/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 21:50:38,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 21:50:38,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 21:50:38,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-21 21:50:38,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-21 21:50:38,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-21 21:50:38,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-21 21:50:38,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-21 21:50:38,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-21 21:50:38,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-21 21:50:38,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-21 21:50:38,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-21 21:50:38,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 21:50:38,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 21:50:38,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 21:50:38,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 21:50:38,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 21:50:38,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 21:50:38,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 21:50:38,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 21:50:38,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 21:50:38,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 21:50:38,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 21:50:38,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 21:50:38,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 21:50:38,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 21:50:38,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 21:50:38,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 21:50:38,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-05-21 21:50:38,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 21:50:38,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 21:50:38,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 21:50:38,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 21:50:38,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 21:50:38,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 21:50:38,611 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 21:50:38,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 21:50:38,611 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 21:50:38,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 21:50:38,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 21:50:38,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 21:50:38,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 21:50:38,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 21:50:38,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 21:50:38,612 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 21:50:38,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 21:50:38,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 21:50:38,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 21:50:38,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 21:50:38,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 21:50:38,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 21:50:38,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 21:50:38,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 21:50:38,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 21:50:38,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 21:50:38,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 21:50:38,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 21:50:38,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 21:50:38,614 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 21:50:38,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 21:50:38,614 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-21 21:50:38,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 21:50:38,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 21:50:38,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 21:50:38,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 21:50:38,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 21:50:38,907 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 21:50:38,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2021-05-21 21:50:38,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f567da73/75a88b7637d540b482ebb6d1039bcf03/FLAGf9091f394 [2021-05-21 21:50:39,498 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 21:50:39,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2021-05-21 21:50:39,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f567da73/75a88b7637d540b482ebb6d1039bcf03/FLAGf9091f394 [2021-05-21 21:50:39,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f567da73/75a88b7637d540b482ebb6d1039bcf03 [2021-05-21 21:50:39,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 21:50:40,354 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 21:50:40,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 21:50:40,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 21:50:40,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 21:50:40,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 09:50:39" (1/1) ... [2021-05-21 21:50:40,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f80ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40, skipping insertion in model container [2021-05-21 21:50:40,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 09:50:39" (1/1) ... [2021-05-21 21:50:40,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 21:50:40,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 21:50:40,709 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/queue_longer.i[43296,43309] [2021-05-21 21:50:40,714 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/queue_longer.i[43503,43516] [2021-05-21 21:50:40,716 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/queue_longer.i[43783,43796] [2021-05-21 21:50:40,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 21:50:40,727 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 21:50:40,759 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/queue_longer.i[43296,43309] [2021-05-21 21:50:40,761 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/queue_longer.i[43503,43516] [2021-05-21 21:50:40,763 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/queue_longer.i[43783,43796] [2021-05-21 21:50:40,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 21:50:40,867 INFO L208 MainTranslator]: Completed translation [2021-05-21 21:50:40,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40 WrapperNode [2021-05-21 21:50:40,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 21:50:40,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 21:50:40,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 21:50:40,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 21:50:40,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 21:50:40,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 21:50:40,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 21:50:40,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 21:50:40,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... [2021-05-21 21:50:40,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 21:50:40,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 21:50:40,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 21:50:40,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 21:50:40,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 21:50:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-05-21 21:50:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-05-21 21:50:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-05-21 21:50:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-05-21 21:50:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 21:50:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 21:50:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 21:50:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 21:50:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-05-21 21:50:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 21:50:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 21:50:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 21:50:41,047 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 21:50:41,559 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 21:50:41,560 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-05-21 21:50:41,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 09:50:41 BoogieIcfgContainer [2021-05-21 21:50:41,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 21:50:41,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 21:50:41,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 21:50:41,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 21:50:41,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 09:50:39" (1/3) ... [2021-05-21 21:50:41,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3650b1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 09:50:41, skipping insertion in model container [2021-05-21 21:50:41,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 09:50:40" (2/3) ... [2021-05-21 21:50:41,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3650b1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 09:50:41, skipping insertion in model container [2021-05-21 21:50:41,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 09:50:41" (3/3) ... [2021-05-21 21:50:41,568 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2021-05-21 21:50:41,572 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 21:50:41,573 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 21:50:41,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-05-21 21:50:41,573 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 21:50:41,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,607 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,607 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,609 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,609 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,611 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,612 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,613 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,614 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,617 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,617 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,629 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,629 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,657 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,657 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,657 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,657 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,662 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,662 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,662 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,662 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,662 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,663 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,663 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,664 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,664 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,664 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,665 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,665 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,665 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,665 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,665 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,665 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,665 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,665 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,667 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,667 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,667 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,667 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,668 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,668 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,669 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,669 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,670 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,670 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,670 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,670 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,671 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,671 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,671 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,671 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,671 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,671 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,671 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,671 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,673 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,674 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,674 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,674 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,674 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,676 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,688 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,688 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,688 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,697 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,697 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,697 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,697 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,697 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,699 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,700 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,701 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,705 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,705 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,706 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,706 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,707 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,707 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 21:50:41,722 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-05-21 21:50:41,758 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-05-21 21:50:41,782 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 21:50:41,782 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 21:50:41,782 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 21:50:41,782 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 21:50:41,782 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 21:50:41,782 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 21:50:41,782 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 21:50:41,782 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 21:50:41,802 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 247 places, 257 transitions, 536 flow [2021-05-21 21:50:42,915 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 23654 states, 23649 states have (on average 2.8479428305636603) internal successors, (67351), 23653 states have internal predecessors, (67351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 23654 states, 23649 states have (on average 2.8479428305636603) internal successors, (67351), 23653 states have internal predecessors, (67351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:42,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 21:50:42,966 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:42,966 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:42,967 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:42,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:42,971 INFO L82 PathProgramCache]: Analyzing trace with hash 617310073, now seen corresponding path program 1 times [2021-05-21 21:50:42,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:42,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160732619] [2021-05-21 21:50:42,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:43,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:43,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160732619] [2021-05-21 21:50:43,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160732619] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:43,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:43,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 21:50:43,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724391544] [2021-05-21 21:50:43,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-21 21:50:43,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:43,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-21 21:50:43,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 21:50:43,322 INFO L87 Difference]: Start difference. First operand has 23654 states, 23649 states have (on average 2.8479428305636603) internal successors, (67351), 23653 states have internal predecessors, (67351), 0 states have call successors, (0), 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 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:43,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:43,619 INFO L93 Difference]: Finished difference Result 23006 states and 64260 transitions. [2021-05-21 21:50:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-21 21:50:43,621 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-05-21 21:50:43,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:43,769 INFO L225 Difference]: With dead ends: 23006 [2021-05-21 21:50:43,770 INFO L226 Difference]: Without dead ends: 22283 [2021-05-21 21:50:43,771 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 21:50:44,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22283 states. [2021-05-21 21:50:44,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22283 to 22283. [2021-05-21 21:50:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22280 states have (on average 2.798653500897666) internal successors, (62354), 22282 states have internal predecessors, (62354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 62354 transitions. [2021-05-21 21:50:44,662 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 62354 transitions. Word has length 48 [2021-05-21 21:50:44,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:44,662 INFO L482 AbstractCegarLoop]: Abstraction has 22283 states and 62354 transitions. [2021-05-21 21:50:44,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 62354 transitions. [2021-05-21 21:50:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-05-21 21:50:44,680 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:44,681 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:44,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 21:50:44,681 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:44,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:44,683 INFO L82 PathProgramCache]: Analyzing trace with hash -383819529, now seen corresponding path program 1 times [2021-05-21 21:50:44,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:44,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076017255] [2021-05-21 21:50:44,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:45,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:45,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076017255] [2021-05-21 21:50:45,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076017255] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:45,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:45,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-05-21 21:50:45,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154778813] [2021-05-21 21:50:45,026 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-21 21:50:45,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:45,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-21 21:50:45,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-05-21 21:50:45,027 INFO L87 Difference]: Start difference. First operand 22283 states and 62354 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:45,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:45,780 INFO L93 Difference]: Finished difference Result 22280 states and 62350 transitions. [2021-05-21 21:50:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-21 21:50:45,781 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2021-05-21 21:50:45,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:45,838 INFO L225 Difference]: With dead ends: 22280 [2021-05-21 21:50:45,838 INFO L226 Difference]: Without dead ends: 22280 [2021-05-21 21:50:45,840 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 441.4ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-05-21 21:50:45,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22280 states. [2021-05-21 21:50:46,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22280 to 22280. [2021-05-21 21:50:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22280 states, 22277 states have (on average 2.798850832697401) internal successors, (62350), 22279 states have internal predecessors, (62350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22280 states to 22280 states and 62350 transitions. [2021-05-21 21:50:46,450 INFO L78 Accepts]: Start accepts. Automaton has 22280 states and 62350 transitions. Word has length 83 [2021-05-21 21:50:46,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:46,450 INFO L482 AbstractCegarLoop]: Abstraction has 22280 states and 62350 transitions. [2021-05-21 21:50:46,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 22280 states and 62350 transitions. [2021-05-21 21:50:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-05-21 21:50:46,456 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:46,456 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:46,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 21:50:46,456 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:46,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:46,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1409373696, now seen corresponding path program 1 times [2021-05-21 21:50:46,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:46,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334522594] [2021-05-21 21:50:46,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:46,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:46,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334522594] [2021-05-21 21:50:46,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334522594] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:46,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:46,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 21:50:46,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817566899] [2021-05-21 21:50:46,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-21 21:50:46,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:46,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-21 21:50:46,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-21 21:50:46,509 INFO L87 Difference]: Start difference. First operand 22280 states and 62350 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:46,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:46,739 INFO L93 Difference]: Finished difference Result 22063 states and 61535 transitions. [2021-05-21 21:50:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-21 21:50:46,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2021-05-21 21:50:46,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:46,798 INFO L225 Difference]: With dead ends: 22063 [2021-05-21 21:50:46,798 INFO L226 Difference]: Without dead ends: 22063 [2021-05-21 21:50:46,798 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 114.