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:21:49,534 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 20:21:49,547 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-05 20:21:49,563 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-06-05 20:21:49,564 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-06-05 20:21:49,564 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-06-05 20:21:49,569 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-06-05 20:21:49,569 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-06-05 20:21:49,570 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-06-05 20:21:49,570 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-06-05 20:21:49,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:21:49,687 INFO L208 MainTranslator]: Completed translation [2021-06-05 20:21:49,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49 WrapperNode [2021-06-05 20:21:49,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 20:21:49,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 20:21:49,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 20:21:49,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 20:21:49,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 20:21:49,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 20:21:49,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 20:21:49,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 20:21:49,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... [2021-06-05 20:21:49,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 20:21:49,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 20:21:49,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 20:21:49,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 20:21:49,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 20:21:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-06-05 20:21:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-06-05 20:21:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-06-05 20:21:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-06-05 20:21:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 20:21:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 20:21:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 20:21:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 20:21:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-05 20:21:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 20:21:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 20:21:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 20:21:49,845 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 20:21:50,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 20:21:50,243 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-06-05 20:21:50,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:21:50 BoogieIcfgContainer [2021-06-05 20:21:50,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 20:21:50,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 20:21:50,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 20:21:50,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 20:21:50,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 08:21:49" (1/3) ... [2021-06-05 20:21:50,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc2bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:21:50, skipping insertion in model container [2021-06-05 20:21:50,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:21:49" (2/3) ... [2021-06-05 20:21:50,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc2bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:21:50, skipping insertion in model container [2021-06-05 20:21:50,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:21:50" (3/3) ... [2021-06-05 20:21:50,250 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.i [2021-06-05 20:21:50,254 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 20:21:50,254 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 20:21:50,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-06-05 20:21:50,255 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 20:21:50,305 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,305 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,306 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,306 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,306 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,306 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,308 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,308 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,308 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,310 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,311 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,312 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,312 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,312 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,312 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,312 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,312 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,312 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,313 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,314 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,315 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,315 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,315 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,315 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,315 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,315 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,315 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,316 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,316 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,316 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,317 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,317 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,317 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,317 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,317 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,318 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,319 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,320 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,320 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,320 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,324 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,325 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,326 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,327 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,328 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,329 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,329 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,329 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,329 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,329 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,329 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,329 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,330 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,330 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,333 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,333 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,333 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,333 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,333 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,334 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,335 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,335 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,335 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,335 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,335 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,335 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,335 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,336 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,337 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,337 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,337 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,337 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,339 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,340 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,340 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,340 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,341 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,341 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,345 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,345 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,346 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,347 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,348 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,349 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,349 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,349 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,349 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,349 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,349 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,349 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,349 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,350 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,351 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,352 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,353 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,353 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,371 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,371 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,371 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,371 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,371 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,371 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,371 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,372 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,373 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,374 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,375 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,376 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,377 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,378 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,378 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,378 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,378 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,378 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,378 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,379 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,380 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,381 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,382 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,384 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,384 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,384 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,384 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,384 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,384 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,384 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,385 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,386 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,391 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,392 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,392 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,392 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,392 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,392 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,392 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:21:50,401 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-05 20:21:50,415 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 20:21:50,432 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:21:50,432 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:21:50,432 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:21:50,432 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:21:50,432 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:21:50,432 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:21:50,432 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:21:50,432 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == reader_two======== [2021-06-05 20:21:50,441 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 206 places, 218 transitions, 458 flow [2021-06-05 20:21:57,554 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:21:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:21:58,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:21:58,388 INFO L301 ceAbstractionStarter]: Result for error location reader_two was SAFE (1/3) [2021-06-05 20:21:58,391 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 20:21:58,395 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:21:58,395 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:21:58,395 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:21:58,396 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:21:58,396 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:21:58,396 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:21:58,396 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:21:58,396 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 20:21:58,403 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 206 places, 218 transitions, 458 flow [2021-06-05 20:22:05,219 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:05,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:22:05,699 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-05 20:22:05,699 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 20:22:05,700 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:22:05,700 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:22:05,700 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:22:05,700 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:22:05,700 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:22:05,700 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:22:05,700 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:22:05,701 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == reader_twoThread1of1ForFork0======== [2021-06-05 20:22:05,702 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 206 places, 218 transitions, 458 flow [2021-06-05 20:22:12,863 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 20:22:12,998 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:22:12,999 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:22:12,999 INFO L430 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:22:13,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:22:13,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1837467968, now seen corresponding path program 1 times [2021-06-05 20:22:13,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:22:13,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035203204] [2021-06-05 20:22:13,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:22:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:22:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:22:13,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:22:13,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035203204] [2021-06-05 20:22:13,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035203204] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:22:13,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:22:13,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 20:22:13,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67413338] [2021-06-05 20:22:13,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 20:22:13,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:22:13,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 20:22:13,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-06-05 20:22:13,659 INFO L87 Difference]: Start difference. First operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:15,287 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-06-05 20:22:16,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:22:16,502 INFO L93 Difference]: Finished difference Result 106831 states and 328248 transitions. [2021-06-05 20:22:16,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-05 20:22:16,503 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 20:22:16,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:22:16,746 INFO L225 Difference]: With dead ends: 106831 [2021-06-05 20:22:16,746 INFO L226 Difference]: Without dead ends: 95141 [2021-06-05 20:22:16,748 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1776.7ms TimeCoverageRelationStatistics Valid=487, Invalid=1319, Unknown=0, NotChecked=0, Total=1806 [2021-06-05 20:22:17,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95141 states. [2021-06-05 20:22:19,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95141 to 90545. [2021-06-05 20:22:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90545 states, 90541 states have (on average 3.0790028826719387) internal successors, (278776), 90544 states have internal predecessors, (278776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90545 states to 90545 states and 278776 transitions. [2021-06-05 20:22:19,673 INFO L78 Accepts]: Start accepts. Automaton has 90545 states and 278776 transitions. Word has length 80 [2021-06-05 20:22:19,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:22:19,674 INFO L482 AbstractCegarLoop]: Abstraction has 90545 states and 278776 transitions. [2021-06-05 20:22:19,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 90545 states and 278776 transitions. [2021-06-05 20:22:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 20:22:19,734 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:22:19,734 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:22:19,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 20:22:19,734 INFO L430 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:22:19,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:22:19,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1610903129, now seen corresponding path program 1 times [2021-06-05 20:22:19,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:22:19,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245998697] [2021-06-05 20:22:19,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:22:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:22:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:22:20,148 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:22:20,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245998697] [2021-06-05 20:22:20,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245998697] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:22:20,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:22:20,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 20:22:20,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477181509] [2021-06-05 20:22:20,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 20:22:20,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:22:20,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 20:22:20,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-06-05 20:22:20,150 INFO L87 Difference]: Start difference. First operand 90545 states and 278776 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:21,669 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-05 20:22:21,979 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2021-06-05 20:22:22,308 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-05 20:22:24,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:22:24,014 INFO L93 Difference]: Finished difference Result 151978 states and 468066 transitions. [2021-06-05 20:22:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-05 20:22:24,015 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 20:22:24,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:22:24,320 INFO L225 Difference]: With dead ends: 151978 [2021-06-05 20:22:24,320 INFO L226 Difference]: Without dead ends: 151327 [2021-06-05 20:22:24,321 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2166.3ms TimeCoverageRelationStatistics Valid=561, Invalid=1509, Unknown=0, NotChecked=0, Total=2070 [2021-06-05 20:22:25,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151327 states. [2021-06-05 20:22:27,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151327 to 107881. [2021-06-05 20:22:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107881 states, 107877 states have (on average 3.0790808049908693) internal successors, (332162), 107880 states have internal predecessors, (332162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107881 states to 107881 states and 332162 transitions. [2021-06-05 20:22:27,377 INFO L78 Accepts]: Start accepts. Automaton has 107881 states and 332162 transitions. Word has length 85 [2021-06-05 20:22:27,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:22:27,378 INFO L482 AbstractCegarLoop]: Abstraction has 107881 states and 332162 transitions. [2021-06-05 20:22:27,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 107881 states and 332162 transitions. [2021-06-05 20:22:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 20:22:27,766 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:22:27,767 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:22:27,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 20:22:27,770 INFO L430 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:22:27,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:22:27,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1145054439, now seen corresponding path program 2 times [2021-06-05 20:22:27,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:22:27,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706507301] [2021-06-05 20:22:27,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:22:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:22:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:22:28,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:22:28,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706507301] [2021-06-05 20:22:28,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706507301] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:22:28,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:22:28,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 20:22:28,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258161552] [2021-06-05 20:22:28,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 20:22:28,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:22:28,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 20:22:28,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-06-05 20:22:28,183 INFO L87 Difference]: Start difference. First operand 107881 states and 332162 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:29,885 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-05 20:22:30,529 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-05 20:22:30,654 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-05 20:22:32,161 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-05 20:22:33,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:22:33,741 INFO L93 Difference]: Finished difference Result 219791 states and 677350 transitions. [2021-06-05 20:22:33,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-05 20:22:33,741 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 20:22:33,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:22:34,114 INFO L225 Difference]: With dead ends: 219791 [2021-06-05 20:22:34,114 INFO L226 Difference]: Without dead ends: 219161 [2021-06-05 20:22:34,115 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 3648.4ms TimeCoverageRelationStatistics Valid=1145, Invalid=2887, Unknown=0, NotChecked=0, Total=4032 [2021-06-05 20:22:35,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219161 states. [2021-06-05 20:22:37,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219161 to 107883. [2021-06-05 20:22:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107883 states, 107879 states have (on average 3.079060799599551) internal successors, (332166), 107882 states have internal predecessors, (332166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107883 states to 107883 states and 332166 transitions. [2021-06-05 20:22:37,544 INFO L78 Accepts]: Start accepts. Automaton has 107883 states and 332166 transitions. Word has length 85 [2021-06-05 20:22:37,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:22:37,544 INFO L482 AbstractCegarLoop]: Abstraction has 107883 states and 332166 transitions. [2021-06-05 20:22:37,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 107883 states and 332166 transitions. [2021-06-05 20:22:37,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 20:22:37,933 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:22:37,934 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:22:37,934 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 20:22:37,934 INFO L430 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:22:37,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:22:37,934 