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-21 21:50:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22063 states. [2021-05-21 21:50:47,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22063 to 22063. [2021-05-21 21:50:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22063 states, 22060 states have (on average 2.7894378966455124) internal successors, (61535), 22062 states have internal predecessors, (61535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22063 states to 22063 states and 61535 transitions. [2021-05-21 21:50:47,622 INFO L78 Accepts]: Start accepts. Automaton has 22063 states and 61535 transitions. Word has length 84 [2021-05-21 21:50:47,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:47,623 INFO L482 AbstractCegarLoop]: Abstraction has 22063 states and 61535 transitions. [2021-05-21 21:50:47,623 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:47,623 INFO L276 IsEmpty]: Start isEmpty. Operand 22063 states and 61535 transitions. [2021-05-21 21:50:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-05-21 21:50:47,643 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:47,643 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:47,643 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 21:50:47,643 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:47,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:47,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1743993907, now seen corresponding path program 1 times [2021-05-21 21:50:47,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:47,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526767170] [2021-05-21 21:50:47,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:47,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:47,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526767170] [2021-05-21 21:50:47,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526767170] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:47,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:47,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 21:50:47,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652461789] [2021-05-21 21:50:47,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 21:50:47,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:47,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 21:50:47,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 21:50:47,748 INFO L87 Difference]: Start difference. First operand 22063 states and 61535 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:47,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:47,816 INFO L93 Difference]: Finished difference Result 15355 states and 42187 transitions. [2021-05-21 21:50:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 21:50:47,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-05-21 21:50:47,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:47,852 INFO L225 Difference]: With dead ends: 15355 [2021-05-21 21:50:47,853 INFO L226 Difference]: Without dead ends: 15112 [2021-05-21 21:50:47,856 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 21:50:47,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15112 states. [2021-05-21 21:50:48,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15112 to 15112. [2021-05-21 21:50:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15112 states, 15110 states have (on average 2.7499007279947056) internal successors, (41551), 15111 states have internal predecessors, (41551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15112 states to 15112 states and 41551 transitions. [2021-05-21 21:50:48,300 INFO L78 Accepts]: Start accepts. Automaton has 15112 states and 41551 transitions. Word has length 93 [2021-05-21 21:50:48,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:48,301 INFO L482 AbstractCegarLoop]: Abstraction has 15112 states and 41551 transitions. [2021-05-21 21:50:48,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 15112 states and 41551 transitions. [2021-05-21 21:50:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-05-21 21:50:48,313 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:48,313 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:48,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 21:50:48,313 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:48,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:48,314 INFO L82 PathProgramCache]: Analyzing trace with hash -477175304, now seen corresponding path program 1 times [2021-05-21 21:50:48,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:48,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202526743] [2021-05-21 21:50:48,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:48,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:48,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202526743] [2021-05-21 21:50:48,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202526743] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:48,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:48,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 21:50:48,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389283919] [2021-05-21 21:50:48,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-21 21:50:48,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:48,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-21 21:50:48,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-21 21:50:48,375 INFO L87 Difference]: Start difference. First operand 15112 states and 41551 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:48,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:48,480 INFO L93 Difference]: Finished difference Result 26661 states and 73631 transitions. [2021-05-21 21:50:48,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-21 21:50:48,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2021-05-21 21:50:48,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:48,531 INFO L225 Difference]: With dead ends: 26661 [2021-05-21 21:50:48,531 INFO L226 Difference]: Without dead ends: 26571 [2021-05-21 21:50:48,532 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-21 21:50:48,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26571 states. [2021-05-21 21:50:48,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26571 to 15217. [2021-05-21 21:50:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15217 states, 15215 states have (on average 2.7484719027275717) internal successors, (41818), 15216 states have internal predecessors, (41818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:49,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15217 states to 15217 states and 41818 transitions. [2021-05-21 21:50:49,015 INFO L78 Accepts]: Start accepts. Automaton has 15217 states and 41818 transitions. Word has length 99 [2021-05-21 21:50:49,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:49,016 INFO L482 AbstractCegarLoop]: Abstraction has 15217 states and 41818 transitions. [2021-05-21 21:50:49,016 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 15217 states and 41818 transitions. [2021-05-21 21:50:49,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-05-21 21:50:49,027 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:49,027 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:49,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 21:50:49,027 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:49,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:49,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1731505684, now seen corresponding path program 1 times [2021-05-21 21:50:49,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:49,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231675383] [2021-05-21 21:50:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:49,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:49,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231675383] [2021-05-21 21:50:49,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231675383] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:49,356 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:49,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-05-21 21:50:49,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858796690] [2021-05-21 21:50:49,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-21 21:50:49,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:49,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-21 21:50:49,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-05-21 21:50:49,357 INFO L87 Difference]: Start difference. First operand 15217 states and 41818 transitions. Second operand has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:49,965 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2021-05-21 21:50:50,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:50,417 INFO L93 Difference]: Finished difference Result 15327 states and 42117 transitions. [2021-05-21 21:50:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-21 21:50:50,418 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-05-21 21:50:50,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:50,446 INFO L225 Difference]: With dead ends: 15327 [2021-05-21 21:50:50,446 INFO L226 Difference]: Without dead ends: 15327 [2021-05-21 21:50:50,446 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 828.7ms TimeCoverageRelationStatistics Valid=223, Invalid=533, Unknown=0, NotChecked=0, Total=756 [2021-05-21 21:50:50,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15327 states. [2021-05-21 21:50:50,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15327 to 15267. [2021-05-21 21:50:50,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15267 states, 15265 states have (on average 2.748444153291844) internal successors, (41955), 15266 states have internal predecessors, (41955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15267 states to 15267 states and 41955 transitions. [2021-05-21 21:50:50,790 INFO L78 Accepts]: Start accepts. Automaton has 15267 states and 41955 transitions. Word has length 100 [2021-05-21 21:50:50,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:50,790 INFO L482 AbstractCegarLoop]: Abstraction has 15267 states and 41955 transitions. [2021-05-21 21:50:50,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand 15267 states and 41955 transitions. [2021-05-21 21:50:50,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-05-21 21:50:50,798 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:50,798 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:50,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-21 21:50:50,798 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:50,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:50,799 INFO L82 PathProgramCache]: Analyzing trace with hash 588694202, now seen corresponding path program 1 times [2021-05-21 21:50:50,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:50,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263932729] [2021-05-21 21:50:50,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:51,246 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-05-21 21:50:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:51,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:51,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263932729] [2021-05-21 21:50:51,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263932729] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:51,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:51,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-05-21 21:50:51,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063248122] [2021-05-21 21:50:51,552 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-21 21:50:51,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:51,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-21 21:50:51,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2021-05-21 21:50:51,553 INFO L87 Difference]: Start difference. First operand 15267 states and 41955 transitions. Second operand has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:53,794 INFO L93 Difference]: Finished difference Result 15277 states and 41997 transitions. [2021-05-21 21:50:53,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-21 21:50:53,795 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2021-05-21 21:50:53,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:53,813 INFO L225 Difference]: With dead ends: 15277 [2021-05-21 21:50:53,813 INFO L226 Difference]: Without dead ends: 15262 [2021-05-21 21:50:53,813 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1915.6ms TimeCoverageRelationStatistics Valid=466, Invalid=1984, Unknown=0, NotChecked=0, Total=2450 [2021-05-21 21:50:53,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15262 states. [2021-05-21 21:50:54,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15262 to 15262. [2021-05-21 21:50:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15262 states, 15260 states have (on average 2.750524246395806) internal successors, (41973), 15261 states have internal predecessors, (41973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15262 states to 15262 states and 41973 transitions. [2021-05-21 21:50:54,066 INFO L78 Accepts]: Start accepts. Automaton has 15262 states and 41973 transitions. Word has length 104 [2021-05-21 21:50:54,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:54,066 INFO L482 AbstractCegarLoop]: Abstraction has 15262 states and 41973 transitions. [2021-05-21 21:50:54,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 15262 states and 41973 transitions. [2021-05-21 21:50:54,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-05-21 21:50:54,073 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:54,073 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:54,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-21 21:50:54,073 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:54,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:54,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1887066075, now seen corresponding path program 1 times [2021-05-21 21:50:54,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:54,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029400293] [2021-05-21 21:50:54,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:54,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:54,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029400293] [2021-05-21 21:50:54,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029400293] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:54,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:54,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-05-21 21:50:54,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245849547] [2021-05-21 21:50:54,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-21 21:50:54,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:54,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-21 21:50:54,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-05-21 21:50:54,440 INFO L87 Difference]: Start difference. First operand 15262 states and 41973 transitions. Second operand has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:55,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:55,370 INFO L93 Difference]: Finished difference Result 17982 states and 49376 transitions. [2021-05-21 21:50:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-21 21:50:55,370 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-05-21 21:50:55,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:55,391 INFO L225 Difference]: With dead ends: 17982 [2021-05-21 21:50:55,391 INFO L226 Difference]: Without dead ends: 17982 [2021-05-21 21:50:55,392 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 758.6ms TimeCoverageRelationStatistics Valid=313, Invalid=947, Unknown=0, NotChecked=0, Total=1260 [2021-05-21 21:50:55,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17982 states. [2021-05-21 21:50:55,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17982 to 16042. [2021-05-21 21:50:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16042 states, 16040 states have (on average 2.748067331670823) internal successors, (44079), 16041 states have internal predecessors, (44079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:55,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16042 states to 16042 states and 44079 transitions. [2021-05-21 21:50:55,682 INFO L78 Accepts]: Start accepts. Automaton has 16042 states and 44079 transitions. Word has length 105 [2021-05-21 21:50:55,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:55,682 INFO L482 AbstractCegarLoop]: Abstraction has 16042 states and 44079 transitions. [2021-05-21 21:50:55,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:55,682 INFO L276 IsEmpty]: Start isEmpty. Operand 16042 states and 44079 transitions. [2021-05-21 21:50:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-05-21 21:50:55,690 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:55,690 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:55,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 21:50:55,691 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:55,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:55,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1261951723, now seen corresponding path program 2 times [2021-05-21 21:50:55,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:55,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822810150] [2021-05-21 21:50:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:56,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:56,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822810150] [2021-05-21 21:50:56,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822810150] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:56,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:56,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-05-21 21:50:56,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009841793] [2021-05-21 21:50:56,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-21 21:50:56,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:56,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-21 21:50:56,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-05-21 21:50:56,397 INFO L87 Difference]: Start difference. First operand 16042 states and 44079 transitions. Second operand has 28 states, 28 states have (on average 3.75) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:58,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:50:58,741 INFO L93 Difference]: Finished difference Result 18485 states and 50800 transitions. [2021-05-21 21:50:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-21 21:50:58,742 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.75) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-05-21 21:50:58,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:50:58,763 INFO L225 Difference]: With dead ends: 18485 [2021-05-21 21:50:58,764 INFO L226 Difference]: Without dead ends: 18260 [2021-05-21 21:50:58,765 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 2162.5ms TimeCoverageRelationStatistics Valid=542, Invalid=2110, Unknown=0, NotChecked=0, Total=2652 [2021-05-21 21:50:58,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18260 states. [2021-05-21 21:50:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18260 to 16342. [2021-05-21 21:50:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16342 states, 16340 states have (on average 2.752264381884945) internal successors, (44972), 16341 states have internal predecessors, (44972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16342 states to 16342 states and 44972 transitions. [2021-05-21 21:50:59,070 INFO L78 Accepts]: Start accepts. Automaton has 16342 states and 44972 transitions. Word has length 105 [2021-05-21 21:50:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:50:59,070 INFO L482 AbstractCegarLoop]: Abstraction has 16342 states and 44972 transitions. [2021-05-21 21:50:59,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.75) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:50:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16342 states and 44972 transitions. [2021-05-21 21:50:59,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-05-21 21:50:59,076 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:50:59,076 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:50:59,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-21 21:50:59,077 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:50:59,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:50:59,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1732922443, now seen corresponding path program 1 times [2021-05-21 21:50:59,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:50:59,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080345603] [2021-05-21 21:50:59,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:50:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:50:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:50:59,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:50:59,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080345603] [2021-05-21 21:50:59,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080345603] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:50:59,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:50:59,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 21:50:59,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778708230] [2021-05-21 21:50:59,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 21:50:59,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:50:59,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 21:50:59,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2021-05-21 21:50:59,786 INFO L87 Difference]: Start difference. First operand 16342 states and 44972 transitions. Second operand has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:02,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:51:02,152 INFO L93 Difference]: Finished difference Result 18538 states and 51034 transitions. [2021-05-21 21:51:02,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-21 21:51:02,152 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2021-05-21 21:51:02,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:51:02,172 INFO L225 Difference]: With dead ends: 18538 [2021-05-21 21:51:02,172 INFO L226 Difference]: Without dead ends: 17908 [2021-05-21 21:51:02,173 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 1987.4ms TimeCoverageRelationStatistics Valid=545, Invalid=2317, Unknown=0, NotChecked=0, Total=2862 [2021-05-21 21:51:02,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17908 states. [2021-05-21 21:51:02,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17908 to 15487. [2021-05-21 21:51:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15487 states, 15485 states have (on average 2.754342912495964) internal successors, (42651), 15486 states have internal predecessors, (42651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15487 states to 15487 states and 42651 transitions. [2021-05-21 21:51:02,500 INFO L78 Accepts]: Start accepts. Automaton has 15487 states and 42651 transitions. Word has length 109 [2021-05-21 21:51:02,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:51:02,501 INFO L482 AbstractCegarLoop]: Abstraction has 15487 states and 42651 transitions. [2021-05-21 21:51:02,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 15487 states and 42651 transitions. [2021-05-21 21:51:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-05-21 21:51:02,507 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:51:02,508 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:51:02,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-21 21:51:02,508 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:51:02,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:51:02,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1462976531, now seen corresponding path program 2 times [2021-05-21 21:51:02,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:51:02,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344530728] [2021-05-21 21:51:02,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:51:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:51:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:51:03,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:51:03,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344530728] [2021-05-21 21:51:03,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344530728] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:51:03,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:51:03,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-05-21 21:51:03,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729985835] [2021-05-21 21:51:03,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-21 21:51:03,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:51:03,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-21 21:51:03,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2021-05-21 21:51:03,298 INFO L87 Difference]: Start difference. First operand 15487 states and 42651 transitions. Second operand has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:04,429 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2021-05-21 21:51:05,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:51:05,800 INFO L93 Difference]: Finished difference Result 15463 states and 42602 transitions. [2021-05-21 21:51:05,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-21 21:51:05,801 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2021-05-21 21:51:05,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:51:05,824 INFO L225 Difference]: With dead ends: 15463 [2021-05-21 21:51:05,824 INFO L226 Difference]: Without dead ends: 15373 [2021-05-21 21:51:05,825 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 2291.9ms TimeCoverageRelationStatistics Valid=566, Invalid=2296, Unknown=0, NotChecked=0, Total=2862 [2021-05-21 21:51:05,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15373 states. [2021-05-21 21:51:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15373 to 14527. [2021-05-21 21:51:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14527 states, 14526 states have (on average 2.7556794712928543) internal successors, (40029), 14526 states have internal predecessors, (40029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14527 states to 14527 states and 40029 transitions. [2021-05-21 21:51:06,068 INFO L78 Accepts]: Start accepts. Automaton has 14527 states and 40029 transitions. Word has length 109 [2021-05-21 21:51:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:51:06,068 INFO L482 AbstractCegarLoop]: Abstraction has 14527 states and 40029 transitions. [2021-05-21 21:51:06,068 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14527 states and 40029 transitions. [2021-05-21 21:51:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-05-21 21:51:06,080 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:51:06,080 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:51:06,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-05-21 21:51:06,081 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:51:06,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:51:06,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1328138375, now seen corresponding path program 1 times [2021-05-21 21:51:06,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:51:06,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783117604] [2021-05-21 21:51:06,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:51:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:51:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:51:06,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:51:06,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783117604] [2021-05-21 21:51:06,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783117604] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:51:06,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:51:06,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 21:51:06,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649411986] [2021-05-21 21:51:06,122 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 21:51:06,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:51:06,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 21:51:06,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 21:51:06,123 INFO L87 Difference]: Start difference. First operand 14527 states and 40029 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:06,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:51:06,160 INFO L93 Difference]: Finished difference Result 7076 states and 18145 transitions. [2021-05-21 21:51:06,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 21:51:06,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2021-05-21 21:51:06,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:51:06,170 INFO L225 Difference]: With dead ends: 7076 [2021-05-21 21:51:06,170 INFO L226 Difference]: Without dead ends: 7076 [2021-05-21 21:51:06,170 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 21:51:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7076 states. [2021-05-21 21:51:06,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7076 to 5822. [2021-05-21 21:51:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5822 states, 5820 states have (on average 2.566838487972509) internal successors, (14939), 5821 states have internal predecessors, (14939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5822 states to 5822 states and 14939 transitions. [2021-05-21 21:51:06,275 INFO L78 Accepts]: Start accepts. Automaton has 5822 states and 14939 transitions. Word has length 171 [2021-05-21 21:51:06,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:51:06,275 INFO L482 AbstractCegarLoop]: Abstraction has 5822 states and 14939 transitions. [2021-05-21 21:51:06,276 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:06,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5822 states and 14939 transitions. [2021-05-21 21:51:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-05-21 21:51:06,285 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:51:06,285 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:51:06,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-05-21 21:51:06,285 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:51:06,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:51:06,286 INFO L82 PathProgramCache]: Analyzing trace with hash 307883539, now seen corresponding path program 1 times [2021-05-21 21:51:06,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:51:06,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961521620] [2021-05-21 21:51:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:51:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:51:06,834 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-05-21 21:51:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:51:07,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:51:07,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961521620] [2021-05-21 21:51:07,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961521620] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:51:07,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:51:07,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-05-21 21:51:07,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392933536] [2021-05-21 21:51:07,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-21 21:51:07,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:51:07,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-21 21:51:07,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-05-21 21:51:07,549 INFO L87 Difference]: Start difference. First operand 5822 states and 14939 transitions. Second operand has 20 states, 20 states have (on average 8.6) internal successors, (172), 20 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:08,495 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2021-05-21 21:51:08,688 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-05-21 21:51:08,891 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2021-05-21 21:51:09,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:51:09,543 INFO L93 Difference]: Finished difference Result 5780 states and 14812 transitions. [2021-05-21 21:51:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-21 21:51:09,543 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 20 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2021-05-21 21:51:09,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:51:09,549 INFO L225 Difference]: With dead ends: 5780 [2021-05-21 21:51:09,549 INFO L226 Difference]: Without dead ends: 5780 [2021-05-21 21:51:09,549 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 15 SyntacticMatches, 9 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2086.8ms TimeCoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2021-05-21 21:51:09,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2021-05-21 21:51:09,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5486. [2021-05-21 21:51:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5486 states, 5484 states have (on average 2.5656455142231946) internal successors, (14070), 5485 states have internal predecessors, (14070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:09,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 14070 transitions. [2021-05-21 21:51:09,606 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 14070 transitions. Word has length 172 [2021-05-21 21:51:09,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:51:09,606 INFO L482 AbstractCegarLoop]: Abstraction has 5486 states and 14070 transitions. [2021-05-21 21:51:09,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 20 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 14070 transitions. [2021-05-21 21:51:09,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-05-21 21:51:09,614 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:51:09,614 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:51:09,615 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-21 21:51:09,615 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:51:09,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:51:09,615 INFO L82 PathProgramCache]: Analyzing trace with hash -399593919, now seen corresponding path program 1 times [2021-05-21 21:51:09,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:51:09,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341959435] [2021-05-21 21:51:09,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:51:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:51:10,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:51:10,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:51:10,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341959435] [2021-05-21 21:51:10,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341959435] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:51:10,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:51:10,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 21:51:10,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188499] [2021-05-21 21:51:10,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 21:51:10,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:51:10,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 21:51:10,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2021-05-21 21:51:10,311 INFO L87 Difference]: Start difference. First operand 5486 states and 14070 transitions. Second operand has 30 states, 30 states have (on average 5.866666666666666) internal successors, (176), 30 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:12,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:51:12,947 INFO L93 Difference]: Finished difference Result 7004 states and 17949 transitions. [2021-05-21 21:51:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-21 21:51:12,948 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 5.866666666666666) internal successors, (176), 30 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2021-05-21 21:51:12,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:51:12,955 INFO L225 Difference]: With dead ends: 7004 [2021-05-21 21:51:12,955 INFO L226 Difference]: Without dead ends: 7004 [2021-05-21 21:51:12,956 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 2368.0ms TimeCoverageRelationStatistics Valid=766, Invalid=2894, Unknown=0, NotChecked=0, Total=3660 [2021-05-21 21:51:12,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7004 states. [2021-05-21 21:51:13,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7004 to 6390. [2021-05-21 21:51:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6390 states, 6388 states have (on average 2.5671571696931745) internal successors, (16399), 6389 states have internal predecessors, (16399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6390 states to 6390 states and 16399 transitions. [2021-05-21 21:51:13,037 INFO L78 Accepts]: Start accepts. Automaton has 6390 states and 16399 transitions. Word has length 176 [2021-05-21 21:51:13,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:51:13,038 INFO L482 AbstractCegarLoop]: Abstraction has 6390 states and 16399 transitions. [2021-05-21 21:51:13,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 5.866666666666666) internal successors, (176), 30 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:13,038 INFO L276 IsEmpty]: Start isEmpty. Operand 6390 states and 16399 transitions. [2021-05-21 21:51:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-05-21 21:51:13,046 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:51:13,046 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:51:13,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-05-21 21:51:13,046 INFO L430 AbstractCegarLoop]: === Iteration 15 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:51:13,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:51:13,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1262122175, now seen corresponding path program 2 times [2021-05-21 21:51:13,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:51:13,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554097696] [2021-05-21 21:51:13,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:51:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:51:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:51:14,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:51:14,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554097696] [2021-05-21 21:51:14,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554097696] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:51:14,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:51:14,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-21 21:51:14,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426687178] [2021-05-21 21:51:14,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-21 21:51:14,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:51:14,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-21 21:51:14,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1108, Unknown=0, NotChecked=0, Total=1260 [2021-05-21 21:51:14,135 INFO L87 Difference]: Start difference. First operand 6390 states and 16399 transitions. Second operand has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:15,856 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2021-05-21 21:51:17,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:51:17,745 INFO L93 Difference]: Finished difference Result 10790 states and 27903 transitions. [2021-05-21 21:51:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-05-21 21:51:17,747 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2021-05-21 21:51:17,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:51:17,759 INFO L225 Difference]: With dead ends: 10790 [2021-05-21 21:51:17,759 INFO L226 Difference]: Without dead ends: 10790 [2021-05-21 21:51:17,761 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 6 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1310 ImplicationChecksByTransitivity, 3459.2ms TimeCoverageRelationStatistics Valid=1133, Invalid=4417, Unknown=0, NotChecked=0, Total=5550 [2021-05-21 21:51:17,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10790 states. [2021-05-21 21:51:17,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10790 to 9241. [2021-05-21 21:51:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9241 states, 9239 states have (on average 2.594436627340621) internal successors, (23970), 9240 states have internal predecessors, (23970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9241 states to 9241 states and 23970 transitions. [2021-05-21 21:51:17,888 INFO L78 Accepts]: Start accepts. Automaton has 9241 states and 23970 transitions. Word has length 176 [2021-05-21 21:51:17,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:51:17,889 INFO L482 AbstractCegarLoop]: Abstraction has 9241 states and 23970 transitions. [2021-05-21 21:51:17,889 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 9241 states and 23970 transitions. [2021-05-21 21:51:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-05-21 21:51:17,897 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:51:17,897 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:51:17,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-05-21 21:51:17,897 