INFO L82 PathProgramCache]: Analyzing trace with hash 677588919, now seen corresponding path program 3 times [2021-06-05 20:22:37,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:22:37,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953135896] [2021-06-05 20:22:37,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:22:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:22:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:22:38,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:22:38,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953135896] [2021-06-05 20:22:38,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953135896] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:22:38,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:22:38,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 20:22:38,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271111994] [2021-06-05 20:22:38,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 20:22:38,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:22:38,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 20:22:38,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-06-05 20:22:38,315 INFO L87 Difference]: Start difference. First operand 107883 states and 332166 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:40,187 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-05 20:22:40,435 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2021-06-05 20:22:40,969 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-05 20:22:42,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:22:42,717 INFO L93 Difference]: Finished difference Result 199527 states and 615078 transitions. [2021-06-05 20:22:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 20:22:42,717 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 20:22:42,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:22:43,265 INFO L225 Difference]: With dead ends: 199527 [2021-06-05 20:22:43,266 INFO L226 Difference]: Without dead ends: 198792 [2021-06-05 20:22:43,266 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 2599.9ms TimeCoverageRelationStatistics Valid=766, Invalid=1886, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 20:22:44,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198792 states. [2021-06-05 20:22:45,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198792 to 114573. [2021-06-05 20:22:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114573 states, 114569 states have (on average 3.083809756565912) internal successors, (353309), 114572 states have internal predecessors, (353309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:46,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114573 states to 114573 states and 353309 transitions. [2021-06-05 20:22:46,324 INFO L78 Accepts]: Start accepts. Automaton has 114573 states and 353309 transitions. Word has length 85 [2021-06-05 20:22:46,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:22:46,324 INFO L482 AbstractCegarLoop]: Abstraction has 114573 states and 353309 transitions. [2021-06-05 20:22:46,324 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:46,324 INFO L276 IsEmpty]: Start isEmpty. Operand 114573 states and 353309 transitions. [2021-06-05 20:22:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 20:22:46,375 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:22:46,375 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:22:46,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 20:22:46,376 INFO L430 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:22:46,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:22:46,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1693106881, now seen corresponding path program 4 times [2021-06-05 20:22:46,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:22:46,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726018497] [2021-06-05 20:22:46,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:22:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:22:46,839 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-06-05 20:22:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:22:47,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:22:47,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726018497] [2021-06-05 20:22:47,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726018497] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:22:47,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:22:47,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-06-05 20:22:47,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053536040] [2021-06-05 20:22:47,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 20:22:47,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:22:47,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 20:22:47,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-06-05 20:22:47,035 INFO L87 Difference]: Start difference. First operand 114573 states and 353309 transitions. Second operand has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:47,957 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2021-06-05 20:22:48,098 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-06-05 20:22:48,258 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-06-05 20:22:48,410 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-05 20:22:48,563 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-06-05 20:22:48,731 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-06-05 20:22:50,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:22:50,084 INFO L93 Difference]: Finished difference Result 149862 states and 461077 transitions. [2021-06-05 20:22:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 20:22:50,086 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 20:22:50,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:22:50,311 INFO L225 Difference]: With dead ends: 149862 [2021-06-05 20:22:50,312 INFO L226 Difference]: Without dead ends: 148875 [2021-06-05 20:22:50,312 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2030.2ms TimeCoverageRelationStatistics Valid=436, Invalid=1204, Unknown=0, NotChecked=0, Total=1640 [2021-06-05 20:22:51,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148875 states. [2021-06-05 20:22:52,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148875 to 105931. [2021-06-05 20:22:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105931 states, 105927 states have (on average 3.08080092894163) internal successors, (326340), 105930 states have internal predecessors, (326340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105931 states to 105931 states and 326340 transitions. [2021-06-05 20:22:53,192 INFO L78 Accepts]: Start accepts. Automaton has 105931 states and 326340 transitions. Word has length 85 [2021-06-05 20:22:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:22:53,193 INFO L482 AbstractCegarLoop]: Abstraction has 105931 states and 326340 transitions. [2021-06-05 20:22:53,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 105931 states and 326340 transitions. [2021-06-05 20:22:53,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:22:53,262 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:22:53,262 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:22:53,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 20:22:53,262 INFO L430 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:22:53,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:22:53,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1981753901, now seen corresponding path program 1 times [2021-06-05 20:22:53,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:22:53,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373824149] [2021-06-05 20:22:53,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:22:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:22:54,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:22:54,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:22:54,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373824149] [2021-06-05 20:22:54,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373824149] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:22:54,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:22:54,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:22:54,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443037274] [2021-06-05 20:22:54,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:22:54,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:22:54,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:22:54,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:22:54,264 INFO L87 Difference]: Start difference. First operand 105931 states and 326340 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:22:55,361 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 56 [2021-06-05 20:22:55,512 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-06-05 20:22:55,664 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-06-05 20:22:55,866 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-05 20:22:56,238 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-06-05 20:22:56,627 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-05 20:22:57,098 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-06-05 20:22:57,309 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-05 20:22:57,495 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-05 20:22:57,637 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-06-05 20:22:57,799 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-06-05 20:22:58,019 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-06-05 20:22:58,219 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-06-05 20:22:58,415 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-06-05 20:22:58,613 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2021-06-05 20:22:58,775 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-05 20:22:58,944 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-05 20:22:59,136 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-06-05 20:22:59,316 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 20:22:59,491 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-05 20:22:59,673 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-06-05 20:22:59,887 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:23:00,069 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 20:23:00,262 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-06-05 20:23:00,523 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:23:00,719 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:23:00,925 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-06-05 20:23:01,162 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-05 20:23:01,371 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:23:01,569 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-06-05 20:23:01,760 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-05 20:23:02,005 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:23:02,230 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:23:02,415 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:23:02,640 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-05 20:23:02,860 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 20:23:03,101 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-05 20:23:03,316 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 20:23:03,511 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:23:03,715 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-06-05 20:23:04,014 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-06-05 20:23:04,221 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:23:04,518 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-06-05 20:23:04,746 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:23:05,048 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 20:23:05,276 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-05 20:23:05,548 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 20:23:05,794 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-05 20:23:06,081 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 20:23:06,403 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-05 20:23:06,793 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 20:23:07,156 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 20:23:07,542 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-05 20:23:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:23:09,037 INFO L93 Difference]: Finished difference Result 171067 states and 527865 transitions. [2021-06-05 20:23:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-05 20:23:09,045 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:23:09,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:23:09,295 INFO L225 Difference]: With dead ends: 171067 [2021-06-05 20:23:09,295 INFO L226 Difference]: Without dead ends: 171067 [2021-06-05 20:23:09,297 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1573 ImplicationChecksByTransitivity, 11873.8ms TimeCoverageRelationStatistics Valid=2963, Invalid=6739, Unknown=0, NotChecked=0, Total=9702 [2021-06-05 20:23:10,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171067 states. [2021-06-05 20:23:12,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171067 to 117391. [2021-06-05 20:23:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117391 states, 117387 states have (on average 3.0827604419569457) internal successors, (361876), 117390 states have internal predecessors, (361876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117391 states to 117391 states and 361876 transitions. [2021-06-05 20:23:12,395 INFO L78 Accepts]: Start accepts. Automaton has 117391 states and 361876 transitions. Word has length 103 [2021-06-05 20:23:12,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:23:12,396 INFO L482 AbstractCegarLoop]: Abstraction has 117391 states and 361876 transitions. [2021-06-05 20:23:12,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 117391 states and 361876 transitions. [2021-06-05 20:23:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:23:12,480 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:23:12,480 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:23:12,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 20:23:12,481 INFO L430 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:23:12,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:23:12,481 INFO L82 PathProgramCache]: Analyzing trace with hash -126691475, now seen corresponding path program 2 times [2021-06-05 20:23:12,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:23:12,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021191782] [2021-06-05 20:23:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:23:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:23:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:23:13,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:23:13,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021191782] [2021-06-05 20:23:13,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021191782] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:23:13,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:23:13,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:23:13,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305410631] [2021-06-05 20:23:13,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:23:13,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:23:13,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:23:13,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:23:13,088 INFO L87 Difference]: Start difference. First operand 117391 states and 361876 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:15,467 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-06-05 20:23:15,751 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2021-06-05 20:23:16,027 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-06-05 20:23:16,212 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-06-05 20:23:16,432 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:23:17,317 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2021-06-05 20:23:17,773 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2021-06-05 20:23:17,947 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2021-06-05 20:23:19,061 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-06-05 20:23:19,213 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-06-05 20:23:19,375 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-05 20:23:19,781 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-05 20:23:19,945 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-05 20:23:20,096 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-06-05 20:23:20,258 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2021-06-05 20:23:20,517 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-06-05 20:23:20,701 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-06-05 20:23:20,894 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-06-05 20:23:21,074 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-06-05 20:23:21,233 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2021-06-05 20:23:21,559 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-06-05 20:23:21,781 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-06-05 20:23:21,934 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2021-06-05 20:23:22,449 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-05 20:23:22,653 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-06-05 20:23:22,846 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-06-05 20:23:22,990 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-05 20:23:23,142 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 74 [2021-06-05 20:23:23,445 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-05 20:23:23,631 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-05 20:23:23,817 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-05 20:23:23,978 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-06-05 20:23:24,290 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:23:24,478 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-05 20:23:24,677 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-06-05 20:23:24,867 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-06-05 20:23:25,219 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-06-05 20:23:25,418 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2021-06-05 20:23:25,700 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 20:23:25,913 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-06-05 20:23:26,191 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-06-05 20:23:26,417 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 20:23:26,648 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-05 20:23:26,936 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 20:23:27,180 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:23:27,374 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-05 20:23:27,626 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 87 [2021-06-05 20:23:27,873 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-05 20:23:28,108 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 20:23:28,321 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-06-05 20:23:28,672 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-06-05 20:23:28,889 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:23:29,235 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-06-05 20:23:29,472 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-05 20:23:29,771 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 93 [2021-06-05 20:23:30,010 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-06-05 20:23:30,344 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 20:23:30,608 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 91 [2021-06-05 20:23:30,943 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-06-05 20:23:31,335 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-06-05 20:23:31,743 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-06-05 20:23:32,155 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2021-06-05 20:23:32,560 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 101 [2021-06-05 20:23:34,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:23:34,334 INFO L93 Difference]: Finished difference Result 190805 states and 588022 transitions. [2021-06-05 20:23:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-05 20:23:34,334 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:23:34,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:23:34,797 INFO L225 Difference]: With dead ends: 190805 [2021-06-05 20:23:34,797 INFO L226 Difference]: Without dead ends: 190805 [2021-06-05 20:23:34,800 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4017 ImplicationChecksByTransitivity, 16631.7ms TimeCoverageRelationStatistics Valid=5500, Invalid=14240, Unknown=0, NotChecked=0, Total=19740 [2021-06-05 20:23:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190805 states. [2021-06-05 20:23:37,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190805 to 133573. [2021-06-05 20:23:37,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133573 states, 133569 states have (on average 3.0874005195816396) internal successors, (412381), 133572 states have internal predecessors, (412381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133573 states to 133573 states and 412381 transitions. [2021-06-05 20:23:37,807 INFO L78 Accepts]: Start accepts. Automaton has 133573 states and 412381 transitions. Word has length 103 [2021-06-05 20:23:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:23:37,807 INFO L482 AbstractCegarLoop]: Abstraction has 133573 states and 412381 transitions. [2021-06-05 20:23:37,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:37,808 INFO L276 IsEmpty]: Start isEmpty. Operand 133573 states and 412381 transitions. [2021-06-05 20:23:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:23:37,901 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:23:37,901 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:23:37,901 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 20:23:37,902 INFO L430 AbstractCegarLoop]: === Iteration 8 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:23:37,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:23:37,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1033973007, now seen corresponding path program 3 times [2021-06-05 20:23:37,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:23:37,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394520614] [2021-06-05 20:23:37,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:23:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:23:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:23:39,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:23:39,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394520614] [2021-06-05 20:23:39,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394520614] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:23:39,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:23:39,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:23:39,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568209215] [2021-06-05 20:23:39,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:23:39,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:23:39,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:23:39,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:23:39,005 INFO L87 Difference]: Start difference. First operand 133573 states and 412381 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:40,092 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:23:40,295 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:23:40,733 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-06-05 20:23:41,095 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 81 [2021-06-05 20:23:41,483 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:23:41,735 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:23:41,935 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:23:42,129 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 20:23:42,302 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:23:42,524 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:23:42,723 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 20:23:42,963 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:23:43,151 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:23:43,381 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-05 20:23:43,586 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:23:43,768 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-06-05 20:23:44,003 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:23:44,222 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:23:44,399 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:23:44,609 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 20:23:44,849 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-05 20:23:45,063 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 20:23:45,252 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:23:45,531 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-06-05 20:23:45,733 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:23:46,009 