INFO L430 AbstractCegarLoop]: === Iteration 16 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:51:17,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:51:17,898 INFO L82 PathProgramCache]: Analyzing trace with hash -788395354, now seen corresponding path program 1 times [2021-05-21 21:51:17,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:51:17,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752386276] [2021-05-21 21:51:17,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:51:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:51:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:51:18,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:51:18,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752386276] [2021-05-21 21:51:18,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752386276] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:51:18,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:51:18,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-05-21 21:51:18,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209703593] [2021-05-21 21:51:18,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-21 21:51:18,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:51:18,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-21 21:51:18,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2021-05-21 21:51:18,581 INFO L87 Difference]: Start difference. First operand 9241 states and 23970 transitions. Second operand has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 28 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:20,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:51:20,464 INFO L93 Difference]: Finished difference Result 8320 states and 21398 transitions. [2021-05-21 21:51:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-21 21:51:20,464 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 28 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2021-05-21 21:51:20,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:51:20,473 INFO L225 Difference]: With dead ends: 8320 [2021-05-21 21:51:20,474 INFO L226 Difference]: Without dead ends: 8320 [2021-05-21 21:51:20,474 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 1808.2ms TimeCoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:51:20,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8320 states. [2021-05-21 21:51:20,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8320 to 8026. [2021-05-21 21:51:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8026 states, 8024 states have (on average 2.5742771684945165) internal successors, (20656), 8025 states have internal predecessors, (20656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8026 states to 8026 states and 20656 transitions. [2021-05-21 21:51:20,560 INFO L78 Accepts]: Start accepts. Automaton has 8026 states and 20656 transitions. Word has length 180 [2021-05-21 21:51:20,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:51:20,560 INFO L482 AbstractCegarLoop]: Abstraction has 8026 states and 20656 transitions. [2021-05-21 21:51:20,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 28 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 8026 states and 20656 transitions. [2021-05-21 21:51:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:51:20,567 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:51:20,567 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:51:20,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-05-21 21:51:20,567 INFO L430 AbstractCegarLoop]: === Iteration 17 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:51:20,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:51:20,568 INFO L82 PathProgramCache]: Analyzing trace with hash -858234869, now seen corresponding path program 1 times [2021-05-21 21:51:20,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:51:20,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370855760] [2021-05-21 21:51:20,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:51:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:51:21,258 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:51:21,449 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:51:21,628 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:51:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:51:25,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:51:25,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370855760] [2021-05-21 21:51:25,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370855760] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:51:25,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:51:25,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:51:25,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743406280] [2021-05-21 21:51:25,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:51:25,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:51:25,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:51:25,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2572, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:51:25,317 INFO L87 Difference]: Start difference. First operand 8026 states and 20656 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:27,241 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 44 [2021-05-21 21:51:27,704 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 52 [2021-05-21 21:51:28,153 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2021-05-21 21:51:28,503 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2021-05-21 21:51:28,819 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 21:51:29,325 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 21:51:29,850 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 21:51:30,841 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 59 [2021-05-21 21:51:32,493 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:51:32,768 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:51:34,963 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:51:37,461 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:51:39,247 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:51:40,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:51:40,801 INFO L93 Difference]: Finished difference Result 11919 states and 30719 transitions. [2021-05-21 21:51:40,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-05-21 21:51:40,802 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:51:40,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:51:40,815 INFO L225 Difference]: With dead ends: 11919 [2021-05-21 21:51:40,815 INFO L226 Difference]: Without dead ends: 11499 [2021-05-21 21:51:40,819 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4365 ImplicationChecksByTransitivity, 13457.1ms TimeCoverageRelationStatistics Valid=1542, Invalid=14714, Unknown=0, NotChecked=0, Total=16256 [2021-05-21 21:51:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11499 states. [2021-05-21 21:51:40,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11499 to 9438. [2021-05-21 21:51:40,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 9436 states have (on average 2.5559559135226793) internal successors, (24118), 9437 states have internal predecessors, (24118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 21:51:40,923 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 21:51:40,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:51:40,924 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 21:51:40,924 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:40,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 21:51:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:51:40,931 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:51:40,931 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:51:40,931 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-05-21 21:51:40,931 INFO L430 AbstractCegarLoop]: === Iteration 18 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:51:40,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:51:40,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1302633973, now seen corresponding path program 2 times [2021-05-21 21:51:40,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:51:40,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589984529] [2021-05-21 21:51:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:51:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:51:41,634 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:51:41,826 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:51:42,007 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:51:43,268 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2021-05-21 21:51:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:51:45,791 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:51:45,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589984529] [2021-05-21 21:51:45,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589984529] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:51:45,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:51:45,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:51:45,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479339571] [2021-05-21 21:51:45,792 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:51:45,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:51:45,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:51:45,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=2574, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:51:45,793 INFO L87 Difference]: Start difference. First operand 9438 states and 24118 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:51:47,626 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:51:48,484 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 52 [2021-05-21 21:51:49,071 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2021-05-21 21:51:49,576 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2021-05-21 21:51:50,146 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 21:51:50,961 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 21:51:51,825 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 21:51:53,402 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 69 [2021-05-21 21:51:55,085 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:51:55,331 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:51:57,301 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:51:59,607 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:52:01,669 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:52:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:52:03,408 INFO L93 Difference]: Finished difference Result 13443 states and 34525 transitions. [2021-05-21 21:52:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-21 21:52:03,408 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:52:03,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:52:03,420 INFO L225 Difference]: With dead ends: 13443 [2021-05-21 21:52:03,420 INFO L226 Difference]: Without dead ends: 13023 [2021-05-21 21:52:03,423 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4428 ImplicationChecksByTransitivity, 15467.6ms TimeCoverageRelationStatistics Valid=1568, Invalid=14944, Unknown=0, NotChecked=0, Total=16512 [2021-05-21 21:52:03,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13023 states. [2021-05-21 21:52:03,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13023 to 9438. [2021-05-21 21:52:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 9436 states have (on average 2.5559559135226793) internal successors, (24118), 9437 states have internal predecessors, (24118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:52:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 21:52:03,552 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 21:52:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:52:03,554 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 21:52:03,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:52:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 21:52:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:52:03,565 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:52:03,565 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:52:03,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-05-21 21:52:03,565 INFO L430 AbstractCegarLoop]: === Iteration 19 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:52:03,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:52:03,566 INFO L82 PathProgramCache]: Analyzing trace with hash 868546213, now seen corresponding path program 3 times [2021-05-21 21:52:03,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:52:03,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369871102] [2021-05-21 21:52:03,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:52:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:52:04,313 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:52:04,510 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:52:04,747 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:52:04,897 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 21:52:05,845 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:52:08,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:52:08,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:52:08,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369871102] [2021-05-21 21:52:08,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369871102] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:52:08,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:52:08,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:52:08,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647885837] [2021-05-21 21:52:08,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:52:08,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:52:08,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:52:08,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2577, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:52:08,444 INFO L87 Difference]: Start difference. First operand 9438 states and 24118 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:52:10,564 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:52:11,313 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:52:12,049 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 21:52:12,731 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2021-05-21 21:52:13,375 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2021-05-21 21:52:13,967 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 21:52:14,483 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 21:52:15,058 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 21:52:16,323 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 74 [2021-05-21 21:52:18,251 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:52:18,551 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:52:18,877 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:52:21,167 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:52:24,192 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:52:27,018 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:52:27,259 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-21 21:52:28,005 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:52:28,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:52:28,740 INFO L93 Difference]: Finished difference Result 13507 states and 34685 transitions. [2021-05-21 21:52:28,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-05-21 21:52:28,741 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:52:28,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:52:28,754 INFO L225 Difference]: With dead ends: 13507 [2021-05-21 21:52:28,754 INFO L226 Difference]: Without dead ends: 13087 [2021-05-21 21:52:28,755 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4590 ImplicationChecksByTransitivity, 16293.9ms TimeCoverageRelationStatistics Valid=1615, Invalid=15415, Unknown=0, NotChecked=0, Total=17030 [2021-05-21 21:52:28,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13087 states. [2021-05-21 21:52:28,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13087 to 9438. [2021-05-21 21:52:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 9436 states have (on average 2.5559559135226793) internal successors, (24118), 9437 states have internal predecessors, (24118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:52:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 21:52:28,882 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 21:52:28,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:52:28,882 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 21:52:28,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:52:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 21:52:28,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:52:28,890 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:52:28,891 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:52:28,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-05-21 21:52:28,891 INFO L430 AbstractCegarLoop]: === Iteration 20 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:52:28,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:52:28,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1647526667, now seen corresponding path program 4 times [2021-05-21 21:52:28,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:52:28,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853720900] [2021-05-21 21:52:28,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:52:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:52:29,583 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:52:29,779 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:52:29,956 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:52:31,046 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:52:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:52:34,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:52:34,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853720900] [2021-05-21 21:52:34,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853720900] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:52:34,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:52:34,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:52:34,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498166221] [2021-05-21 21:52:34,052 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:52:34,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:52:34,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:52:34,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2578, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:52:34,053 INFO L87 Difference]: Start difference. First operand 9438 states and 24118 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:52:36,517 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:52:37,195 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:52:38,151 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:52:38,783 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:52:39,655 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 21:52:40,586 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 21:52:40,936 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2021-05-21 21:52:41,300 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 21:52:41,862 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 21:52:42,480 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 21:52:43,832 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2021-05-21 21:52:45,817 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:52:46,098 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:52:46,417 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:52:48,790 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:52:51,933 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:52:54,797 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:52:55,960 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:52:56,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:52:56,683 INFO L93 Difference]: Finished difference Result 13491 states and 34649 transitions. [2021-05-21 21:52:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-21 21:52:56,684 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:52:56,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:52:56,697 INFO L225 Difference]: With dead ends: 13491 [2021-05-21 21:52:56,697 INFO L226 Difference]: Without dead ends: 13071 [2021-05-21 21:52:56,698 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4660 ImplicationChecksByTransitivity, 18085.1ms TimeCoverageRelationStatistics Valid=1646, Invalid=15646, Unknown=0, NotChecked=0, Total=17292 [2021-05-21 21:52:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13071 states. [2021-05-21 21:52:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13071 to 9438. [2021-05-21 21:52:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 9436 states have (on average 2.5559559135226793) internal successors, (24118), 9437 states have internal predecessors, (24118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:52:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 21:52:56,826 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 21:52:56,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:52:56,827 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 21:52:56,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:52:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 21:52:56,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:52:56,835 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:52:56,835 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:52:56,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-05-21 21:52:56,836 INFO L430 AbstractCegarLoop]: === Iteration 21 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:52:56,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:52:56,836 INFO L82 PathProgramCache]: Analyzing trace with hash -276826587, now seen corresponding path program 5 times [2021-05-21 21:52:56,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:52:56,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490579610] [2021-05-21 21:52:56,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:52:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:52:57,509 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:52:57,669 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:52:57,853 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:52:58,977 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:53:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:53:01,870 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:53:01,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490579610] [2021-05-21 21:53:01,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490579610] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:53:01,870 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:53:01,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:53:01,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094867932] [2021-05-21 21:53:01,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:53:01,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:53:01,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:53:01,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=2580, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:53:01,871 INFO L87 Difference]: Start difference. First operand 9438 states and 24118 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:53:03,865 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:53:04,503 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:53:05,501 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:53:06,132 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:53:06,798 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:53:07,711 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2021-05-21 21:53:08,637 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2021-05-21 21:53:09,448 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 21:53:10,727 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 21:53:11,663 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 21:53:12,552 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 21:53:13,089 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 21:53:13,547 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 83 [2021-05-21 21:53:14,138 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 21:53:14,825 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 81 [2021-05-21 21:53:17,177 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:53:17,438 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:53:17,696 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:53:19,444 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:53:21,831 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:53:24,119 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:53:25,162 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:53:26,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:53:26,100 INFO L93 Difference]: Finished difference Result 13595 states and 34905 transitions. [2021-05-21 21:53:26,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-05-21 21:53:26,100 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:53:26,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:53:26,116 INFO L225 Difference]: With dead ends: 13595 [2021-05-21 21:53:26,117 INFO L226 Difference]: Without dead ends: 13175 [2021-05-21 21:53:26,119 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5084 ImplicationChecksByTransitivity, 21822.6ms TimeCoverageRelationStatistics Valid=1772, Invalid=16860, Unknown=0, NotChecked=0, Total=18632 [2021-05-21 21:53:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13175 states. [2021-05-21 21:53:26,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13175 to 9438. [2021-05-21 21:53:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 9436 states have (on average 2.5559559135226793) internal successors, (24118), 9437 states have internal predecessors, (24118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:53:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 21:53:26,250 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 21:53:26,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:53:26,250 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 21:53:26,251 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:53:26,251 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 21:53:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:53:26,260 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:53:26,260 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:53:26,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-05-21 21:53:26,260 INFO L430 AbstractCegarLoop]: === Iteration 22 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:53:26,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:53:26,261 INFO L82 PathProgramCache]: Analyzing trace with hash -410727541, now seen corresponding path program 6 times [2021-05-21 21:53:26,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:53:26,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699622140] [2021-05-21 21:53:26,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:53:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:53:27,094 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:53:27,290 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:53:27,493 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:53:28,499 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:53:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:53:31,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:53:31,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699622140] [2021-05-21 21:53:31,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699622140] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:53:31,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:53:31,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:53:31,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425485270] [2021-05-21 21:53:31,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:53:31,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:53:31,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:53:31,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2583, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:53:31,157 INFO L87 Difference]: Start difference. First operand 9438 states and 24118 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:53:33,068 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:53:33,658 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:53:34,594 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:53:35,186 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:53:35,821 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:53:36,702 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:53:37,641 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:53:38,459 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 21:53:39,832 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 21:53:40,789 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 21:53:41,776 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2021-05-21 21:53:42,910 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 21:53:44,139 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 21:53:47,214 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:53:47,469 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:53:47,724 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:53:49,448 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:53:51,755 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:53:53,956 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:53:55,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:53:55,912 INFO L93 Difference]: Finished difference Result 13507 states and 34707 transitions. [2021-05-21 21:53:55,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-21 21:53:55,912 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:53:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:53:55,929 INFO L225 Difference]: With dead ends: 13507 [2021-05-21 21:53:55,929 INFO L226 Difference]: Without dead ends: 13087 [2021-05-21 21:53:55,931 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4806 ImplicationChecksByTransitivity, 20895.0ms TimeCoverageRelationStatistics Valid=1690, Invalid=16132, Unknown=0, NotChecked=0, Total=17822 [2021-05-21 21:53:55,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13087 states. [2021-05-21 21:53:56,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13087 to 9516. [2021-05-21 21:53:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9516 states, 9514 states have (on average 2.5570737859995796) internal successors, (24328), 9515 states have internal predecessors, (24328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:53:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9516 states to 9516 states and 24328 transitions. [2021-05-21 21:53:56,072 INFO L78 Accepts]: Start accepts. Automaton has 9516 states and 24328 transitions. Word has length 184 [2021-05-21 21:53:56,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:53:56,072 INFO L482 AbstractCegarLoop]: Abstraction has 9516 states and 24328 transitions. [2021-05-21 21:53:56,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:53:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 9516 states and 24328 transitions. [2021-05-21 21:53:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:53:56,081 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:53:56,081 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:53:56,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-05-21 21:53:56,081 INFO L430 AbstractCegarLoop]: === Iteration 23 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:53:56,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:53:56,082 INFO L82 PathProgramCache]: Analyzing trace with hash 2715019, now seen corresponding path program 7 times [2021-05-21 21:53:56,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:53:56,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205013070] [2021-05-21 21:53:56,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:53:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:53:56,811 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:53:56,984 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:53:57,186 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:53:58,635 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:54:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:54:02,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:54:02,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205013070] [2021-05-21 21:54:02,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205013070] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:54:02,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:54:02,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:54:02,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777273890] [2021-05-21 21:54:02,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:54:02,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:54:02,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:54:02,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2585, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:54:02,434 INFO L87 Difference]: Start difference. First operand 9516 states and 24328 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:54:04,266 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:54:05,002 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:54:05,494 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:54:06,021 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:54:06,749 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:54:07,512 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:54:08,209 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 21:54:09,535 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 21:54:10,377 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 21:54:11,245 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2021-05-21 21:54:12,374 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 86 [2021-05-21 21:54:13,549 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 84 [2021-05-21 21:54:17,244 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:54:17,572 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:54:17,940 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:54:20,605 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:54:23,988 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:54:26,656 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:54:27,512 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:54:28,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:54:28,255 INFO L93 Difference]: Finished difference Result 13448 states and 34580 transitions. [2021-05-21 21:54:28,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-05-21 21:54:28,255 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:54:28,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:54:28,270 INFO L225 Difference]: With dead ends: 13448 [2021-05-21 21:54:28,270 INFO L226 Difference]: Without dead ends: 13028 [2021-05-21 21:54:28,271 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5038 ImplicationChecksByTransitivity, 21503.9ms TimeCoverageRelationStatistics Valid=1719, Invalid=16913, Unknown=0, NotChecked=0, Total=18632 [2021-05-21 21:54:28,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13028 states. [2021-05-21 21:54:28,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13028 to 9529. [2021-05-21 21:54:28,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9529 states, 9527 states have (on average 2.557258318463315) internal successors, (24363), 9528 states have internal predecessors, (24363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:54:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9529 states to 9529 states and 24363 transitions. [2021-05-21 21:54:28,395 INFO L78 Accepts]: Start accepts. Automaton has 9529 states and 24363 transitions. Word has length 184 [2021-05-21 21:54:28,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:54:28,395 INFO L482 AbstractCegarLoop]: Abstraction has 9529 states and 24363 transitions. [2021-05-21 21:54:28,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:54:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 9529 states and 24363 transitions. [2021-05-21 21:54:28,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:54:28,403 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:54:28,403 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:54:28,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-05-21 21:54:28,403 INFO L430 AbstractCegarLoop]: === Iteration 24 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:54:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:54:28,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1807828059, now seen corresponding path program 8 times [2021-05-21 21:54:28,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:54:28,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083631115] [2021-05-21 21:54:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:54:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:54:29,092 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:54:29,305 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:54:29,556 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:54:29,727 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 21:54:30,721 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:54:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:54:33,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:54:33,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083631115] [2021-05-21 21:54:33,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083631115] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:54:33,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:54:33,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:54:33,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775921469] [2021-05-21 21:54:33,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:54:33,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:54:33,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:54:33,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2585, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:54:33,673 INFO L87 Difference]: Start difference. First operand 9529 states and 24363 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:54:35,994 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:54:36,661 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:54:37,695 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:54:38,337 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:54:39,013 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:54:39,934 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:54:40,904 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:54:41,719 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 21:54:43,192 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 21:54:44,200 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 21:54:45,296 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2021-05-21 21:54:46,589 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 86 [2021-05-21 21:54:47,976 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 84 [2021-05-21 21:54:53,298 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:54:53,546 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:54:53,800 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:54:55,650 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:54:58,231 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:55:00,654 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:55:01,870 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:55:03,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:55:03,073 INFO L93 Difference]: Finished difference Result 13461 states and 34615 transitions. [2021-05-21 21:55:03,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-05-21 21:55:03,074 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:55:03,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:55:03,087 INFO L225 Difference]: With dead ends: 13461 [2021-05-21 21:55:03,088 INFO L226 Difference]: Without dead ends: 13041 [2021-05-21 21:55:03,089 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5325 ImplicationChecksByTransitivity, 23392.7ms TimeCoverageRelationStatistics Valid=1756, Invalid=17704, Unknown=0, NotChecked=0, Total=19460 [2021-05-21 21:55:03,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13041 states. [2021-05-21 21:55:03,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13041 to 9542. [2021-05-21 21:55:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9542 states, 9540 states have (on average 2.5574423480083857) internal successors, (24398), 9541 states have internal predecessors, (24398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:55:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9542 states to 9542 states and 24398 transitions. [2021-05-21 21:55:03,209 INFO L78 Accepts]: Start accepts. Automaton has 9542 states and 24398 transitions. Word has length 184 [2021-05-21 21:55:03,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:55:03,209 INFO L482 AbstractCegarLoop]: Abstraction has 9542 states and 24398 transitions. [2021-05-21 21:55:03,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:55:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 9542 states and 24398 transitions. [2021-05-21 21:55:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:55:03,234 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:55:03,248 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:55:03,249 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-05-21 21:55:03,249 INFO L430 AbstractCegarLoop]: === Iteration 25 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:55:03,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:55:03,249 INFO L82 PathProgramCache]: Analyzing trace with hash -92526133, now seen corresponding path program 9 times [2021-05-21 21:55:03,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:55:03,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383268719] [2021-05-21 21:55:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:55:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:55:04,126 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-05-21 21:55:04,381 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:55:04,688 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:55:04,944 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:55:05,562 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 21:55:06,619 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:55:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:55:10,651 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:55:10,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383268719] [2021-05-21 21:55:10,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383268719] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:55:10,651 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:55:10,651 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:55:10,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536587079] [2021-05-21 