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-06-05 20:23:46,228 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:23:46,481 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 20:23:46,703 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-05 20:23:46,972 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 20:23:47,212 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-05 20:23:47,485 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 20:23:47,783 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-05 20:23:48,122 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 20:23:48,462 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 20:23:48,810 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-05 20:23:50,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:23:50,158 INFO L93 Difference]: Finished difference Result 170539 states and 526669 transitions. [2021-06-05 20:23:50,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-05 20:23:50,159 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:23:50,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:23:50,407 INFO L225 Difference]: With dead ends: 170539 [2021-06-05 20:23:50,407 INFO L226 Difference]: Without dead ends: 170539 [2021-06-05 20:23:50,408 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 8257.2ms TimeCoverageRelationStatistics Valid=1955, Invalid=4525, Unknown=0, NotChecked=0, Total=6480 [2021-06-05 20:23:51,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170539 states. [2021-06-05 20:23:53,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170539 to 133633. [2021-06-05 20:23:53,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133633 states, 133629 states have (on average 3.0873762431807465) internal successors, (412563), 133632 states have internal predecessors, (412563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133633 states to 133633 states and 412563 transitions. [2021-06-05 20:23:53,656 INFO L78 Accepts]: Start accepts. Automaton has 133633 states and 412563 transitions. Word has length 103 [2021-06-05 20:23:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:23:53,657 INFO L482 AbstractCegarLoop]: Abstraction has 133633 states and 412563 transitions. [2021-06-05 20:23:53,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 133633 states and 412563 transitions. [2021-06-05 20:23:53,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:23:53,749 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:23:53,749 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:23:53,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 20:23:53,749 INFO L430 AbstractCegarLoop]: === Iteration 9 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:23:53,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:23:53,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1074472369, now seen corresponding path program 4 times [2021-06-05 20:23:53,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:23:53,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143651221] [2021-06-05 20:23:53,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:23:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:23:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:23:54,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:23:54,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143651221] [2021-06-05 20:23:54,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143651221] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:23:54,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:23:54,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:23:54,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124712107] [2021-06-05 20:23:54,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:23:54,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:23:54,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:23:54,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:23:54,305 INFO L87 Difference]: Start difference. First operand 133633 states and 412563 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:55,024 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-06-05 20:23:56,656 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-06-05 20:23:56,800 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 20:23:56,996 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:23:57,360 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-06-05 20:23:57,562 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-06-05 20:23:57,781 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:23:58,692 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 20:23:59,167 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-06-05 20:24:00,357 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-06-05 20:24:00,499 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-05 20:24:00,914 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-05 20:24:01,071 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-06-05 20:24:01,233 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2021-06-05 20:24:01,486 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-06-05 20:24:01,659 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 20:24:01,837 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-06-05 20:24:02,023 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-06-05 20:24:02,525 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-06-05 20:24:02,705 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2021-06-05 20:24:03,246 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 20:24:03,447 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-06-05 20:24:03,606 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-05 20:24:03,768 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 74 [2021-06-05 20:24:04,070 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-06-05 20:24:04,255 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 20:24:04,436 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-05 20:24:04,603 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-06-05 20:24:04,927 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-06-05 20:24:05,117 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-05 20:24:05,311 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 20:24:05,507 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-06-05 20:24:05,893 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 83 [2021-06-05 20:24:06,108 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 20:24:06,315 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-05 20:24:06,613 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 86 [2021-06-05 20:24:06,865 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 20:24:07,091 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-06-05 20:24:07,501 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2021-06-05 20:24:07,719 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-06-05 20:24:07,972 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 20:24:08,188 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 20:24:08,470 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-06-05 20:24:08,698 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 20:24:08,954 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:24:09,156 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 20:24:09,447 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 86 [2021-06-05 20:24:09,647 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-06-05 20:24:09,902 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-05 20:24:10,165 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 20:24:10,385 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-05 20:24:10,549 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-06-05 20:24:10,907 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-06-05 20:24:11,133 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:24:11,509 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-06-05 20:24:11,756 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-05 20:24:12,108 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 93 [2021-06-05 20:24:12,357 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-06-05 20:24:12,698 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-05 20:24:12,974 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 91 [2021-06-05 20:24:13,348 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-06-05 20:24:13,768 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-06-05 20:24:14,287 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-06-05 20:24:14,682 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2021-06-05 20:24:15,117 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 101 [2021-06-05 20:24:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:24:17,231 INFO L93 Difference]: Finished difference Result 213167 states and 658365 transitions. [2021-06-05 20:24:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-06-05 20:24:17,232 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:24:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:24:17,589 INFO L225 Difference]: With dead ends: 213167 [2021-06-05 20:24:17,589 INFO L226 Difference]: Without dead ends: 213167 [2021-06-05 20:24:17,592 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4036 ImplicationChecksByTransitivity, 17338.0ms TimeCoverageRelationStatistics Valid=5676, Invalid=14916, Unknown=0, NotChecked=0, Total=20592 [2021-06-05 20:24:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213167 states. [2021-06-05 20:24:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213167 to 133573. [2021-06-05 20:24:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133573 states, 133569 states have (on average 3.0874005195816396) internal successors, (412381), 133572 states have internal predecessors, (412381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133573 states to 133573 states and 412381 transitions. [2021-06-05 20:24:21,069 INFO L78 Accepts]: Start accepts. Automaton has 133573 states and 412381 transitions. Word has length 103 [2021-06-05 20:24:21,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:24:21,069 INFO L482 AbstractCegarLoop]: Abstraction has 133573 states and 412381 transitions. [2021-06-05 20:24:21,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 133573 states and 412381 transitions. [2021-06-05 20:24:21,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:24:21,163 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:24:21,163 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:24:21,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 20:24:21,163 INFO L430 AbstractCegarLoop]: === Iteration 10 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:24:21,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:24:21,164 INFO L82 PathProgramCache]: Analyzing trace with hash 2127796927, now seen corresponding path program 5 times [2021-06-05 20:24:21,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:24:21,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038398067] [2021-06-05 20:24:21,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:24:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:24:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:24:22,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:24:22,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038398067] [2021-06-05 20:24:22,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038398067] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:24:22,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:24:22,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:24:22,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648608421] [2021-06-05 20:24:22,117 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:24:22,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:24:22,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:24:22,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:24:22,118 INFO L87 Difference]: Start difference. First operand 133573 states and 412381 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:24,133 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-06-05 20:24:24,430 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-06-05 20:24:24,588 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2021-06-05 20:24:24,888 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-06-05 20:24:25,026 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-06-05 20:24:25,208 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-06-05 20:24:25,386 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-06-05 20:24:25,537 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-06-05 20:24:25,739 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-06-05 20:24:25,931 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-05 20:24:26,844 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-05 20:24:27,329 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2021-06-05 20:24:28,547 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-06-05 20:24:28,697 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-05 20:24:29,171 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-05 20:24:29,323 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 75 [2021-06-05 20:24:29,478 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 74 [2021-06-05 20:24:29,874 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-06-05 20:24:30,057 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 79 [2021-06-05 20:24:30,235 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-06-05 20:24:30,883 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-06-05 20:24:31,066 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2021-06-05 20:24:31,676 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-06-05 20:24:31,867 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-06-05 20:24:32,055 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-06-05 20:24:32,211 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-05 20:24:32,359 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 74 [2021-06-05 20:24:32,765 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-06-05 20:24:32,955 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-05 20:24:33,120 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-06-05 20:24:33,464 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 20:24:33,652 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-06-05 20:24:33,857 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-06-05 20:24:34,051 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-06-05 20:24:34,424 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2021-06-05 20:24:34,620 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-06-05 20:24:34,841 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:24:35,233 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-06-05 20:24:35,446 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 86 [2021-06-05 20:24:35,688 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 20:24:36,103 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-06-05 20:24:36,327 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-06-05 20:24:36,527 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2021-06-05 20:24:36,756 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-06-05 20:24:37,003 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 20:24:37,271 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-06-05 20:24:37,539 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2021-06-05 20:24:37,787 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 90 [2021-06-05 20:24:37,982 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-06-05 20:24:38,228 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 20:24:38,487 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-06-05 20:24:38,650 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-06-05 20:24:38,974 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 92 [2021-06-05 20:24:39,208 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-06-05 20:24:39,418 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 86 [2021-06-05 20:24:39,622 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-06-05 20:24:39,900 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-06-05 20:24:40,146 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-06-05 20:24:40,298 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-06-05 20:24:40,431 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-06-05 20:24:40,565 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2021-06-05 20:24:40,897 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2021-06-05 20:24:41,119 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 84 [2021-06-05 20:24:41,429 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-06-05 20:24:41,666 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-05 20:24:41,843 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-06-05 20:24:42,181 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 93 [2021-06-05 20:24:42,422 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2021-06-05 20:24:42,704 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-06-05 20:24:42,964 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-06-05 20:24:43,141 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-06-05 20:24:43,282 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2021-06-05 20:24:43,581 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 89 [2021-06-05 20:24:43,823 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-06-05 20:24:44,090 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-06-05 20:24:44,434 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 94 [2021-06-05 20:24:44,702 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 95 [2021-06-05 20:24:45,002 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-06-05 20:24:45,198 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-06-05 20:24:45,525 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2021-06-05 20:24:46,017 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 100 [2021-06-05 20:24:46,501 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 98 [2021-06-05 20:24:46,942 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2021-06-05 20:24:47,354 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 99 [2021-06-05 20:24:49,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:24:49,347 INFO L93 Difference]: Finished difference Result 191946 states and 592202 transitions. [2021-06-05 20:24:49,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-06-05 20:24:49,347 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:24:49,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:24:49,638 INFO L225 Difference]: With dead ends: 191946 [2021-06-05 20:24:49,639 INFO L226 Difference]: Without dead ends: 191946 [2021-06-05 20:24:49,640 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7201 ImplicationChecksByTransitivity, 22348.5ms TimeCoverageRelationStatistics Valid=7414, Invalid=22688, Unknown=0, NotChecked=0, Total=30102 [2021-06-05 20:24:50,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191946 states. [2021-06-05 20:24:52,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191946 to 133963. [2021-06-05 20:24:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133963 states, 133959 states have (on average 3.0874670608171155) internal successors, (413594), 133962 states have internal predecessors, (413594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133963 states to 133963 states and 413594 transitions. [2021-06-05 20:24:52,949 INFO L78 Accepts]: Start accepts. Automaton has 133963 states and 413594 transitions. Word has length 103 [2021-06-05 20:24:52,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:24:52,950 INFO L482 AbstractCegarLoop]: Abstraction has 133963 states and 413594 transitions. [2021-06-05 20:24:52,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 133963 states and 413594 transitions. [2021-06-05 20:24:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:24:53,045 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:24:53,045 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:24:53,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 20:24:53,045 INFO L430 AbstractCegarLoop]: === Iteration 11 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:24:53,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:24:53,046 INFO L82 PathProgramCache]: Analyzing trace with hash 466780323, now seen corresponding path program 6 times [2021-06-05 20:24:53,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:24:53,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284296319] [2021-06-05 20:24:53,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:24:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:24:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:24:54,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:24:54,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284296319] [2021-06-05 20:24:54,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284296319] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:24:54,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:24:54,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:24:54,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677922090] [2021-06-05 20:24:54,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:24:54,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:24:54,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:24:54,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:24:54,077 INFO L87 Difference]: Start difference. First operand 133963 states and 413594 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:56,204 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2021-06-05 20:24:56,361 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2021-06-05 20:24:56,617 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-06-05 20:24:56,911 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-06-05 20:24:57,103 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-06-05 20:24:57,672 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-06-05 20:24:58,073 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 20:24:58,520 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-06-05 20:24:59,600 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-06-05 20:24:59,740 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 71 [2021-06-05 20:25:00,129 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-06-05 20:25:00,281 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-06-05 20:25:00,437 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 72 [2021-06-05 20:25:00,698 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-06-05 20:25:00,872 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2021-06-05 20:25:01,049 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-06-05 20:25:01,519 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 82 [2021-06-05 20:25:01,730 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2021-06-05 20:25:02,238 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-06-05 20:25:02,432 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-06-05 20:25:02,586 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 71 [2021-06-05 20:25:02,732 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2021-06-05 20:25:03,035 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-06-05 20:25:03,215 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-06-05 20:25:03,378 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2021-06-05 20:25:03,689 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-06-05 20:25:03,871 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2021-06-05 20:25:04,061 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 82 [2021-06-05 20:25:04,419 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-06-05 20:25:04,639 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 83 [2021-06-05 20:25:04,931 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-06-05 20:25:05,141 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-06-05 20:25:05,522 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-06-05 20:25:05,771 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-05 20:25:05,970 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 84 [2021-06-05 20:25:06,257 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 87 [2021-06-05 20:25:06,499 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-06-05 20:25:06,690 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2021-06-05 20:25:06,843 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-06-05 20:25:07,071 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 91 [2021-06-05 20:25:07,316 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 92 [2021-06-05 20:25:07,547 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-06-05 20:25:07,755 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-06-05 20:25:07,908 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2021-06-05 20:25:08,229 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 95 [2021-06-05 20:25:08,451 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-06-05 20:25:08,643 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-06-05 20:25:08,937 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 93 [2021-06-05 20:25:09,175 