21:55:10,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:55:10,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:55:10,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:55:10,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2572, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:55:10,652 INFO L87 Difference]: Start difference. First operand 9542 states and 24398 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:55:13,618 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:55:14,416 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:55:15,671 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:55:16,464 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:55:17,359 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:55:17,877 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:55:18,424 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:55:18,843 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 21:55:19,695 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 21:55:20,280 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 21:55:20,859 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2021-05-21 21:55:21,715 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 86 [2021-05-21 21:55:22,631 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 84 [2021-05-21 21:55:26,098 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:55:26,406 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:55:26,726 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:55:28,788 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:55:31,214 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:55:33,594 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:55:34,730 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:55:35,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:55:35,736 INFO L93 Difference]: Finished difference Result 14681 states and 37799 transitions. [2021-05-21 21:55:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-05-21 21:55:35,737 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:55:35,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:55:35,755 INFO L225 Difference]: With dead ends: 14681 [2021-05-21 21:55:35,756 INFO L226 Difference]: Without dead ends: 14261 [2021-05-21 21:55:35,757 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5231 ImplicationChecksByTransitivity, 23321.5ms TimeCoverageRelationStatistics Valid=1830, Invalid=17352, Unknown=0, NotChecked=0, Total=19182 [2021-05-21 21:55:35,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14261 states. [2021-05-21 21:55:35,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14261 to 9646. [2021-05-21 21:55:35,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9646 states, 9644 states have (on average 2.5588967233513067) internal successors, (24678), 9645 states have internal predecessors, (24678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:55:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9646 states to 9646 states and 24678 transitions. [2021-05-21 21:55:35,904 INFO L78 Accepts]: Start accepts. Automaton has 9646 states and 24678 transitions. Word has length 184 [2021-05-21 21:55:35,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:55:35,904 INFO L482 AbstractCegarLoop]: Abstraction has 9646 states and 24678 transitions. [2021-05-21 21:55:35,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:55:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 9646 states and 24678 transitions. [2021-05-21 21:55:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:55:35,913 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:55:35,914 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:55:35,914 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-05-21 21:55:35,914 INFO L430 AbstractCegarLoop]: === Iteration 26 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:55:35,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:55:35,914 INFO L82 PathProgramCache]: Analyzing trace with hash 787291659, now seen corresponding path program 10 times [2021-05-21 21:55:35,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:55:35,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749166665] [2021-05-21 21:55:35,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:55:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:55:36,505 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-05-21 21:55:36,798 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:55:37,079 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:55:37,401 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:55:37,651 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 21:55:38,663 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:55:39,294 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:55:42,014 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-05-21 21:55:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:55:43,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:55:43,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749166665] [2021-05-21 21:55:43,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749166665] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:55:43,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:55:43,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:55:43,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427428928] [2021-05-21 21:55:43,047 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:55:43,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:55:43,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:55:43,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2555, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:55:43,048 INFO L87 Difference]: Start difference. First operand 9646 states and 24678 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:55:45,098 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:55:45,874 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:55:46,377 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:55:46,946 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:55:47,669 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:55:48,424 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:55:49,099 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 52 [2021-05-21 21:55:50,342 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 56 [2021-05-21 21:55:51,189 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2021-05-21 21:55:52,045 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 61 [2021-05-21 21:55:53,093 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 86 [2021-05-21 21:55:54,150 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 84 [2021-05-21 21:55:58,467 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:55:58,800 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:55:59,139 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:56:02,093 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:56:06,531 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:56:10,094 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:56:11,517 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:56:13,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:56:13,789 INFO L93 Difference]: Finished difference Result 14609 states and 37563 transitions. [2021-05-21 21:56:13,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-05-21 21:56:13,790 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:56:13,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:56:13,806 INFO L225 Difference]: With dead ends: 14609 [2021-05-21 21:56:13,806 INFO L226 Difference]: Without dead ends: 14189 [2021-05-21 21:56:13,807 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5306 ImplicationChecksByTransitivity, 23171.8ms TimeCoverageRelationStatistics Valid=1940, Invalid=17242, Unknown=0, NotChecked=0, Total=19182 [2021-05-21 21:56:13,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14189 states. [2021-05-21 21:56:14,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14189 to 9659. [2021-05-21 21:56:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9659 states, 9657 states have (on average 2.5590763176970075) internal successors, (24713), 9658 states have internal predecessors, (24713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:56:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9659 states to 9659 states and 24713 transitions. [2021-05-21 21:56:14,038 INFO L78 Accepts]: Start accepts. Automaton has 9659 states and 24713 transitions. Word has length 184 [2021-05-21 21:56:14,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:56:14,039 INFO L482 AbstractCegarLoop]: Abstraction has 9659 states and 24713 transitions. [2021-05-21 21:56:14,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:56:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 9659 states and 24713 transitions. [2021-05-21 21:56:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:56:14,046 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:56:14,046 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:56:14,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-05-21 21:56:14,046 INFO L430 AbstractCegarLoop]: === Iteration 27 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:56:14,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:56:14,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1611136987, now seen corresponding path program 11 times [2021-05-21 21:56:14,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:56:14,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214764241] [2021-05-21 21:56:14,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:56:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:56:14,686 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:56:14,886 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:56:15,082 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:56:16,064 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:56:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:56:18,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:56:18,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214764241] [2021-05-21 21:56:18,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214764241] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:56:18,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:56:18,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:56:18,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136983546] [2021-05-21 21:56:18,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:56:18,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:56:18,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:56:18,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2559, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:56:18,647 INFO L87 Difference]: Start difference. First operand 9659 states and 24713 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:56:20,469 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:56:21,023 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:56:21,525 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:56:22,035 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:56:22,599 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:56:23,397 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:56:24,220 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:56:27,884 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:56:28,217 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:56:28,520 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:56:31,069 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:56:34,731 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:56:37,864 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:56:39,155 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:56:40,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:56:40,915 INFO L93 Difference]: Finished difference Result 14313 states and 36777 transitions. [2021-05-21 21:56:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-21 21:56:40,916 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:56:40,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:56:40,931 INFO L225 Difference]: With dead ends: 14313 [2021-05-21 21:56:40,932 INFO L226 Difference]: Without dead ends: 13893 [2021-05-21 21:56:40,933 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4462 ImplicationChecksByTransitivity, 16459.4ms TimeCoverageRelationStatistics Valid=1597, Invalid=14915, Unknown=0, NotChecked=0, Total=16512 [2021-05-21 21:56:40,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13893 states. [2021-05-21 21:56:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13893 to 9698. [2021-05-21 21:56:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9698 states, 9696 states have (on average 2.559612211221122) internal successors, (24818), 9697 states have internal predecessors, (24818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:56:41,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 24818 transitions. [2021-05-21 21:56:41,067 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 24818 transitions. Word has length 184 [2021-05-21 21:56:41,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:56:41,067 INFO L482 AbstractCegarLoop]: Abstraction has 9698 states and 24818 transitions. [2021-05-21 21:56:41,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:56:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 24818 transitions. [2021-05-21 21:56:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:56:41,075 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:56:41,075 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:56:41,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-05-21 21:56:41,075 INFO L430 AbstractCegarLoop]: === Iteration 28 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:56:41,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:56:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash 481639115, now seen corresponding path program 12 times [2021-05-21 21:56:41,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:56:41,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094058731] [2021-05-21 21:56:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:56:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:56:41,705 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-05-21 21:56:41,990 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:56:42,376 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:56:42,554 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:56:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:56:46,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:56:46,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094058731] [2021-05-21 21:56:46,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094058731] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:56:46,091 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:56:46,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:56:46,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442002953] [2021-05-21 21:56:46,092 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:56:46,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:56:46,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:56:46,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2559, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:56:46,093 INFO L87 Difference]: Start difference. First operand 9698 states and 24818 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:56:47,852 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:56:48,418 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:56:48,930 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:56:49,429 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:56:49,985 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:56:50,770 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:56:51,566 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:56:55,118 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:56:55,436 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:56:55,730 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:56:57,991 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:57:00,781 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:57:03,214 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:57:04,273 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:57:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:57:05,381 INFO L93 Difference]: Finished difference Result 14281 states and 36705 transitions. [2021-05-21 21:57:05,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-21 21:57:05,382 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:57:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:57:05,399 INFO L225 Difference]: With dead ends: 14281 [2021-05-21 21:57:05,399 INFO L226 Difference]: Without dead ends: 13861 [2021-05-21 21:57:05,401 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4460 ImplicationChecksByTransitivity, 16605.4ms TimeCoverageRelationStatistics Valid=1597, Invalid=14915, Unknown=0, NotChecked=0, Total=16512 [2021-05-21 21:57:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13861 states. [2021-05-21 21:57:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13861 to 9711. [2021-05-21 21:57:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9711 states, 9709 states have (on average 2.5597898856730867) internal successors, (24853), 9710 states have internal predecessors, (24853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:57:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9711 states to 9711 states and 24853 transitions. [2021-05-21 21:57:05,540 INFO L78 Accepts]: Start accepts. Automaton has 9711 states and 24853 transitions. Word has length 184 [2021-05-21 21:57:05,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:57:05,541 INFO L482 AbstractCegarLoop]: Abstraction has 9711 states and 24853 transitions. [2021-05-21 21:57:05,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:57:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 9711 states and 24853 transitions. [2021-05-21 21:57:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:57:05,552 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:57:05,552 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:57:05,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-21 21:57:05,552 INFO L430 AbstractCegarLoop]: === Iteration 29 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:57:05,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:57:05,553 INFO L82 PathProgramCache]: Analyzing trace with hash 317652773, now seen corresponding path program 13 times [2021-05-21 21:57:05,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:57:05,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773459237] [2021-05-21 21:57:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:57:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:57:06,158 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-05-21 21:57:06,461 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:57:06,755 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:57:07,083 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:57:07,382 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 21:57:07,689 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-05-21 21:57:07,956 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 21:57:08,612 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:57:09,331 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:57:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:57:13,664 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:57:13,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773459237] [2021-05-21 21:57:13,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773459237] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:57:13,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:57:13,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:57:13,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078338475] [2021-05-21 21:57:13,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:57:13,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:57:13,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:57:13,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2559, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:57:13,666 INFO L87 Difference]: Start difference. First operand 9711 states and 24853 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:57:15,458 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:57:15,866 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:57:16,296 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:57:16,787 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:57:17,476 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:57:18,176 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:57:20,752 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 21:57:21,512 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 21:57:21,803 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 21:57:22,028 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:57:24,048 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:57:26,865 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:57:29,329 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:57:30,374 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:57:31,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:57:31,619 INFO L93 Difference]: Finished difference Result 13841 states and 35575 transitions. [2021-05-21 21:57:31,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-05-21 21:57:31,619 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:57:31,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:57:31,634 INFO L225 Difference]: With dead ends: 13841 [2021-05-21 21:57:31,634 INFO L226 Difference]: Without dead ends: 13421 [2021-05-21 21:57:31,636 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4379 