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 89 [2021-06-05 20:25:09,350 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:25:09,607 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 96 [2021-06-05 20:25:09,849 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 89 [2021-06-05 20:25:10,151 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 99 [2021-06-05 20:25:10,417 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 94 [2021-06-05 20:25:10,614 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-06-05 20:25:10,897 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 101 [2021-06-05 20:25:11,272 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 104 [2021-06-05 20:25:11,488 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2021-06-05 20:25:11,809 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 102 [2021-06-05 20:25:12,206 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 98 [2021-06-05 20:25:12,612 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2021-06-05 20:25:12,822 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2021-06-05 20:25:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:25:14,650 INFO L93 Difference]: Finished difference Result 186407 states and 574643 transitions. [2021-06-05 20:25:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-06-05 20:25:14,650 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:25:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:25:14,928 INFO L225 Difference]: With dead ends: 186407 [2021-06-05 20:25:14,928 INFO L226 Difference]: Without dead ends: 186407 [2021-06-05 20:25:14,929 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4221 ImplicationChecksByTransitivity, 16638.8ms TimeCoverageRelationStatistics Valid=5392, Invalid=14914, Unknown=0, NotChecked=0, Total=20306 [2021-06-05 20:25:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186407 states. [2021-06-05 20:25:17,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186407 to 135849. [2021-06-05 20:25:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135849 states, 135845 states have (on average 3.0866943943464977) internal successors, (419312), 135848 states have internal predecessors, (419312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135849 states to 135849 states and 419312 transitions. [2021-06-05 20:25:18,271 INFO L78 Accepts]: Start accepts. Automaton has 135849 states and 419312 transitions. Word has length 103 [2021-06-05 20:25:18,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:25:18,271 INFO L482 AbstractCegarLoop]: Abstraction has 135849 states and 419312 transitions. [2021-06-05 20:25:18,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 135849 states and 419312 transitions. [2021-06-05 20:25:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:25:18,368 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:25:18,368 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:25:18,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 20:25:18,368 INFO L430 AbstractCegarLoop]: === Iteration 12 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:25:18,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:25:18,369 INFO L82 PathProgramCache]: Analyzing trace with hash 447446173, now seen corresponding path program 7 times [2021-06-05 20:25:18,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:25:18,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234290993] [2021-06-05 20:25:18,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:25:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:25:18,832 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2021-06-05 20:25:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:25:19,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:25:19,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234290993] [2021-06-05 20:25:19,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234290993] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:25:19,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:25:19,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:25:19,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759770187] [2021-06-05 20:25:19,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:25:19,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:25:19,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:25:19,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:25:19,379 INFO L87 Difference]: Start difference. First operand 135849 states and 419312 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:20,810 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-06-05 20:25:20,980 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-05 20:25:21,278 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-05 20:25:21,595 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-05 20:25:21,856 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:25:22,598 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-06-05 20:25:23,126 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-06-05 20:25:23,283 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-06-05 20:25:23,657 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-06-05 20:25:23,798 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-06-05 20:25:23,988 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-06-05 20:25:24,411 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-06-05 20:25:24,564 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-05 20:25:24,703 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-06-05 20:25:25,108 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 20:25:25,270 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-06-05 20:25:25,432 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-06-05 20:25:25,933 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-05 20:25:26,089 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2021-06-05 20:25:26,273 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 20:25:26,456 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-06-05 20:25:26,618 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-06-05 20:25:27,194 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-05 20:25:27,378 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-06-05 20:25:27,528 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-06-05 20:25:27,663 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 20:25:28,090 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 70 [2021-06-05 20:25:28,304 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-06-05 20:25:28,487 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-05 20:25:28,641 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-06-05 20:25:29,109 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 70 [2021-06-05 20:25:29,289 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-06-05 20:25:29,485 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 20:25:29,662 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-06-05 20:25:30,029 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2021-06-05 20:25:30,232 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-06-05 20:25:30,432 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-06-05 20:25:30,639 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-05 20:25:30,798 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-06-05 20:25:31,057 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 74 [2021-06-05 20:25:31,290 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 76 [2021-06-05 20:25:31,499 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-05 20:25:31,661 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-06-05 20:25:31,933 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 78 [2021-06-05 20:25:32,165 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-06-05 20:25:32,392 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-06-05 20:25:32,567 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-06-05 20:25:32,853 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-06-05 20:25:33,094 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2021-06-05 20:25:33,314 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-06-05 20:25:33,531 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-06-05 20:25:33,697 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-06-05 20:25:33,984 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-06-05 20:25:34,246 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 83 [2021-06-05 20:25:34,498 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 73 [2021-06-05 20:25:34,712 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-06-05 20:25:34,994 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 20:25:35,254 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-06-05 20:25:35,502 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 81 [2021-06-05 20:25:35,734 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-06-05 20:25:35,966 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-05 20:25:36,146 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:25:36,506 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 88 [2021-06-05 20:25:36,743 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 77 [2021-06-05 20:25:37,116 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-06-05 20:25:37,398 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-06-05 20:25:37,784 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 89 [2021-06-05 20:25:38,039 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-06-05 20:25:38,398 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 93 [2021-06-05 20:25:38,677 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 87 [2021-06-05 20:25:39,071 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 95 [2021-06-05 20:25:39,543 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 98 [2021-06-05 20:25:40,027 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 96 [2021-06-05 20:25:40,477 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-06-05 20:25:40,909 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 97 [2021-06-05 20:25:42,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:25:42,779 INFO L93 Difference]: Finished difference Result 244775 states and 755981 transitions. [2021-06-05 20:25:42,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-05 20:25:42,780 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:25:42,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:25:43,155 INFO L225 Difference]: With dead ends: 244775 [2021-06-05 20:25:43,155 INFO L226 Difference]: Without dead ends: 244775 [2021-06-05 20:25:43,156 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4730 ImplicationChecksByTransitivity, 18794.5ms TimeCoverageRelationStatistics Valid=5573, Invalid=15597, Unknown=0, NotChecked=0, Total=21170 [2021-06-05 20:25:44,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244775 states. [2021-06-05 20:25:46,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244775 to 135909. [2021-06-05 20:25:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135909 states, 135905 states have (on average 3.086670836245907) internal successors, (419494), 135908 states have internal predecessors, (419494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135909 states to 135909 states and 419494 transitions. [2021-06-05 20:25:47,219 INFO L78 Accepts]: Start accepts. Automaton has 135909 states and 419494 transitions. Word has length 103 [2021-06-05 20:25:47,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:25:47,220 INFO L482 AbstractCegarLoop]: Abstraction has 135909 states and 419494 transitions. [2021-06-05 20:25:47,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 135909 states and 419494 transitions. [2021-06-05 20:25:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:25:47,317 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:25:47,317 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:25:47,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 20:25:47,318 INFO L430 AbstractCegarLoop]: === Iteration 13 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:25:47,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:25:47,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1660999203, now seen corresponding path program 8 times [2021-06-05 20:25:47,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:25:47,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997971251] [2021-06-05 20:25:47,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:25:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:25:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:25:47,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:25:47,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997971251] [2021-06-05 20:25:47,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997971251] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:25:47,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:25:47,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:25:47,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170427077] [2021-06-05 20:25:47,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:25:47,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:25:47,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:25:47,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:25:47,919 INFO L87 Difference]: Start difference. First operand 135909 states and 419494 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:49,681 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-05 20:25:49,848 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-06-05 20:25:50,118 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-06-05 20:25:50,305 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-06-05 20:25:50,510 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-06-05 20:25:51,305 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-06-05 20:25:51,507 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2021-06-05 20:25:52,005 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-05 20:25:52,155 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-06-05 20:25:52,802 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-06-05 20:25:53,218 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-06-05 20:25:53,366 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-05 20:25:53,501 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-06-05 20:25:53,904 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 20:25:54,060 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-06-05 20:25:54,215 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-06-05 20:25:54,684 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2021-06-05 20:25:54,863 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-05 20:25:55,040 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-06-05 20:25:55,193 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-06-05 20:25:55,756 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-05 20:25:55,961 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-06-05 20:25:56,103 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-06-05 20:25:56,636 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:25:56,835 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-06-05 20:25:57,001 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-05 20:25:57,154 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-06-05 20:25:57,598 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-06-05 20:25:57,787 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 20:25:57,959 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-06-05 20:25:58,315 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:25:58,524 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-06-05 20:25:58,725 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-05 20:25:58,879 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-06-05 20:25:59,123 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-06-05 20:25:59,325 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-05 20:25:59,482 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-06-05 20:25:59,738 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-06-05 20:25:59,954 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-06-05 20:26:00,123 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-06-05 20:26:00,384 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:26:00,634 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-05 20:26:00,838 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-06-05 20:26:00,997 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-06-05 20:26:01,147 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:26:01,414 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:26:01,663 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-06-05 20:26:01,865 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-06-05 20:26:02,051 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-06-05 20:26:02,302 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 94 [2021-06-05 20:26:02,559 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-06-05 20:26:02,823 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:26:03,043 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-05 20:26:03,222 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:26:03,381 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:26:03,541 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-06-05 20:26:03,880 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 92 [2021-06-05 20:26:04,111 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-06-05 20:26:04,317 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:26:04,630 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-06-05 20:26:04,907 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2021-06-05 20:26:05,108 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:26:05,272 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-06-05 20:26:05,560 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 93 [2021-06-05 20:26:05,810 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-06-05 20:26:06,147 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 97 [2021-06-05 20:26:06,421 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2021-06-05 20:26:06,643 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-06-05 20:26:06,962 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 99 [2021-06-05 20:26:07,231 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-06-05 20:26:07,615 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 102 [2021-06-05 20:26:07,864 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-06-05 20:26:08,249 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 100 [2021-06-05 20:26:08,475 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-06-05 20:26:08,845 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 96 [2021-06-05 20:26:09,250 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 101 [2021-06-05 20:26:09,489 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 90 [2021-06-05 20:26:11,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:26:11,140 INFO L93 Difference]: Finished difference Result 224315 states and 691399 transitions. [2021-06-05 20:26:11,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-06-05 20:26:11,140 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:26:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:26:11,487 INFO L225 Difference]: With dead ends: 224315 [2021-06-05 20:26:11,487 INFO L226 Difference]: Without dead ends: 224315 [2021-06-05 20:26:11,488 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5410 ImplicationChecksByTransitivity, 18796.0ms TimeCoverageRelationStatistics Valid=5716, Invalid=17236, Unknown=0, NotChecked=0, Total=22952 [2021-06-05 20:26:12,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224315 states. [2021-06-05 20:26:14,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224315 to 140798. [2021-06-05 20:26:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140798 states, 140794 states have (on average 3.0888745259030923) internal successors, (434895), 140797 states have internal predecessors, (434895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140798 states to 140798 states and 434895 transitions. [2021-06-05 20:26:15,069 INFO L78 Accepts]: Start accepts. Automaton has 140798 states and 434895 transitions. Word has length 103 [2021-06-05 20:26:15,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:26:15,069 INFO L482 AbstractCegarLoop]: Abstraction has 140798 states and 434895 transitions. [2021-06-05 20:26:15,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 140798 states and 434895 transitions. [2021-06-05 20:26:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 20:26:15,172 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:26:15,172 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:26:15,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 20:26:15,172 INFO L430 AbstractCegarLoop]: === Iteration 14 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:26:15,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:26:15,173 INFO L82 PathProgramCache]: Analyzing trace with hash 192852461, now seen corresponding path program 9 times [2021-06-05 20:26:15,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:26:15,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109791659] [2021-06-05 20:26:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:26:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:26:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:26:16,248 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:26:16,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109791659] [2021-06-05 20:26:16,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109791659] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:26:16,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:26:16,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:26:16,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68148422] [2021-06-05 20:26:16,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:26:16,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:26:16,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:26:16,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:26:16,249 INFO L87 Difference]: Start difference. First operand 140798 states and 434895 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:17,340 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-05 20:26:17,635 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-05 20:26:17,864 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:26:18,139 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2021-06-05 20:26:18,731 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-06-05 20:26:19,227 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-06-05 20:26:19,370 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-06-05 20:26:19,834 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 20:26:20,016 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-06-05 20:26:20,151 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-06-05 20:26:20,373 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-05 20:26:20,542 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-05 20:26:20,699 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-06-05 20:26:20,949 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:26:21,128 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-05 20:26:21,301 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-06-05 20:26:21,501 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-05 20:26:21,688 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:26:21,869 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-06-05 20:26:22,022 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-06-05 20:26:22,272 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-06-05 20:26:22,445 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-05 20:26:22,592 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-06-05 20:26:22,821 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-06-05 20:26:23,018 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-05 20:26:23,183 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-06-05 20:26:23,336 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-06-05 20:26:23,549 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-06-05 20:26:23,742 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-05 20:26:23,915 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-05 20:26:24,140 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-06-05 20:26:24,333 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:26:24,533 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:26:24,791 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-06-05 20:26:25,013 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:26:25,292 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-06-05 20:26:25,519 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-06-05 20:26:25,800 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-06-05 20:26:26,036 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-06-05 20:26:26,245 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:26:26,533 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-06-05 20:26:26,790 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-06-05 20:26:26,989 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:26:27,271 