ImplicationChecksByTransitivity, 18244.9ms TimeCoverageRelationStatistics Valid=1567, Invalid=14689, Unknown=0, NotChecked=0, Total=16256 [2021-05-21 21:57:31,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13421 states. [2021-05-21 21:57:31,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13421 to 9724. [2021-05-21 21:57:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9724 states, 9722 states have (on average 2.559967084961942) internal successors, (24888), 9723 states have internal predecessors, (24888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:57:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9724 states to 9724 states and 24888 transitions. [2021-05-21 21:57:31,766 INFO L78 Accepts]: Start accepts. Automaton has 9724 states and 24888 transitions. Word has length 184 [2021-05-21 21:57:31,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:57:31,766 INFO L482 AbstractCegarLoop]: Abstraction has 9724 states and 24888 transitions. [2021-05-21 21:57:31,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:57:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 9724 states and 24888 transitions. [2021-05-21 21:57:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:57:31,774 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:57:31,774 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:57:31,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-05-21 21:57:31,774 INFO L430 AbstractCegarLoop]: === Iteration 30 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:57:31,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:57:31,775 INFO L82 PathProgramCache]: Analyzing trace with hash 421691335, now seen corresponding path program 14 times [2021-05-21 21:57:31,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:57:31,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214593392] [2021-05-21 21:57:31,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:57:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:57:32,521 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:57:32,770 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:57:33,054 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:57:35,015 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:57:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:57:39,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:57:39,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214593392] [2021-05-21 21:57:39,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214593392] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:57:39,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:57:39,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:57:39,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906553922] [2021-05-21 21:57:39,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:57:39,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:57:39,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:57:39,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2554, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:57:39,637 INFO L87 Difference]: Start difference. First operand 9724 states and 24888 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:57:43,473 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:57:44,504 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:57:45,389 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:57:46,284 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:57:47,236 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:57:48,487 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:57:49,754 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:57:52,324 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 21:57:52,618 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 21:57:53,862 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:57:55,761 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:57:58,267 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:58:00,615 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:58:01,613 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:58:02,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:58:02,801 INFO L93 Difference]: Finished difference Result 13801 states and 35485 transitions. [2021-05-21 21:58:02,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-21 21:58:02,802 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:58:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:58:02,819 INFO L225 Difference]: With dead ends: 13801 [2021-05-21 21:58:02,819 INFO L226 Difference]: Without dead ends: 13381 [2021-05-21 21:58:02,821 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4441 ImplicationChecksByTransitivity, 22315.4ms TimeCoverageRelationStatistics Valid=1598, Invalid=14914, Unknown=0, NotChecked=0, Total=16512 [2021-05-21 21:58:02,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13381 states. [2021-05-21 21:58:02,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13381 to 9854. [2021-05-21 21:58:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9854 states, 9852 states have (on average 2.5617133576938693) internal successors, (25238), 9853 states have internal predecessors, (25238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:58:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9854 states to 9854 states and 25238 transitions. [2021-05-21 21:58:02,960 INFO L78 Accepts]: Start accepts. Automaton has 9854 states and 25238 transitions. Word has length 184 [2021-05-21 21:58:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:58:02,961 INFO L482 AbstractCegarLoop]: Abstraction has 9854 states and 25238 transitions. [2021-05-21 21:58:02,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:58:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 9854 states and 25238 transitions. [2021-05-21 21:58:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:58:02,969 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:58:02,969 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:58:02,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-05-21 21:58:02,969 INFO L430 AbstractCegarLoop]: === Iteration 31 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:58:02,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:58:02,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1697699831, now seen corresponding path program 15 times [2021-05-21 21:58:02,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:58:02,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894241435] [2021-05-21 21:58:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:58:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:58:03,507 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-05-21 21:58:03,715 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:58:03,902 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:58:04,120 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:58:05,785 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:58:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:58:09,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:58:09,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894241435] [2021-05-21 21:58:09,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894241435] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:58:09,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:58:09,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:58:09,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111053613] [2021-05-21 21:58:09,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:58:09,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:58:09,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:58:09,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2555, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:58:09,745 INFO L87 Difference]: Start difference. First operand 9854 states and 25238 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:58:12,390 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:58:13,140 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:58:13,787 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:58:14,443 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:58:15,165 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:58:16,186 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:58:17,218 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:58:20,709 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 21:58:21,073 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 21:58:22,814 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:58:26,117 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:58:27,990 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:58:29,879 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:58:31,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:58:31,322 INFO L93 Difference]: Finished difference Result 15755 states and 40499 transitions. [2021-05-21 21:58:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-05-21 21:58:31,322 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:58:31,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:58:31,339 INFO L225 Difference]: With dead ends: 15755 [2021-05-21 21:58:31,339 INFO L226 Difference]: Without dead ends: 15335 [2021-05-21 21:58:31,340 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4616 ImplicationChecksByTransitivity, 20008.2ms TimeCoverageRelationStatistics Valid=1631, Invalid=15399, Unknown=0, NotChecked=0, Total=17030 [2021-05-21 21:58:31,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15335 states. [2021-05-21 21:58:31,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15335 to 9958. [2021-05-21 21:58:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9958 states, 9956 states have (on average 2.564383286460426) internal successors, (25531), 9957 states have internal predecessors, (25531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:58:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 25531 transitions. [2021-05-21 21:58:31,484 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 25531 transitions. Word has length 184 [2021-05-21 21:58:31,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:58:31,484 INFO L482 AbstractCegarLoop]: Abstraction has 9958 states and 25531 transitions. [2021-05-21 21:58:31,484 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:58:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 25531 transitions. [2021-05-21 21:58:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:58:31,492 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:58:31,493 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:58:31,493 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-05-21 21:58:31,493 INFO L430 AbstractCegarLoop]: === Iteration 32 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:58:31,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:58:31,493 INFO L82 PathProgramCache]: Analyzing trace with hash -2078488249, now seen corresponding path program 16 times [2021-05-21 21:58:31,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:58:31,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532826911] [2021-05-21 21:58:31,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:58:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:58:32,114 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:58:32,272 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:58:32,456 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:58:33,631 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:58:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:58:36,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:58:36,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532826911] [2021-05-21 21:58:36,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532826911] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:58:36,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:58:36,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:58:36,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357573942] [2021-05-21 21:58:36,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:58:36,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:58:36,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:58:36,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=2558, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:58:36,656 INFO L87 Difference]: Start difference. First operand 9958 states and 25531 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:58:38,743 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:58:39,339 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:58:39,885 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:58:40,427 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:58:41,024 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:58:41,890 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:58:42,751 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:58:45,724 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 21:58:46,065 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 21:58:47,591 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:58:51,122 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:58:54,602 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:58:57,747 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:58:58,787 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:58:59,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:58:59,385 INFO L93 Difference]: Finished difference Result 15667 states and 40285 transitions. [2021-05-21 21:58:59,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-21 21:58:59,386 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:58:59,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:58:59,400 INFO L225 Difference]: With dead ends: 15667 [2021-05-21 21:58:59,400 INFO L226 Difference]: Without dead ends: 15247 [2021-05-21 21:58:59,401 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4697 ImplicationChecksByTransitivity, 18108.0ms TimeCoverageRelationStatistics Valid=1643, Invalid=15649, Unknown=0, NotChecked=0, Total=17292 [2021-05-21 21:58:59,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15247 states. [2021-05-21 21:58:59,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15247 to 9997. [2021-05-21 21:58:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9997 states, 9995 states have (on average 2.56488244122061) internal successors, (25636), 9996 states have internal predecessors, (25636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:58:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9997 states to 9997 states and 25636 transitions. [2021-05-21 21:58:59,537 INFO L78 Accepts]: Start accepts. Automaton has 9997 states and 25636 transitions. Word has length 184 [2021-05-21 21:58:59,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:58:59,537 INFO L482 AbstractCegarLoop]: Abstraction has 9997 states and 25636 transitions. [2021-05-21 21:58:59,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:58:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 9997 states and 25636 transitions. [2021-05-21 21:58:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:58:59,549 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:58:59,549 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:58:59,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-05-21 21:58:59,549 INFO L430 AbstractCegarLoop]: === Iteration 33 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:58:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:58:59,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1942160421, now seen corresponding path program 17 times [2021-05-21 21:58:59,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:58:59,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115160159] [2021-05-21 21:58:59,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:58:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:59:00,097 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:59:00,254 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:59:00,437 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:59:01,469 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 21:59:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:59:04,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:59:04,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115160159] [2021-05-21 21:59:04,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115160159] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:59:04,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:59:04,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:59:04,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763375206] [2021-05-21 21:59:04,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:59:04,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:59:04,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:59:04,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2560, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:59:04,206 INFO L87 Difference]: Start difference. First operand 9997 states and 25636 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:59:06,130 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 21:59:06,730 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:59:07,254 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:59:07,791 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:59:08,384 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:59:09,229 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 21:59:10,056 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 21:59:12,913 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 21:59:13,232 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 21:59:14,664 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 21:59:18,323 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 21:59:21,594 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 21:59:24,571 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 21:59:25,922 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 21:59:27,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:59:27,283 INFO L93 Difference]: Finished difference Result 15627 states and 40195 transitions. [2021-05-21 21:59:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-05-21 21:59:27,284 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:59:27,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:59:27,302 INFO L225 Difference]: With dead ends: 15627 [2021-05-21 21:59:27,302 INFO L226 Difference]: Without dead ends: 15207 [2021-05-21 21:59:27,304 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4783 ImplicationChecksByTransitivity, 17569.6ms TimeCoverageRelationStatistics Valid=1658, Invalid=15898, Unknown=0, NotChecked=0, Total=17556 [2021-05-21 21:59:27,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15207 states. [2021-05-21 21:59:27,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15207 to 10023. [2021-05-21 21:59:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10023 states, 10021 states have (on average 2.565213052589562) internal successors, (25706), 10022 states have internal predecessors, (25706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:59:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10023 states to 10023 states and 25706 transitions. [2021-05-21 21:59:27,455 INFO L78 Accepts]: Start accepts. Automaton has 10023 states and 25706 transitions. Word has length 184 [2021-05-21 21:59:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:59:27,455 INFO L482 AbstractCegarLoop]: Abstraction has 10023 states and 25706 transitions. [2021-05-21 21:59:27,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:59:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 10023 states and 25706 transitions. [2021-05-21 21:59:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:59:27,463 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:59:27,464 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:59:27,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-05-21 21:59:27,464 INFO L430 AbstractCegarLoop]: === Iteration 34 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:59:27,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:59:27,464 INFO L82 PathProgramCache]: Analyzing trace with hash 956827493, now seen corresponding path program 18 times [2021-05-21 21:59:27,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:59:27,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738901198] [2021-05-21 21:59:27,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:59:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:59:28,085 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-05-21 21:59:28,371 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:59:28,700 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:59:29,061 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:59:29,400 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 21:59:29,755 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-05-21 21:59:30,058 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 21:59:30,917 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:59:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 21:59:33,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 21:59:33,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738901198] [2021-05-21 21:59:33,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738901198] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 21:59:33,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 21:59:33,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 21:59:33,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7024358] [2021-05-21 21:59:33,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 21:59:33,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 