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 90 [2021-06-05 20:26:27,527 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 92 [2021-06-05 20:26:27,766 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 86 [2021-06-05 20:26:27,982 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:26:28,347 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-06-05 20:26:28,575 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-06-05 20:26:28,914 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-06-05 20:26:29,159 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-06-05 20:26:29,497 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 94 [2021-06-05 20:26:29,744 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-06-05 20:26:30,079 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 98 [2021-06-05 20:26:30,353 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 92 [2021-06-05 20:26:30,711 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 102 [2021-06-05 20:26:31,114 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 105 [2021-06-05 20:26:31,549 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 101 [2021-06-05 20:26:31,902 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 97 [2021-06-05 20:26:32,362 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 102 [2021-06-05 20:26:33,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:26:33,948 INFO L93 Difference]: Finished difference Result 189642 states and 584908 transitions. [2021-06-05 20:26:33,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-05 20:26:33,948 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 20:26:33,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:26:34,223 INFO L225 Difference]: With dead ends: 189642 [2021-06-05 20:26:34,223 INFO L226 Difference]: Without dead ends: 189642 [2021-06-05 20:26:34,224 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2107 ImplicationChecksByTransitivity, 14344.5ms TimeCoverageRelationStatistics Valid=3714, Invalid=8942, Unknown=0, NotChecked=0, Total=12656 [2021-06-05 20:26:35,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189642 states. [2021-06-05 20:26:37,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189642 to 126548. [2021-06-05 20:26:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126548 states, 126544 states have (on average 3.0844607409280567) internal successors, (390320), 126547 states have internal predecessors, (390320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126548 states to 126548 states and 390320 transitions. [2021-06-05 20:26:37,644 INFO L78 Accepts]: Start accepts. Automaton has 126548 states and 390320 transitions. Word has length 103 [2021-06-05 20:26:37,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:26:37,644 INFO L482 AbstractCegarLoop]: Abstraction has 126548 states and 390320 transitions. [2021-06-05 20:26:37,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 126548 states and 390320 transitions. [2021-06-05 20:26:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:26:37,732 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:26:37,732 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:26:37,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 20:26:37,732 INFO L430 AbstractCegarLoop]: === Iteration 15 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:26:37,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:26:37,733 INFO L82 PathProgramCache]: Analyzing trace with hash -787252808, now seen corresponding path program 1 times [2021-06-05 20:26:37,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:26:37,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956419911] [2021-06-05 20:26:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:26:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:26:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:26:39,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:26:39,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956419911] [2021-06-05 20:26:39,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956419911] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:26:39,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:26:39,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:26:39,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196106810] [2021-06-05 20:26:39,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:26:39,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:26:39,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:26:39,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:26:39,045 INFO L87 Difference]: Start difference. First operand 126548 states and 390320 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:40,474 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:26:40,687 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 20:26:40,975 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 20:26:41,352 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-05 20:26:41,655 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:26:42,236 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-06-05 20:26:42,542 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:26:42,820 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:26:45,991 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-06-05 20:26:48,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:26:48,368 INFO L93 Difference]: Finished difference Result 295673 states and 913948 transitions. [2021-06-05 20:26:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:26:48,368 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:26:48,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:26:48,868 INFO L225 Difference]: With dead ends: 295673 [2021-06-05 20:26:48,869 INFO L226 Difference]: Without dead ends: 295673 [2021-06-05 20:26:48,869 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 5547.9ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:26:50,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295673 states. [2021-06-05 20:26:52,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295673 to 175133. [2021-06-05 20:26:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175133 states, 175129 states have (on average 3.0824763460078) internal successors, (539831), 175132 states have internal predecessors, (539831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175133 states to 175133 states and 539831 transitions. [2021-06-05 20:26:53,636 INFO L78 Accepts]: Start accepts. Automaton has 175133 states and 539831 transitions. Word has length 106 [2021-06-05 20:26:53,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:26:53,636 INFO L482 AbstractCegarLoop]: Abstraction has 175133 states and 539831 transitions. [2021-06-05 20:26:53,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 175133 states and 539831 transitions. [2021-06-05 20:26:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:26:53,780 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:26:53,780 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:26:53,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 20:26:53,780 INFO L430 AbstractCegarLoop]: === Iteration 16 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:26:53,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:26:53,780 INFO L82 PathProgramCache]: Analyzing trace with hash -370494472, now seen corresponding path program 2 times [2021-06-05 20:26:53,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:26:53,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882744952] [2021-06-05 20:26:53,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:26:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:26:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:26:54,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:26:54,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882744952] [2021-06-05 20:26:54,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882744952] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:26:54,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:26:54,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:26:54,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153260882] [2021-06-05 20:26:54,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:26:54,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:26:54,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:26:54,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:26:54,672 INFO L87 Difference]: Start difference. First operand 175133 states and 539831 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:56,502 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 20:26:56,752 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 20:26:56,971 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-05 20:26:57,210 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 20:26:57,703 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-06-05 20:26:58,036 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 20:26:58,282 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-05 20:26:58,516 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:26:58,780 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:27:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:27:05,010 INFO L93 Difference]: Finished difference Result 351188 states and 1083898 transitions. [2021-06-05 20:27:05,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 20:27:05,011 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:27:05,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:27:05,633 INFO L225 Difference]: With dead ends: 351188 [2021-06-05 20:27:05,633 INFO L226 Difference]: Without dead ends: 351188 [2021-06-05 20:27:05,634 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 5236.6ms TimeCoverageRelationStatistics Valid=1257, Invalid=5883, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 20:27:07,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351188 states. [2021-06-05 20:27:10,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351188 to 178868. [2021-06-05 20:27:10,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178868 states, 178864 states have (on average 3.0818219429287055) internal successors, (551227), 178867 states have internal predecessors, (551227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:10,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178868 states to 178868 states and 551227 transitions. [2021-06-05 20:27:10,906 INFO L78 Accepts]: Start accepts. Automaton has 178868 states and 551227 transitions. Word has length 106 [2021-06-05 20:27:10,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:27:10,906 INFO L482 AbstractCegarLoop]: Abstraction has 178868 states and 551227 transitions. [2021-06-05 20:27:10,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 178868 states and 551227 transitions. [2021-06-05 20:27:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:27:11,053 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:27:11,053 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:27:11,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 20:27:11,053 INFO L430 AbstractCegarLoop]: === Iteration 17 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:27:11,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:27:11,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1114331774, now seen corresponding path program 3 times [2021-06-05 20:27:11,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:27:11,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105493142] [2021-06-05 20:27:11,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:27:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:27:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:27:12,596 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:27:12,596 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105493142] [2021-06-05 20:27:12,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105493142] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:27:12,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:27:12,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:27:12,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102207972] [2021-06-05 20:27:12,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:27:12,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:27:12,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:27:12,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:27:12,597 INFO L87 Difference]: Start difference. First operand 178868 states and 551227 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:14,022 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:27:14,276 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-05 20:27:14,665 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-05 20:27:14,923 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:27:15,441 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:27:15,747 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:27:16,044 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:27:16,318 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:27:19,511 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-05 20:27:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:27:22,317 INFO L93 Difference]: Finished difference Result 336839 states and 1040195 transitions. [2021-06-05 20:27:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:27:22,318 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:27:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:27:22,922 INFO L225 Difference]: With dead ends: 336839 [2021-06-05 20:27:22,922 INFO L226 Difference]: Without dead ends: 336839 [2021-06-05 20:27:22,923 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 5784.3ms TimeCoverageRelationStatistics Valid=1179, Invalid=5627, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:27:24,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336839 states. [2021-06-05 20:27:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336839 to 179708. [2021-06-05 20:27:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179708 states, 179704 states have (on average 3.081595290032498) internal successors, (553775), 179707 states have internal predecessors, (553775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179708 states to 179708 states and 553775 transitions. [2021-06-05 20:27:28,580 INFO L78 Accepts]: Start accepts. Automaton has 179708 states and 553775 transitions. Word has length 106 [2021-06-05 20:27:28,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:27:28,581 INFO L482 AbstractCegarLoop]: Abstraction has 179708 states and 553775 transitions. [2021-06-05 20:27:28,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 179708 states and 553775 transitions. [2021-06-05 20:27:28,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:27:28,745 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:27:28,745 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:27:28,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-05 20:27:28,746 INFO L430 AbstractCegarLoop]: === Iteration 18 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:27:28,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:27:28,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1154470286, now seen corresponding path program 4 times [2021-06-05 20:27:28,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:27:28,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400490999] [2021-06-05 20:27:28,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:27:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:27:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:27:30,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:27:30,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400490999] [2021-06-05 20:27:30,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400490999] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:27:30,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:27:30,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:27:30,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722098689] [2021-06-05 20:27:30,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:27:30,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:27:30,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:27:30,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:27:30,337 INFO L87 Difference]: Start difference. First operand 179708 states and 553775 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:31,771 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:27:32,042 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-05 20:27:32,429 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-05 20:27:32,710 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:27:32,933 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-05 20:27:33,229 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:27:33,848 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:27:34,159 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:27:34,439 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:27:40,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:27:40,363 INFO L93 Difference]: Finished difference Result 341339 states and 1054595 transitions. [2021-06-05 20:27:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 20:27:40,363 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:27:40,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:27:40,934 INFO L225 Difference]: With dead ends: 341339 [2021-06-05 20:27:40,934 INFO L226 Difference]: Without dead ends: 341339 [2021-06-05 20:27:40,935 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 6081.5ms TimeCoverageRelationStatistics Valid=1224, Invalid=5748, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 20:27:42,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341339 states. [2021-06-05 20:27:45,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341339 to 185708. [2021-06-05 20:27:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185708 states, 185704 states have (on average 3.0840746564425108) internal successors, (572725), 185707 states have internal predecessors, (572725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185708 states to 185708 states and 572725 transitions. [2021-06-05 20:27:46,112 INFO L78 Accepts]: Start accepts. Automaton has 185708 states and 572725 transitions. Word has length 106 [2021-06-05 20:27:46,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:27:46,113 INFO L482 AbstractCegarLoop]: Abstraction has 185708 states and 572725 transitions. [2021-06-05 20:27:46,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:46,113 INFO L276 IsEmpty]: Start isEmpty. Operand 185708 states and 572725 transitions. [2021-06-05 20:27:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:27:46,274 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:27:46,274 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:27:46,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 20:27:46,275 INFO L430 AbstractCegarLoop]: === Iteration 19 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:27:46,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:27:46,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1612932704, now seen corresponding path program 5 times [2021-06-05 20:27:46,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:27:46,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129671833] [2021-06-05 20:27:46,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:27:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:27:47,151 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2021-06-05 20:27:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:27:47,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:27:47,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129671833] [2021-06-05 20:27:47,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129671833] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:27:47,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:27:47,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:27:47,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362471869] [2021-06-05 20:27:47,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:27:47,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:27:47,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:27:47,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:27:47,785 INFO L87 Difference]: Start difference. First operand 185708 states and 572725 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:49,181 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:27:49,429 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-05 20:27:49,854 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-06-05 20:27:50,131 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-05 20:27:50,420 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-06-05 20:27:50,971 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:27:51,286 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:27:51,556 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:27:57,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:27:57,344 INFO L93 Difference]: Finished difference Result 348089 states and 1075820 transitions. [2021-06-05 20:27:57,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:27:57,345 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:27:57,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:27:57,914 INFO L225 Difference]: With dead ends: 348089 [2021-06-05 20:27:57,914 INFO L226 Difference]: Without dead ends: 348089 [2021-06-05 20:27:57,915 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 5773.6ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:27:59,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348089 states. [2021-06-05 20:28:02,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348089 to 186458. [2021-06-05 20:28:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186458 states, 186454 states have (on average 3.0838705525223378) internal successors, (575000), 186457 states have internal predecessors, (575000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186458 states to 186458 states and 575000 transitions. [2021-06-05 20:28:03,187 INFO L78 Accepts]: Start accepts. Automaton has 186458 states and 575000 transitions. Word has length 106 [2021-06-05 20:28:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:03,188 INFO L482 AbstractCegarLoop]: Abstraction has 186458 states and 575000 transitions. [2021-06-05 20:28:03,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 186458 states and 575000 transitions. [2021-06-05 20:28:03,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:28:03,349 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:03,350 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:28:03,350 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-05 20:28:03,350 INFO L430 AbstractCegarLoop]: === Iteration 20 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:28:03,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:03,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1708088568, now seen corresponding path program 6 times [2021-06-05 20:28:03,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:03,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37388396] [2021-06-05 20:28:03,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:04,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:04,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37388396] [2021-06-05 20:28:04,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37388396] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:04,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:04,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:28:04,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876550498] [2021-06-05 20:28:04,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:28:04,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:04,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:28:04,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:28:04,307 INFO L87 Difference]: Start difference. First operand 186458 states and 575000 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:06,078 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 61 [2021-06-05 20:28:06,417 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2021-06-05 20:28:06,709 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-06-05 20:28:06,986 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-05 20:28:07,368 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-06-05 20:28:07,975 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 20:28:08,284 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 20:28:08,570 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-06-05 20:28:14,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:28:14,473 INFO L93 Difference]: Finished difference Result 341339 states and 1054595 transitions. [2021-06-05 20:28:14,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:28:14,474 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:28:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:28:15,062 INFO L225 Difference]: With dead ends: 341339 [2021-06-05 20:28:15,062 INFO L226 Difference]: Without dead ends: 341339 [2021-06-05 20:28:15,063 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 5125.2ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:28:16,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341339 states. [2021-06-05 20:28:19,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341339 to 190958. [2021-06-05 20:28:19,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190958 states, 190954 states have (on average 3.0826795982278457) internal successors, (588650), 190957 states have internal predecessors, (588650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190958 states to 190958 states and 588650 transitions. [2021-06-05 20:28:20,520 INFO L78 Accepts]: Start accepts. Automaton has 190958 states and 588650 transitions. Word has length 106 [2021-06-05 20:28:20,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:20,520 INFO L482 AbstractCegarLoop]: Abstraction has 190958 states and 588650 transitions. [2021-06-05 20:28:20,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 190958 states and 588650 transitions. [2021-06-05 20:28:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:28:20,687 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:20,687 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:28:20,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 20:28:20,688 INFO L430 AbstractCegarLoop]: === Iteration 21 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:28:20,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:20,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1012862058, now seen corresponding path program 7 times [2021-06-05 20:28:20,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:20,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883580298] [2021-06-05 20:28:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:21,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:21,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883580298] [2021-06-05 20:28:21,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883580298] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:21,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:21,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:28:21,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111348296] [2021-06-05 20:28:21,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:28:21,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:21,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:28:21,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:28:21,659 INFO L87 Difference]: Start difference. First operand 190958 states and 588650 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:22,609 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-05 20:28:23,339 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:28:23,527 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:28:23,734 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 20:28:24,032 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 20:28:24,303 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-05 20:28:24,582 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:28:25,245 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-06-05 20:28:25,551 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:28:25,834 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:28:31,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:28:31,586 INFO L93 Difference]: Finished difference Result 340547 states and 1052153 transitions. [2021-06-05 20:28:31,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:28:31,586 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:28:31,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:28:32,430 INFO L225 Difference]: With dead ends: 340547 [2021-06-05 20:28:32,431 INFO L226 Difference]: Without dead ends: 340547 [2021-06-05 20:28:32,431 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 5440.1ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:28:34,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340547 states. [2021-06-05 20:28:36,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340547 to 191018. [2021-06-05 20:28:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191018 states, 191014 states have (on average 3.0826640979195243) internal successors, (588832), 191017 states have internal predecessors, (588832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191018 states to 191018 states and 588832 transitions. [2021-06-05 20:28:37,805 INFO L78 Accepts]: Start accepts. Automaton has 191018 states and 588832 transitions. Word has length 106 [2021-06-05 20:28:37,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:37,805 INFO L482 AbstractCegarLoop]: Abstraction has 191018 states and 588832 transitions. [2021-06-05 20:28:37,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 191018 states and 588832 transitions. [2021-06-05 20:28:38,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:28:38,017 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:38,017 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:28:38,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-05 20:28:38,017 INFO L430 AbstractCegarLoop]: === Iteration 22 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:28:38,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:38,018 INFO L82 PathProgramCache]: Analyzing trace with hash -596103722, now seen corresponding path program 8 times [2021-06-05 20:28:38,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:38,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696599709] [2021-06-05 20:28:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:38,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:38,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696599709] [2021-06-05 20:28:38,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696599709] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:38,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:38,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:28:38,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028197897] [2021-06-05 20:28:38,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:28:38,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:38,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:28:38,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:28:38,904 INFO L87 Difference]: Start difference. First operand 191018 states and 588832 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:40,596 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 20:28:40,853 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 20:28:41,076 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-05 20:28:41,324 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 20:28:41,869 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-06-05 20:28:42,148 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 20:28:42,411 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-05 20:28:42,634 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:28:43,010 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:28:45,444 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-05 20:28:49,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:28:49,354 INFO L93 Difference]: Finished difference Result 379784 states and 1171704 transitions. [2021-06-05 20:28:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 20:28:49,355 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:28:49,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:28:50,321 INFO L225 Difference]: With dead ends: 379784 [2021-06-05 20:28:50,322 INFO L226 Difference]: Without dead ends: 379784 [2021-06-05 20:28:50,322 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 5595.6ms TimeCoverageRelationStatistics Valid=1257, Invalid=5883, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 20:28:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379784 states. [2021-06-05 20:28:54,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379784 to 191318. [2021-06-05 20:28:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191318 states, 191314 states have (on average 3.0827435524843976) internal successors, (589772), 191317 states have internal predecessors, (589772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:55,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191318 states to 191318 states and 589772 transitions. [2021-06-05 20:28:55,863 INFO L78 Accepts]: Start accepts. Automaton has 191318 states and 589772 transitions. Word has length 106 [2021-06-05 20:28:55,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:55,863 INFO L482 AbstractCegarLoop]: Abstraction has 191318 states and 589772 transitions. [2021-06-05 20:28:55,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:55,864 INFO L276 IsEmpty]: Start isEmpty. Operand 191318 states and 589772 transitions. [2021-06-05 20:28:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:28:56,425 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:56,426 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:28:56,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-05 20:28:56,426 INFO L430 AbstractCegarLoop]: === Iteration 23 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:28:56,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:56,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1339941024, now seen corresponding path program 9 times [2021-06-05 20:28:56,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:56,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464544476] [2021-06-05 20:28:56,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:57,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:57,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464544476] [2021-06-05 20:28:57,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464544476] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:57,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:57,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:28:57,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913906678] [2021-06-05 20:28:57,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:28:57,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:57,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:28:57,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:28:57,679 INFO L87 Difference]: Start difference. First operand 191318 states and 589772 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:59,029 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:28:59,382 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:28:59,658 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-05 20:28:59,888 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-05 20:29:00,147 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:29:00,682 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:29:00,982 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:29:01,279 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:29:01,562 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:29:04,500 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-06-05 20:29:07,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:07,554 INFO L93 Difference]: Finished difference Result 349799 states and 1080257 transitions. [2021-06-05 20:29:07,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:29:07,555 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:29:07,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:08,161 INFO L225 Difference]: With dead ends: 349799 [2021-06-05 20:29:08,161 INFO L226 Difference]: Without dead ends: 349799 [2021-06-05 20:29:08,161 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 5496.1ms TimeCoverageRelationStatistics Valid=1179, Invalid=5627, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:29:09,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349799 states. [2021-06-05 20:29:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349799 to 191288. [2021-06-05 20:29:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191288 states, 191284 states have (on average 3.082751301729366) internal successors, (589681), 191287 states have internal predecessors, (589681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191288 states to 191288 states and 589681 transitions. [2021-06-05 20:29:13,450 INFO L78 Accepts]: Start accepts. Automaton has 191288 states and 589681 transitions. Word has length 106 [2021-06-05 20:29:13,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:13,451 INFO L482 AbstractCegarLoop]: Abstraction has 191288 states and 589681 transitions. [2021-06-05 20:29:13,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 191288 states and 589681 transitions. [2021-06-05 20:29:13,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:29:13,618 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:13,618 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:29:13,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-05 20:29:13,618 INFO L430 AbstractCegarLoop]: === Iteration 24 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:29:13,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:13,619 INFO L82 PathProgramCache]: Analyzing trace with hash 928861036, now seen corresponding path program 10 times [2021-06-05 20:29:13,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:13,619 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472426536] [2021-06-05 20:29:13,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:14,717 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2021-06-05 20:29:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:29:15,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:15,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472426536] [2021-06-05 20:29:15,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472426536] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:15,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:15,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:29:15,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862732678] [2021-06-05 20:29:15,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:29:15,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:15,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:29:15,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:29:15,133 INFO L87 Difference]: Start difference. First operand 191288 states and 589681 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:16,366 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:29:16,555 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:29:16,820 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-05 20:29:17,057 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-05 20:29:17,473 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:29:17,678 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-05 20:29:17,964 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:29:18,612 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:29:18,920 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:29:19,207 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:29:22,509 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-05 20:29:25,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:25,276 INFO L93 Difference]: Finished difference Result 349619 states and 1080461 transitions. [2021-06-05 20:29:25,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 20:29:25,276 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:29:25,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:25,865 INFO L225 Difference]: With dead ends: 349619 [2021-06-05 20:29:25,865 INFO L226 Difference]: Without dead ends: 349619 [2021-06-05 20:29:25,866 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 5966.6ms TimeCoverageRelationStatistics Valid=1224, Invalid=5748, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 20:29:27,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349619 states. [2021-06-05 20:29:30,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349619 to 191048. [2021-06-05 20:29:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191048 states, 191044 states have (on average 3.0826563514164276) internal successors, (588923), 191047 states have internal predecessors, (588923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191048 states to 191048 states and 588923 transitions. [2021-06-05 20:29:31,325 INFO L78 Accepts]: Start accepts. Automaton has 191048 states and 588923 transitions. Word has length 106 [2021-06-05 20:29:31,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:31,325 INFO L482 AbstractCegarLoop]: Abstraction has 191048 states and 588923 transitions. [2021-06-05 20:29:31,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 191048 states and 588923 transitions. [2021-06-05 20:29:31,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:29:31,494 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:31,494 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:29:31,494 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-05 20:29:31,494 INFO L430 AbstractCegarLoop]: === Iteration 25 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:29:31,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:31,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1838541954, now seen corresponding path program 11 times [2021-06-05 20:29:31,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:31,496 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475142946] [2021-06-05 20:29:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:29:32,452 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:32,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475142946] [2021-06-05 20:29:32,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475142946] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:32,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:32,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:29:32,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196610025] [2021-06-05 20:29:32,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:29:32,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:32,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:29:32,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:29:32,453 INFO L87 Difference]: Start difference. First operand 191048 states and 588923 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:34,094 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:29:34,279 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:29:34,537 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-05 20:29:34,779 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-06-05 20:29:35,053 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-05 20:29:35,333 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-06-05 20:29:36,013 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:29:36,313 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:29:36,587 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:29:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:42,201 INFO L93 Difference]: Finished difference Result 348869 states and 1078186 transitions. [2021-06-05 20:29:42,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:29:42,202 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:29:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:43,064 INFO L225 Difference]: With dead ends: 348869 [2021-06-05 20:29:43,065 INFO L226 Difference]: Without dead ends: 348869 [2021-06-05 20:29:43,065 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 5057.1ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:29:44,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348869 states. [2021-06-05 20:29:47,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348869 to 190958. [2021-06-05 20:29:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190958 states, 190954 states have (on average 3.0826795982278457) internal successors, (588650), 190957 states have internal predecessors, (588650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190958 states to 190958 states and 588650 transitions. [2021-06-05 20:29:48,513 INFO L78 Accepts]: Start accepts. Automaton has 190958 states and 588650 transitions. Word has length 106 [2021-06-05 20:29:48,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:48,513 INFO L482 AbstractCegarLoop]: Abstraction has 190958 states and 588650 transitions. [2021-06-05 20:29:48,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 190958 states and 588650 transitions. [2021-06-05 20:29:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:29:48,733 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:48,733 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:29:48,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-05 20:29:48,733 INFO L430 AbstractCegarLoop]: === Iteration 26 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:29:48,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:48,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1605085338, now seen corresponding path program 12 times [2021-06-05 20:29:48,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:48,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333583318] [2021-06-05 20:29:48,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:29:49,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:49,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333583318] [2021-06-05 20:29:49,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333583318] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:49,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:49,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 20:29:49,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132471023] [2021-06-05 20:29:49,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 20:29:49,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:49,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 20:29:49,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1177, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 20:29:49,594 INFO L87 Difference]: Start difference. First operand 190958 states and 588650 transitions. Second operand has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:51,082 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2021-06-05 20:29:51,297 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-06-05 20:29:51,480 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-06-05 20:29:51,678 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-06-05 20:29:51,843 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 69 [2021-06-05 20:29:52,067 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-05 20:29:52,582 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-06-05 20:29:52,846 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:29:53,081 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-05 20:29:53,291 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 20:29:53,629 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-06-05 20:29:56,279 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-06-05 20:29:59,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:59,920 INFO L93 Difference]: Finished difference Result 342926 states and 1058099 transitions. [2021-06-05 20:29:59,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-05 20:29:59,921 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:29:59,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:00,520 INFO L225 Difference]: With dead ends: 342926 [2021-06-05 20:30:00,520 INFO L226 Difference]: Without dead ends: 342926 [2021-06-05 20:30:00,521 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1192 ImplicationChecksByTransitivity, 5599.7ms TimeCoverageRelationStatistics Valid=1280, Invalid=5860, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 20:30:02,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342926 states. [2021-06-05 20:30:05,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342926 to 191318. [2021-06-05 20:30:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191318 states, 191314 states have (on average 3.0827435524843976) internal successors, (589772), 191317 states have internal predecessors, (589772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191318 states to 191318 states and 589772 transitions. [2021-06-05 20:30:06,014 INFO L78 Accepts]: Start accepts. Automaton has 191318 states and 589772 transitions. Word has length 106 [2021-06-05 20:30:06,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:06,014 INFO L482 AbstractCegarLoop]: Abstraction has 191318 states and 589772 transitions. [2021-06-05 20:30:06,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 191318 states and 589772 transitions. [2021-06-05 20:30:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:30:06,184 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:06,184 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:06,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-05 20:30:06,184 INFO L430 AbstractCegarLoop]: === Iteration 27 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:30:06,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:06,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1946044656, now seen corresponding path program 13 times [2021-06-05 20:30:06,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:06,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108030772] [2021-06-05 20:30:06,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:06,938 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-06-05 20:30:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:07,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:07,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108030772] [2021-06-05 20:30:07,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108030772] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:07,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:07,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:30:07,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984431336] [2021-06-05 20:30:07,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:30:07,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:07,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:30:07,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:30:07,756 INFO L87 Difference]: Start difference. First operand 191318 states and 589772 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:08,955 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:30:09,189 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-05 20:30:09,398 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-06-05 20:30:09,857 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-05 20:30:10,051 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-06-05 20:30:10,316 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-05 20:30:10,860 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-05 20:30:11,174 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:30:11,479 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:30:11,766 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-06-05 20:30:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:17,566 INFO L93 Difference]: Finished difference Result 329027 states and 1015679 transitions. [2021-06-05 20:30:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 20:30:17,567 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:30:17,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:18,136 INFO L225 Difference]: With dead ends: 329027 [2021-06-05 20:30:18,136 INFO L226 Difference]: Without dead ends: 329027 [2021-06-05 20:30:18,136 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 6049.5ms TimeCoverageRelationStatistics Valid=1218, Invalid=5754, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 20:30:19,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329027 states. [2021-06-05 20:30:22,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329027 to 191318. [2021-06-05 20:30:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191318 states, 191314 states have (on average 3.0827435524843976) internal successors, (589772), 191317 states have internal predecessors, (589772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191318 states to 191318 states and 589772 transitions. [2021-06-05 20:30:23,537 INFO L78 Accepts]: Start accepts. Automaton has 191318 states and 589772 transitions. Word has length 106 [2021-06-05 20:30:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:23,538 INFO L482 AbstractCegarLoop]: Abstraction has 191318 states and 589772 transitions. [2021-06-05 20:30:23,538 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 191318 states and 589772 transitions. [2021-06-05 20:30:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:30:23,714 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:23,714 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:23,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-05 20:30:23,714 INFO L430 AbstractCegarLoop]: === Iteration 28 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:30:23,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:23,715 INFO L82 PathProgramCache]: Analyzing trace with hash -80120580, now seen corresponding path program 14 times [2021-06-05 20:30:23,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:23,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867854484] [2021-06-05 20:30:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:24,646 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:24,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867854484] [2021-06-05 20:30:24,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867854484] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:24,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:24,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:30:24,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407918187] [2021-06-05 20:30:24,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:30:24,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:24,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:30:24,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:30:24,647 INFO L87 Difference]: Start difference. First operand 191318 states and 589772 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:26,301 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:30:26,538 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-05 20:30:26,750 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-06-05 20:30:26,976 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-05 20:30:27,172 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-06-05 20:30:27,431 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-05 20:30:27,668 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-06-05 20:30:27,955 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-05 20:30:28,710 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-06-05 20:30:29,038 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-06-05 20:30:29,346 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-06-05 20:30:31,066 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2021-06-05 20:30:35,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:35,315 INFO L93 Difference]: Finished difference Result 324527 states and 1002029 transitions. [2021-06-05 20:30:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 20:30:35,316 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:30:35,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:36,127 INFO L225 Difference]: With dead ends: 324527 [2021-06-05 20:30:36,128 INFO L226 Difference]: Without dead ends: 324527 [2021-06-05 20:30:36,128 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 5905.7ms TimeCoverageRelationStatistics Valid=1264, Invalid=5876, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 20:30:37,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324527 states. [2021-06-05 20:30:40,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324527 to 191318. [2021-06-05 20:30:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191318 states, 191314 states have (on average 3.0827435524843976) internal successors, (589772), 191317 states have internal predecessors, (589772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:41,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191318 states to 191318 states and 589772 transitions. [2021-06-05 20:30:41,010 INFO L78 Accepts]: Start accepts. Automaton has 191318 states and 589772 transitions. Word has length 106 [2021-06-05 20:30:41,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:41,010 INFO L482 AbstractCegarLoop]: Abstraction has 191318 states and 589772 transitions. [2021-06-05 20:30:41,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 191318 states and 589772 transitions. [2021-06-05 20:30:41,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:30:41,749 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:41,750 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:41,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-05 20:30:41,750 INFO L430 AbstractCegarLoop]: === Iteration 29 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:30:41,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:41,750 INFO L82 PathProgramCache]: Analyzing trace with hash -292733220, now seen corresponding path program 15 times [2021-06-05 20:30:41,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:41,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357795885] [2021-06-05 20:30:41,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:42,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:42,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357795885] [2021-06-05 20:30:42,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357795885] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:42,609 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:42,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 20:30:42,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079887900] [2021-06-05 20:30:42,610 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 20:30:42,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:42,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 20:30:42,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1177, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 20:30:42,610 INFO L87 Difference]: Start difference. First operand 191318 states and 589772 transitions. Second operand has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:44,012 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:30:44,468 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2021-06-05 20:30:44,947 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-06-05 20:30:45,178 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-06-05 20:30:45,394 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-06-05 20:30:45,594 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-06-05 20:30:45,833 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-06-05 20:30:46,049 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-06-05 20:30:46,383 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-06-05 20:30:48,620 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2021-06-05 20:30:48,784 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-06-05 20:30:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:52,660 INFO L93 Difference]: Finished difference Result 335987 states and 1036279 transitions. [2021-06-05 20:30:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-05 20:30:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:30:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:53,258 INFO L225 Difference]: With dead ends: 335987 [2021-06-05 20:30:53,258 INFO L226 Difference]: Without dead ends: 335987 [2021-06-05 20:30:53,258 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 5248.7ms TimeCoverageRelationStatistics Valid=1293, Invalid=5847, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 20:30:55,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335987 states. [2021-06-05 20:30:58,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335987 to 191711. [2021-06-05 20:30:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191711 states, 191707 states have (on average 3.0826260908574024) internal successors, (590961), 191710 states have internal predecessors, (590961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:58,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191711 states to 191711 states and 590961 transitions. [2021-06-05 20:30:58,630 INFO L78 Accepts]: Start accepts. Automaton has 191711 states and 590961 transitions. Word has length 106 [2021-06-05 20:30:58,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:58,630 INFO L482 AbstractCegarLoop]: Abstraction has 191711 states and 590961 transitions. [2021-06-05 20:30:58,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:58,630 INFO L276 IsEmpty]: Start isEmpty. Operand 191711 states and 590961 transitions. [2021-06-05 20:30:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:30:58,801 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:58,801 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:58,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 20:30:58,801 INFO L430 AbstractCegarLoop]: === Iteration 30 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:30:58,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:58,802 INFO L82 PathProgramCache]: Analyzing trace with hash 334626484, now seen corresponding path program 16 times [2021-06-05 20:30:58,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:58,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127567104] [2021-06-05 20:30:58,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:59,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:59,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127567104] [2021-06-05 20:30:59,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127567104] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:59,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:59,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-05 20:30:59,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776133822] [2021-06-05 20:30:59,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 20:30:59,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:59,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 20:30:59,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1177, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 20:30:59,606 INFO L87 Difference]: Start difference. First operand 191711 states and 590961 transitions. Second operand has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:01,484 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-06-05 20:31:01,670 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-06-05 20:31:01,864 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-06-05 20:31:02,309 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-06-05 20:31:02,551 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-06-05 20:31:02,915 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:31:03,140 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-06-05 20:31:03,355 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 20:31:03,611 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-06-05 20:31:09,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:31:09,691 INFO L93 Difference]: Finished difference Result 337901 states and 1042113 transitions. [2021-06-05 20:31:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 20:31:09,692 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:31:09,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:31:10,508 INFO L225 Difference]: With dead ends: 337901 [2021-06-05 20:31:10,508 INFO L226 Difference]: Without dead ends: 337901 [2021-06-05 20:31:10,509 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 4916.6ms TimeCoverageRelationStatistics Valid=1235, Invalid=5737, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 20:31:12,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337901 states. [2021-06-05 20:31:14,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337901 to 191741. [2021-06-05 20:31:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191741 states, 191737 states have (on average 3.0826183782994416) internal successors, (591052), 191740 states have internal predecessors, (591052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191741 states to 191741 states and 591052 transitions. [2021-06-05 20:31:15,275 INFO L78 Accepts]: Start accepts. Automaton has 191741 states and 591052 transitions. Word has length 106 [2021-06-05 20:31:15,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:31:15,275 INFO L482 AbstractCegarLoop]: Abstraction has 191741 states and 591052 transitions. [2021-06-05 20:31:15,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 191741 states and 591052 transitions. [2021-06-05 20:31:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:31:15,941 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:31:15,941 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:31:15,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 20:31:15,942 INFO L430 AbstractCegarLoop]: === Iteration 31 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:31:15,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:31:15,942 INFO L82 PathProgramCache]: Analyzing trace with hash -409210818, now seen corresponding path program 17 times [2021-06-05 20:31:15,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:31:15,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557118584] [2021-06-05 20:31:15,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:31:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:31:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:31:16,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:31:16,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557118584] [2021-06-05 20:31:16,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557118584] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:31:16,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:31:16,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:31:16,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643358543] [2021-06-05 20:31:16,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:31:16,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:31:16,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:31:16,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:31:16,892 INFO L87 Difference]: Start difference. First operand 191741 states and 591052 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:18,092 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:31:18,609 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-05 20:31:18,817 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-06-05 20:31:19,038 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-05 20:31:19,519 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-06-05 20:31:19,793 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:31:20,084 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:31:20,378 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-06-05 20:31:20,641 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:31:23,572 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-06-05 20:31:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:31:26,327 INFO L93 Difference]: Finished difference Result 318992 states and 984526 transitions. [2021-06-05 20:31:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:31:26,328 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:31:26,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:31:26,883 INFO L225 Difference]: With dead ends: 318992 [2021-06-05 20:31:26,883 INFO L226 Difference]: Without dead ends: 318992 [2021-06-05 20:31:26,883 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1110 ImplicationChecksByTransitivity, 5009.8ms TimeCoverageRelationStatistics Valid=1175, Invalid=5631, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:31:28,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318992 states. [2021-06-05 20:31:31,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318992 to 191711. [2021-06-05 20:31:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191711 states, 191707 states have (on average 3.0826260908574024) internal successors, (590961), 191710 states have internal predecessors, (590961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191711 states to 191711 states and 590961 transitions. [2021-06-05 20:31:32,312 INFO L78 Accepts]: Start accepts. Automaton has 191711 states and 590961 transitions. Word has length 106 [2021-06-05 20:31:32,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:31:32,312 INFO L482 AbstractCegarLoop]: Abstraction has 191711 states and 590961 transitions. [2021-06-05 20:31:32,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 191711 states and 590961 transitions. [2021-06-05 20:31:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:31:32,480 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:31:32,480 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:31:32,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 20:31:32,481 INFO L430 AbstractCegarLoop]: === Iteration 32 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:31:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:31:32,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1186868084, now seen corresponding path program 18 times [2021-06-05 20:31:32,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:31:32,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682597321] [2021-06-05 20:31:32,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:31:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:31:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:31:33,335 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:31:33,335 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682597321] [2021-06-05 20:31:33,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682597321] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:31:33,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:31:33,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:31:33,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227678988] [2021-06-05 20:31:33,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:31:33,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:31:33,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:31:33,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:31:33,337 INFO L87 Difference]: Start difference. First operand 191711 states and 590961 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:35,171 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:31:35,378 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 20:31:35,594 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-05 20:31:35,842 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 20:31:36,376 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-06-05 20:31:36,655 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 20:31:36,980 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-05 20:31:37,234 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:31:37,510 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:31:43,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:31:43,515 INFO L93 Difference]: Finished difference Result 351209 states and 1084001 transitions. [2021-06-05 20:31:43,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 20:31:43,515 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:31:43,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:31:44,113 INFO L225 Difference]: With dead ends: 351209 [2021-06-05 20:31:44,113 INFO L226 Difference]: Without dead ends: 351209 [2021-06-05 20:31:44,113 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 5306.4ms TimeCoverageRelationStatistics Valid=1257, Invalid=5883, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 20:31:46,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351209 states. [2021-06-05 20:31:48,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351209 to 192011. [2021-06-05 20:31:49,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192011 states, 192007 states have (on average 3.08270531803528) internal successors, (591901), 192010 states have internal predecessors, (591901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192011 states to 192011 states and 591901 transitions. [2021-06-05 20:31:49,446 INFO L78 Accepts]: Start accepts. Automaton has 192011 states and 591901 transitions. Word has length 106 [2021-06-05 20:31:49,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:31:49,446 INFO L482 AbstractCegarLoop]: Abstraction has 192011 states and 591901 transitions. [2021-06-05 20:31:49,446 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 192011 states and 591901 transitions. [2021-06-05 20:31:50,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:31:50,156 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:31:50,156 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:31:50,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 20:31:50,156 INFO L430 AbstractCegarLoop]: === Iteration 33 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:31:50,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:31:50,156 INFO L82 PathProgramCache]: Analyzing trace with hash 443030782, now seen corresponding path program 19 times [2021-06-05 20:31:50,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:31:50,156 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619578734] [2021-06-05 20:31:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:31:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:31:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:31:51,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:31:51,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619578734] [2021-06-05 20:31:51,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619578734] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:31:51,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:31:51,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:31:51,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255027822] [2021-06-05 20:31:51,193 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:31:51,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:31:51,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:31:51,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:31:51,194 INFO L87 Difference]: Start difference. First operand 192011 states and 591901 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:52,423 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:31:52,915 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-05 20:31:53,136 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-06-05 20:31:53,369 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-06-05 20:31:53,636 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:31:54,194 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:31:54,509 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-06-05 20:31:54,809 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 20:31:55,097 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:32:01,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:32:01,082 INFO L93 Difference]: Finished difference Result 337310 states and 1041581 transitions. [2021-06-05 20:32:01,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:32:01,083 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:32:01,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:01,671 INFO L225 Difference]: With dead ends: 337310 [2021-06-05 20:32:01,671 INFO L226 Difference]: Without dead ends: 337310 [2021-06-05 20:32:01,672 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 5224.9ms TimeCoverageRelationStatistics Valid=1179, Invalid=5627, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:32:03,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337310 states. [2021-06-05 20:32:06,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337310 to 191981. [2021-06-05 20:32:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191981 states, 191977 states have (on average 3.082713033332118) internal successors, (591810), 191980 states have internal predecessors, (591810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191981 states to 191981 states and 591810 transitions. [2021-06-05 20:32:07,561 INFO L78 Accepts]: Start accepts. Automaton has 191981 states and 591810 transitions. Word has length 106 [2021-06-05 20:32:07,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:07,561 INFO L482 AbstractCegarLoop]: Abstraction has 191981 states and 591810 transitions. [2021-06-05 20:32:07,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:07,561 INFO L276 IsEmpty]: Start isEmpty. Operand 191981 states and 591810 transitions. [2021-06-05 20:32:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:32:07,744 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:07,744 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:32:07,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 20:32:07,744 INFO L430 AbstractCegarLoop]: === Iteration 34 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:32:07,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:07,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1583134454, now seen corresponding path program 20 times [2021-06-05 20:32:07,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:07,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280307448] [2021-06-05 20:32:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:08,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:32:08,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280307448] [2021-06-05 20:32:08,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280307448] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:32:08,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:32:08,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:32:08,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121859853] [2021-06-05 20:32:08,907 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:32:08,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:32:08,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:32:08,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:32:08,908 INFO L87 Difference]: Start difference. First operand 191981 states and 591810 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:10,210 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2021-06-05 20:32:10,654 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:32:10,922 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-05 20:32:11,168 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-06-05 20:32:11,396 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-06-05 20:32:11,660 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:32:11,863 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:32:12,138 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:32:12,829 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:32:13,129 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2021-06-05 20:32:13,404 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:32:19,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:32:19,276 INFO L93 Difference]: Finished difference Result 339470 states and 1048883 transitions. [2021-06-05 20:32:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 20:32:19,276 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:32:19,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:19,848 INFO L225 Difference]: With dead ends: 339470 [2021-06-05 20:32:19,848 INFO L226 Difference]: Without dead ends: 339470 [2021-06-05 20:32:19,848 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 5750.4ms TimeCoverageRelationStatistics Valid=1224, Invalid=5748, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 20:32:21,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339470 states. [2021-06-05 20:32:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339470 to 191741. [2021-06-05 20:32:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191741 states, 191737 states have (on average 3.0826183782994416) internal successors, (591052), 191740 states have internal predecessors, (591052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191741 states to 191741 states and 591052 transitions. [2021-06-05 20:32:25,104 INFO L78 Accepts]: Start accepts. Automaton has 191741 states and 591052 transitions. Word has length 106 [2021-06-05 20:32:25,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:25,105 INFO L482 AbstractCegarLoop]: Abstraction has 191741 states and 591052 transitions. [2021-06-05 20:32:25,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 191741 states and 591052 transitions. [2021-06-05 20:32:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:32:25,279 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:25,279 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:32:25,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 20:32:25,279 INFO L430 AbstractCegarLoop]: === Iteration 35 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:32:25,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:25,280 INFO L82 PathProgramCache]: Analyzing trace with hash -55570148, now seen corresponding path program 21 times [2021-06-05 20:32:25,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:25,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380708164] [2021-06-05 20:32:25,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:26,862 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:32:26,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380708164] [2021-06-05 20:32:26,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380708164] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:32:26,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:32:26,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:32:26,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969347835] [2021-06-05 20:32:26,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:32:26,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:32:26,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:32:26,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:32:26,863 INFO L87 Difference]: Start difference. First operand 191741 states and 591052 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:28,136 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-05 20:32:28,597 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-05 20:32:28,821 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-06-05 20:32:29,065 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 20:32:29,332 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:32:29,612 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-06-05 20:32:30,230 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:32:30,540 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2021-06-05 20:32:30,822 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:32:37,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:32:37,013 INFO L93 Difference]: Finished difference Result 331700 states and 1024534 transitions. [2021-06-05 20:32:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:32:37,013 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:32:37,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:37,598 INFO L225 Difference]: With dead ends: 331700 [2021-06-05 20:32:37,599 INFO L226 Difference]: Without dead ends: 331700 [2021-06-05 20:32:37,599 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 5295.6ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:32:39,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331700 states. [2021-06-05 20:32:41,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331700 to 191741. [2021-06-05 20:32:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191741 states, 191737 states have (on average 3.0826183782994416) internal successors, (591052), 191740 states have internal predecessors, (591052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191741 states to 191741 states and 591052 transitions. [2021-06-05 20:32:42,937 INFO L78 Accepts]: Start accepts. Automaton has 191741 states and 591052 transitions. Word has length 106 [2021-06-05 20:32:42,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:42,937 INFO L482 AbstractCegarLoop]: Abstraction has 191741 states and 591052 transitions. [2021-06-05 20:32:42,937 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 191741 states and 591052 transitions. [2021-06-05 20:32:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:32:43,104 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:43,104 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:32:43,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-05 20:32:43,104 INFO L430 AbstractCegarLoop]: === Iteration 36 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:32:43,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:43,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1431390258, now seen corresponding path program 22 times [2021-06-05 20:32:43,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:43,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991182278] [2021-06-05 20:32:43,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:44,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:32:44,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991182278] [2021-06-05 20:32:44,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991182278] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:32:44,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:32:44,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:32:44,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710754947] [2021-06-05 20:32:44,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:32:44,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:32:44,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:32:44,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:32:44,031 INFO L87 Difference]: Start difference. First operand 191741 states and 591052 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:45,909 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:32:46,118 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 20:32:46,416 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 20:32:46,688 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-05 20:32:46,965 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:32:47,656 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-06-05 20:32:47,970 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:32:48,258 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:32:50,009 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-06-05 20:32:54,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:32:54,137 INFO L93 Difference]: Finished difference Result 346220 states and 1069358 transitions. [2021-06-05 20:32:54,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:32:54,138 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:32:54,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:55,027 INFO L225 Difference]: With dead ends: 346220 [2021-06-05 20:32:55,027 INFO L226 Difference]: Without dead ends: 346220 [2021-06-05 20:32:55,027 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 5484.6ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:32:56,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346220 states. [2021-06-05 20:32:59,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346220 to 191741. [2021-06-05 20:32:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191741 states, 191737 states have (on average 3.0826183782994416) internal successors, (591052), 191740 states have internal predecessors, (591052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191741 states to 191741 states and 591052 transitions. [2021-06-05 20:33:00,039 INFO L78 Accepts]: Start accepts. Automaton has 191741 states and 591052 transitions. Word has length 106 [2021-06-05 20:33:00,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:33:00,040 INFO L482 AbstractCegarLoop]: Abstraction has 191741 states and 591052 transitions. [2021-06-05 20:33:00,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:00,040 INFO L276 IsEmpty]: Start isEmpty. Operand 191741 states and 591052 transitions. [2021-06-05 20:33:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:33:00,733 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:33:00,733 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:33:00,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-05 20:33:00,733 INFO L430 AbstractCegarLoop]: === Iteration 37 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:33:00,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:33:00,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1014631922, now seen corresponding path program 23 times [2021-06-05 20:33:00,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:33:00,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625279738] [2021-06-05 20:33:00,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:33:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:33:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:33:01,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:33:01,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625279738] [2021-06-05 20:33:01,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625279738] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:33:01,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:33:01,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:33:01,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547759273] [2021-06-05 20:33:01,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:33:01,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:33:01,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:33:01,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:33:01,683 INFO L87 Difference]: Start difference. First operand 191741 states and 591052 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:03,333 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 20:33:03,584 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-05 20:33:03,805 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-05 20:33:04,052 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-05 20:33:04,587 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-06-05 20:33:04,867 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 20:33:05,116 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-05 20:33:05,340 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:33:05,616 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:33:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:33:12,064 INFO L93 Difference]: Finished difference Result 377177 states and 1163043 transitions. [2021-06-05 20:33:12,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 20:33:12,065 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:33:12,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:33:12,716 INFO L225 Difference]: With dead ends: 377177 [2021-06-05 20:33:12,716 INFO L226 Difference]: Without dead ends: 377177 [2021-06-05 20:33:12,716 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 5503.5ms TimeCoverageRelationStatistics Valid=1257, Invalid=5883, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 20:33:14,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377177 states. [2021-06-05 20:33:17,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377177 to 192041. [2021-06-05 20:33:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192041 states, 192037 states have (on average 3.082697605149008) internal successors, (591992), 192040 states have internal predecessors, (591992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192041 states to 192041 states and 591992 transitions. [2021-06-05 20:33:18,300 INFO L78 Accepts]: Start accepts. Automaton has 192041 states and 591992 transitions. Word has length 106 [2021-06-05 20:33:18,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:33:18,301 INFO L482 AbstractCegarLoop]: Abstraction has 192041 states and 591992 transitions. [2021-06-05 20:33:18,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 192041 states and 591992 transitions. [2021-06-05 20:33:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-05 20:33:18,483 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:33:18,483 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:33:18,483 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-05 20:33:18,483 INFO L430 AbstractCegarLoop]: === Iteration 38 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:33:18,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:33:18,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1758469224, now seen corresponding path program 24 times [2021-06-05 20:33:18,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:33:18,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208258960] [2021-06-05 20:33:18,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:33:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:33:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:33:20,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:33:20,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208258960] [2021-06-05 20:33:20,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208258960] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:33:20,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:33:20,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-05 20:33:20,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452978356] [2021-06-05 20:33:20,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 20:33:20,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:33:20,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 20:33:20,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 20:33:20,129 INFO L87 Difference]: Start difference. First operand 192041 states and 591992 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:21,565 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-05 20:33:22,068 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-05 20:33:22,308 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-05 20:33:22,570 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:33:23,118 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:33:23,423 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:33:23,722 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:33:24,003 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:33:29,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:33:29,996 INFO L93 Difference]: Finished difference Result 347192 states and 1071596 transitions. [2021-06-05 20:33:29,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 20:33:29,997 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-05 20:33:29,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:33:30,580 INFO L225 Difference]: With dead ends: 347192 [2021-06-05 20:33:30,580 INFO L226 Difference]: Without dead ends: 347192 [2021-06-05 20:33:30,581 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 5352.8ms TimeCoverageRelationStatistics Valid=1179, Invalid=5627, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:33:32,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347192 states. Received shutdown request... [2021-06-05 20:33:33,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-05 20:33:33,136 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 20:33:33,136 INFO L301 ceAbstractionStarter]: Result for error location reader_twoThread1of1ForFork0 was TIMEOUT (3/3) [2021-06-05 20:33:33,137 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 20:33:33,138 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 20:33:33,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 08:33:33 BasicIcfg [2021-06-05 20:33:33,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 20:33:33,139 INFO L168 Benchmark]: Toolchain (without parser) took 704069.94 ms. Allocated memory was 339.7 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 301.8 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.0 GB. [2021-06-05 20:33:33,139 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.4 MB in the beginning and 320.3 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 20:33:33,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.47 ms. Allocated memory is still 339.7 MB. Free memory was 301.7 MB in the beginning and 263.5 MB in the end (delta: 38.2 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:33,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.54 ms. Allocated memory is still 339.7 MB. Free memory was 263.5 MB in the beginning and 260.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:33,139 INFO L168 Benchmark]: Boogie Preprocessor took 44.07 ms. Allocated memory is still 339.7 MB. Free memory was 260.1 MB in the beginning and 258.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:33,139 INFO L168 Benchmark]: RCFGBuilder took 452.20 ms. Allocated memory is still 339.7 MB. Free memory was 258.0 MB in the beginning and 213.1 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:33,139 INFO L168 Benchmark]: TraceAbstraction took 702893.37 ms. Allocated memory was 339.7 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 213.1 MB in the beginning and 8.6 GB in the end (delta: -8.4 GB). Peak memory consumption was 7.9 GB. Max. memory is 16.0 GB. [2021-06-05 20:33:33,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.4 MB in the beginning and 320.3 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 615.47 ms. Allocated memory is still 339.7 MB. Free memory was 301.7 MB in the beginning and 263.5 MB in the end (delta: 38.2 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.54 ms. Allocated memory is still 339.7 MB. Free memory was 263.5 MB in the beginning and 260.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.07 ms. Allocated memory is still 339.7 MB. Free memory was 260.1 MB in the beginning and 258.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 452.20 ms. Allocated memory is still 339.7 MB. Free memory was 258.0 MB in the beginning and 213.1 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 702893.37 ms. Allocated memory was 339.7 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 213.1 MB in the beginning and 8.6 GB in the end (delta: -8.4 GB). Peak memory consumption was 7.9 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 executing MinimizeSevpa. - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: reader_two with 1 thread instances CFG has 5 procedures, 311 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7956.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 832.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7122.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=90905occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 311 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7303.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 479.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6823.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=90905occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: reader_twoThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 311 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 687436.2ms, OverallIterations: 38, TraceHistogramMax: 1, EmptinessCheckTime: 8405.4ms, AutomataDifference: 463005.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7162.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 48201 SDtfs, 138582 SDslu, 720317 SDs, 0 SdLazy, 299283 SolverSat, 3900 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 114144.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3565 GetRequests, 121 SyntacticMatches, 70 SemanticMatches, 3374 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63165 ImplicationChecksByTransitivity, 288999.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=192041occurred in iteration=37, InterpolantAutomatonStates: 2317, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 170906.5ms AutomataMinimizationTime, 38 MinimizatonAttempts, 4380604 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 81.5ms SsaConstructionTime, 1239.8ms SatisfiabilityAnalysisTime, 36316.2ms InterpolantComputationTime, 3891 NumberOfCodeBlocks, 3891 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 3853 ConstructedInterpolants, 0 QuantifiedInterpolants, 58642 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 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