21:59:33,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 21:59:33,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2568, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 21:59:33,574 INFO L87 Difference]: Start difference. First operand 10023 states and 25706 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:59:35,654 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 21:59:36,132 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 21:59:36,623 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 21:59:37,169 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 21:59:37,914 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 81 [2021-05-21 21:59:38,682 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 79 [2021-05-21 21:59:41,394 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-05-21 21:59:46,126 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-05-21 21:59:49,162 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2021-05-21 21:59:50,954 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2021-05-21 21:59:54,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 21:59:54,815 INFO L93 Difference]: Finished difference Result 15649 states and 40255 transitions. [2021-05-21 21:59:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-05-21 21:59:54,815 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 21:59:54,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 21:59:54,832 INFO L225 Difference]: With dead ends: 15649 [2021-05-21 21:59:54,833 INFO L226 Difference]: Without dead ends: 15229 [2021-05-21 21:59:54,834 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4980 ImplicationChecksByTransitivity, 18248.1ms TimeCoverageRelationStatistics Valid=1688, Invalid=16672, Unknown=0, NotChecked=0, Total=18360 [2021-05-21 21:59:54,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15229 states. [2021-05-21 21:59:54,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15229 to 10036. [2021-05-21 21:59:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10036 states, 10034 states have (on average 2.5653777157663944) internal successors, (25741), 10035 states have internal predecessors, (25741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:59:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10036 states to 10036 states and 25741 transitions. [2021-05-21 21:59:54,979 INFO L78 Accepts]: Start accepts. Automaton has 10036 states and 25741 transitions. Word has length 184 [2021-05-21 21:59:54,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 21:59:54,980 INFO L482 AbstractCegarLoop]: Abstraction has 10036 states and 25741 transitions. [2021-05-21 21:59:54,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 21:59:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 10036 states and 25741 transitions. [2021-05-21 21:59:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 21:59:54,988 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 21:59:54,988 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 21:59:54,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-05-21 21:59:54,989 INFO L430 AbstractCegarLoop]: === Iteration 35 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 21:59:54,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 21:59:54,989 INFO L82 PathProgramCache]: Analyzing trace with hash 913127371, now seen corresponding path program 19 times [2021-05-21 21:59:54,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 21:59:54,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392856693] [2021-05-21 21:59:54,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 21:59:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 21:59:55,812 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 21:59:56,096 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:59:56,424 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 21:59:56,734 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 21:59:57,056 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-05-21 21:59:57,312 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 21:59:58,015 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 21:59:58,784 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 22:00:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:00:04,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:00:04,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392856693] [2021-05-21 22:00:04,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392856693] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:00:04,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:00:04,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 22:00:04,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890282907] [2021-05-21 22:00:04,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 22:00:04,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:00:04,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 22:00:04,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2566, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 22:00:04,043 INFO L87 Difference]: Start difference. First operand 10036 states and 25741 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:00:05,894 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-05-21 22:00:07,137 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 22:00:07,500 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 22:00:07,900 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 22:00:08,366 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 22:00:09,022 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 22:00:09,698 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 22:00:12,469 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 22:00:12,820 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 22:00:13,109 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-05-21 22:00:14,420 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 22:00:15,799 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-05-21 22:00:16,583 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2021-05-21 22:00:19,026 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 22:00:22,832 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 22:00:26,132 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 22:00:27,590 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 22:00:29,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:00:29,396 INFO L93 Difference]: Finished difference Result 16779 states and 43195 transitions. [2021-05-21 22:00:29,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-05-21 22:00:29,397 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 22:00:29,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:00:29,415 INFO L225 Difference]: With dead ends: 16779 [2021-05-21 22:00:29,415 INFO L226 Difference]: Without dead ends: 16359 [2021-05-21 22:00:29,417 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5042 ImplicationChecksByTransitivity, 20898.3ms TimeCoverageRelationStatistics Valid=1716, Invalid=16644, Unknown=0, NotChecked=0, Total=18360 [2021-05-21 22:00:29,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16359 states. [2021-05-21 22:00:29,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16359 to 10348. [2021-05-21 22:00:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10348 states, 10346 states have (on average 2.5692054900444616) internal successors, (26581), 10347 states have internal predecessors, (26581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:00:29,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10348 states to 10348 states and 26581 transitions. [2021-05-21 22:00:29,573 INFO L78 Accepts]: Start accepts. Automaton has 10348 states and 26581 transitions. Word has length 184 [2021-05-21 22:00:29,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:00:29,573 INFO L482 AbstractCegarLoop]: Abstraction has 10348 states and 26581 transitions. [2021-05-21 22:00:29,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:00:29,573 INFO L276 IsEmpty]: Start isEmpty. Operand 10348 states and 26581 transitions. [2021-05-21 22:00:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 22:00:29,581 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:00:29,581 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:00:29,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-05-21 22:00:29,581 INFO L430 AbstractCegarLoop]: === Iteration 36 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:00:29,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:00:29,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1490581689, now seen corresponding path program 20 times [2021-05-21 22:00:29,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:00:29,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743141621] [2021-05-21 22:00:29,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:00:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:00:30,412 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 22:00:30,708 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 22:00:31,035 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 22:00:31,349 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 22:00:31,678 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-05-21 22:00:31,953 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 22:00:32,650 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 22:00:33,381 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 22:00:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:00:38,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:00:38,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743141621] [2021-05-21 22:00:38,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743141621] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:00:38,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:00:38,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 22:00:38,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958995455] [2021-05-21 22:00:38,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 22:00:38,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:00:38,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 22:00:38,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2555, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 22:00:38,676 INFO L87 Difference]: Start difference. First operand 10348 states and 26581 transitions. Second operand has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:00:41,295 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-05-21 22:00:42,830 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 22:00:43,916 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 22:00:44,827 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 22:00:45,735 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 22:00:46,726 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 22:00:47,385 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 22:00:47,881 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 22:00:50,132 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 22:00:50,419 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 22:00:51,151 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 22:00:51,366 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 22:00:52,406 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 71 [2021-05-21 22:00:53,438 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 22:00:55,963 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 22:00:56,281 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-05-21 22:00:58,220 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 22:00:59,187 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 22:01:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:01:00,242 INFO L93 Difference]: Finished difference Result 14763 states and 38063 transitions. [2021-05-21 22:01:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-21 22:01:00,242 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-05-21 22:01:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:01:00,258 INFO L225 Difference]: With dead ends: 14763 [2021-05-21 22:01:00,259 INFO L226 Difference]: Without dead ends: 14343 [2021-05-21 22:01:00,260 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4547 ImplicationChecksByTransitivity, 22667.3ms TimeCoverageRelationStatistics Valid=1619, Invalid=15151, Unknown=0, NotChecked=0, Total=16770 [2021-05-21 22:01:00,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14343 states. [2021-05-21 22:01:00,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14343 to 10348. [2021-05-21 22:01:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10348 states, 10346 states have (on average 2.5692054900444616) internal successors, (26581), 10347 states have internal predecessors, (26581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:01:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10348 states to 10348 states and 26581 transitions. [2021-05-21 22:01:00,406 INFO L78 Accepts]: Start accepts. Automaton has 10348 states and 26581 transitions. Word has length 184 [2021-05-21 22:01:00,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:01:00,406 INFO L482 AbstractCegarLoop]: Abstraction has 10348 states and 26581 transitions. [2021-05-21 22:01:00,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:01:00,406 INFO L276 IsEmpty]: Start isEmpty. Operand 10348 states and 26581 transitions. [2021-05-21 22:01:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 22:01:00,415 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:01:00,415 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:01:00,415 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-05-21 22:01:00,416 INFO L430 AbstractCegarLoop]: === Iteration 37 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:01:00,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:01:00,416 INFO L82 PathProgramCache]: Analyzing trace with hash 473197579, now seen corresponding path program 21 times [2021-05-21 22:01:00,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:01:00,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267967522] [2021-05-21 22:01:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:01:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-05-21 22:03:41,636 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,642 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,643 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,644 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,644 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,645 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,645 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,646 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,647 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,648 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,649 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,649 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,650 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,651 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,652 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,653 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,653 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,654 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,654 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,655 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,655 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,655 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,656 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,656 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,657 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,657 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,657 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,658 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,658 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,658 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,659 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,669 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 22:03:41,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-05-21 22:03:41,671 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-21 22:03:41,671 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT (1/2) [2021-05-21 22:03:41,673 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 22:03:41,673 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:03:41,674 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:03:41,674 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:03:41,674 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:03:41,674 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:03:41,674 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:03:41,674 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:03:41,674 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 22:03:41,680 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 247 places, 257 transitions, 536 flow [2021-05-21 22:03:41,681 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-21 22:03:41,681 INFO L315 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2021-05-21 22:03:41,681 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 22:03:41,683 WARN L196 ceAbstractionStarter]: Timeout [2021-05-21 22:03:41,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 10:03:41 BasicIcfg [2021-05-21 22:03:41,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 22:03:41,683 INFO L168 Benchmark]: Toolchain (without parser) took 781739.59 ms. Allocated memory was 352.3 MB in the beginning and 8.2 GB in the end (delta: 7.8 GB). Free memory was 313.9 MB in the beginning and 4.8 GB in the end (delta: -4.5 GB). Peak memory consumption was 3.3 GB. Max. memory is 16.0 GB. [2021-05-21 22:03:41,684 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 352.3 MB. Free memory is still 332.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 22:03:41,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.41 ms. Allocated memory is still 352.3 MB. Free memory was 313.6 MB in the beginning and 287.7 MB in the end (delta: 25.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.0 GB. [2021-05-21 22:03:41,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.66 ms. Allocated memory is still 352.3 MB. Free memory was 287.7 MB in the beginning and 284.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 22:03:41,684 INFO L168 Benchmark]: Boogie Preprocessor took 28.31 ms. Allocated memory is still 352.3 MB. Free memory was 284.6 MB in the beginning and 282.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 22:03:41,684 INFO L168 Benchmark]: RCFGBuilder took 609.98 ms. Allocated memory is still 352.3 MB. Free memory was 282.5 MB in the beginning and 234.3 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-05-21 22:03:41,684 INFO L168 Benchmark]: TraceAbstraction took 780120.47 ms. Allocated memory was 352.3 MB in the beginning and 8.2 GB in the end (delta: 7.8 GB). Free memory was 234.3 MB in the beginning and 4.8 GB in the end (delta: -4.6 GB). Peak memory consumption was 3.3 GB. Max. memory is 16.0 GB. [2021-05-21 22:03:41,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 352.3 MB. Free memory is still 332.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 511.41 ms. Allocated memory is still 352.3 MB. Free memory was 313.6 MB in the beginning and 287.7 MB in the end (delta: 25.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.66 ms. Allocated memory is still 352.3 MB. Free memory was 287.7 MB in the beginning and 284.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.31 ms. Allocated memory is still 352.3 MB. Free memory was 284.6 MB in the beginning and 282.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 609.98 ms. Allocated memory is still 352.3 MB. Free memory was 282.5 MB in the beginning and 234.3 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 780120.47 ms. Allocated memory was 352.3 MB in the beginning and 8.2 GB in the end (delta: 7.8 GB). Free memory was 234.3 MB in the beginning and 4.8 GB in the end (delta: -4.6 GB). Peak memory consumption was 3.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1043]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 185 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 183 interpolants. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 185 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 183 interpolants. - TimeoutResultAtElement [Line: 1059]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 185 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 183 interpolants. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 779891.5ms, OverallIterations: 37, TraceHistogramMax: 1, EmptinessCheckTime: 370.8ms, AutomataDifference: 478276.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1133.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 14701 SDtfs, 77470 SDslu, 294793 SDs, 0 SdLazy, 145811 SolverSat, 4148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165556.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3782 GetRequests, 531 SyntacticMatches, 129 SemanticMatches, 3122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100495 ImplicationChecksByTransitivity, 408776.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=23654occurred in iteration=0, InterpolantAutomatonStates: 1952, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8257.3ms AutomataMinimizationTime, 36 MinimizatonAttempts, 105502 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 130.7ms SsaConstructionTime, 1033.4ms SatisfiabilityAnalysisTime, 128992.9ms InterpolantComputationTime, 5594 NumberOfCodeBlocks, 5594 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 5558 ConstructedInterpolants, 0 QuantifiedInterpolants, 383875 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 7.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown