/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 15:37:05,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 15:37:05,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 15:37:05,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 15:37:05,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 15:37:05,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 15:37:05,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 15:37:05,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-05-21 15:37:05,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 15:37:05,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 15:37:05,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 15:37:05,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 15:37:05,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 15:37:05,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 15:37:05,698 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 15:37:05,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 15:37:05,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 15:37:05,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 15:37:05,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 15:37:05,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 15:37:05,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 15:37:05,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 15:37:05,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 15:37:05,700 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 15:37:05,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 15:37:05,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 15:37:05,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 15:37:05,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 15:37:05,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 15:37:05,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 15:37:05,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 15:37:05,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 15:37:05,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 15:37:05,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 15:37:05,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 15:37:05,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 15:37:05,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 15:37:05,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 15:37:05,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 15:37:05,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 15:37:05,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 15:37:06,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 15:37:06,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 15:37:06,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 15:37:06,025 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 15:37:06,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2021-05-21 15:37:06,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a740aed9/cfd05d5f419347028f9b045f9f52d7ea/FLAG94c8dabbc [2021-05-21 15:37:06,575 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 15:37:06,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2021-05-21 15:37:06,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a740aed9/cfd05d5f419347028f9b045f9f52d7ea/FLAG94c8dabbc [2021-05-21 15:37:06,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a740aed9/cfd05d5f419347028f9b045f9f52d7ea [2021-05-21 15:37:06,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 15:37:06,880 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 15:37:06,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 15:37:06,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 15:37:06,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 15:37:06,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 03:37:06" (1/1) ... [2021-05-21 15:37:06,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d88e7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:06, skipping insertion in model container [2021-05-21 15:37:06,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 03:37:06" (1/1) ... [2021-05-21 15:37:06,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 15:37:06,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 15:37:07,287 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 15:37:07,292 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 15:37:07,295 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 15:37:07,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 15:37:07,305 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 15:37:07,356 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 15:37:07,362 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 15:37:07,368 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 15:37:07,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 15:37:07,482 INFO L208 MainTranslator]: Completed translation [2021-05-21 15:37:07,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07 WrapperNode [2021-05-21 15:37:07,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 15:37:07,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 15:37:07,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 15:37:07,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 15:37:07,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 15:37:07,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 15:37:07,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 15:37:07,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 15:37:07,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (1/1) ... [2021-05-21 15:37:07,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 15:37:07,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 15:37:07,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 15:37:07,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 15:37:07,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (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 15:37:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-05-21 15:37:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-05-21 15:37:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-05-21 15:37:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-05-21 15:37:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 15:37:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 15:37:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 15:37:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 15:37:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-05-21 15:37:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 15:37:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 15:37:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 15:37:07,677 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 15:37:08,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 15:37:08,312 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-05-21 15:37:08,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 03:37:08 BoogieIcfgContainer [2021-05-21 15:37:08,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 15:37:08,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 15:37:08,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 15:37:08,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 15:37:08,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 03:37:06" (1/3) ... [2021-05-21 15:37:08,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1553dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 03:37:08, skipping insertion in model container [2021-05-21 15:37:08,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 03:37:07" (2/3) ... [2021-05-21 15:37:08,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1553dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 03:37:08, skipping insertion in model container [2021-05-21 15:37:08,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 03:37:08" (3/3) ... [2021-05-21 15:37:08,320 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2021-05-21 15:37:08,325 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 15:37:08,326 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 15:37:08,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-05-21 15:37:08,326 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 15:37:08,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,378 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,378 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,379 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,379 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,380 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,384 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,384 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,384 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,385 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,385 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,385 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,385 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,385 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,385 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,385 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,385 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,387 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,388 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,389 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,389 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,390 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,390 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,390 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,390 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,390 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,390 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,390 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,392 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,392 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,393 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,393 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,394 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,395 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,395 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,395 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,396 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,396 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,396 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,396 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,396 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,396 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,396 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,397 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,397 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,397 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,397 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,397 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,399 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,399 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,399 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,399 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,399 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,399 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,399 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,400 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,401 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,401 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,401 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,401 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,401 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,401 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,401 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,402 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,402 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,402 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,407 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,407 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,412 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,419 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,419 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,419 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,419 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,420 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,421 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,421 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,421 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,422 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,423 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,423 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,426 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,426 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,426 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,426 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,433 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,433 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,433 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,433 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,437 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,437 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,443 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,443 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,443 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,443 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,443 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,443 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,443 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,443 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,444 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,444 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,444 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,444 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,444 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,444 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,444 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,444 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,445 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,445 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,445 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,445 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,445 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,445 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,445 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,451 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,451 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,451 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,452 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,453 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,453 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,453 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,454 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,454 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,455 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,455 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,455 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,457 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,457 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,458 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,458 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,459 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,459 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,460 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,460 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,469 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,474 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,474 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,474 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,475 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,481 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,482 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,482 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,482 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 15:37:08,500 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-05-21 15:37:08,519 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-05-21 15:37:08,548 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 15:37:08,548 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 15:37:08,548 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 15:37:08,548 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 15:37:08,548 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 15:37:08,548 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 15:37:08,548 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 15:37:08,548 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 15:37:08,560 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 247 places, 257 transitions, 536 flow [2021-05-21 15:37:09,891 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 15:37:09,994 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 15:37:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 15:37:10,002 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:10,003 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 15:37:10,003 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:10,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:10,011 INFO L82 PathProgramCache]: Analyzing trace with hash 617310073, now seen corresponding path program 1 times [2021-05-21 15:37:10,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:10,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111344586] [2021-05-21 15:37:10,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:10,214 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 15:37:10,215 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:10,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111344586] [2021-05-21 15:37:10,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111344586] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:10,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:10,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 15:37:10,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849638617] [2021-05-21 15:37:10,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-21 15:37:10,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:10,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-21 15:37:10,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 15:37:10,318 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 15:37:10,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:10,573 INFO L93 Difference]: Finished difference Result 23006 states and 64260 transitions. [2021-05-21 15:37:10,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-21 15:37:10,574 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 15:37:10,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:10,720 INFO L225 Difference]: With dead ends: 23006 [2021-05-21 15:37:10,720 INFO L226 Difference]: Without dead ends: 22283 [2021-05-21 15:37:10,722 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 15:37:10,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22283 states. [2021-05-21 15:37:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22283 to 22283. [2021-05-21 15:37:11,543 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 15:37:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 62354 transitions. [2021-05-21 15:37:11,630 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 62354 transitions. Word has length 48 [2021-05-21 15:37:11,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:11,631 INFO L482 AbstractCegarLoop]: Abstraction has 22283 states and 62354 transitions. [2021-05-21 15:37:11,631 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 15:37:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 62354 transitions. [2021-05-21 15:37:11,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-05-21 15:37:11,645 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:11,645 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 15:37:11,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 15:37:11,645 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:11,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:11,648 INFO L82 PathProgramCache]: Analyzing trace with hash -383819529, now seen corresponding path program 1 times [2021-05-21 15:37:11,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:11,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779799113] [2021-05-21 15:37:11,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:11,986 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 15:37:11,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:11,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779799113] [2021-05-21 15:37:11,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779799113] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:11,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:11,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-05-21 15:37:11,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883278337] [2021-05-21 15:37:11,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-21 15:37:11,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:11,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-21 15:37:11,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-05-21 15:37:11,993 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 15:37:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:12,900 INFO L93 Difference]: Finished difference Result 22280 states and 62350 transitions. [2021-05-21 15:37:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-21 15:37:12,901 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 15:37:12,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:12,967 INFO L225 Difference]: With dead ends: 22280 [2021-05-21 15:37:12,967 INFO L226 Difference]: Without dead ends: 22280 [2021-05-21 15:37:12,968 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 474.5ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-05-21 15:37:13,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22280 states. [2021-05-21 15:37:13,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22280 to 22280. [2021-05-21 15:37:13,525 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 15:37:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22280 states to 22280 states and 62350 transitions. [2021-05-21 15:37:13,601 INFO L78 Accepts]: Start accepts. Automaton has 22280 states and 62350 transitions. Word has length 83 [2021-05-21 15:37:13,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:13,601 INFO L482 AbstractCegarLoop]: Abstraction has 22280 states and 62350 transitions. [2021-05-21 15:37:13,601 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 15:37:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 22280 states and 62350 transitions. [2021-05-21 15:37:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-05-21 15:37:13,606 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:13,606 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 15:37:13,606 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 15:37:13,606 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:13,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:13,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1409373696, now seen corresponding path program 1 times [2021-05-21 15:37:13,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:13,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074965297] [2021-05-21 15:37:13,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:13,654 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 15:37:13,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:13,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074965297] [2021-05-21 15:37:13,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074965297] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:13,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:13,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 15:37:13,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296091509] [2021-05-21 15:37:13,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-21 15:37:13,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:13,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-21 15:37:13,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-21 15:37:13,656 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 15:37:13,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:13,913 INFO L93 Difference]: Finished difference Result 22063 states and 61535 transitions. [2021-05-21 15:37:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-21 15:37:13,914 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 15:37:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:13,981 INFO L225 Difference]: With dead ends: 22063 [2021-05-21 15:37:13,981 INFO L226 Difference]: Without dead ends: 22063 [2021-05-21 15:37:13,982 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-21 15:37:14,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22063 states. [2021-05-21 15:37:14,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22063 to 22063. [2021-05-21 15:37:14,553 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 15:37:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22063 states to 22063 states and 61535 transitions. [2021-05-21 15:37:14,726 INFO L78 Accepts]: Start accepts. Automaton has 22063 states and 61535 transitions. Word has length 84 [2021-05-21 15:37:14,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:14,727 INFO L482 AbstractCegarLoop]: Abstraction has 22063 states and 61535 transitions. [2021-05-21 15:37:14,727 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 15:37:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 22063 states and 61535 transitions. [2021-05-21 15:37:14,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-05-21 15:37:14,735 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:14,735 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 15:37:14,735 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 15:37:14,736 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:14,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:14,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1743993907, now seen corresponding path program 1 times [2021-05-21 15:37:14,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:14,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075952696] [2021-05-21 15:37:14,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:14,789 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 15:37:14,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:14,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075952696] [2021-05-21 15:37:14,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075952696] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:14,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:14,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 15:37:14,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587211114] [2021-05-21 15:37:14,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 15:37:14,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:14,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 15:37:14,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 15:37:14,791 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 15:37:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:14,853 INFO L93 Difference]: Finished difference Result 15355 states and 42187 transitions. [2021-05-21 15:37:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 15:37:14,854 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 15:37:14,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:14,883 INFO L225 Difference]: With dead ends: 15355 [2021-05-21 15:37:14,883 INFO L226 Difference]: Without dead ends: 15112 [2021-05-21 15:37:14,883 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 15:37:14,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15112 states. [2021-05-21 15:37:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15112 to 15112. [2021-05-21 15:37:15,266 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 15:37:15,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15112 states to 15112 states and 41551 transitions. [2021-05-21 15:37:15,304 INFO L78 Accepts]: Start accepts. Automaton has 15112 states and 41551 transitions. Word has length 93 [2021-05-21 15:37:15,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:15,305 INFO L482 AbstractCegarLoop]: Abstraction has 15112 states and 41551 transitions. [2021-05-21 15:37:15,305 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 15:37:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 15112 states and 41551 transitions. [2021-05-21 15:37:15,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-05-21 15:37:15,317 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:15,317 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 15:37:15,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 15:37:15,317 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:15,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:15,318 INFO L82 PathProgramCache]: Analyzing trace with hash -477175304, now seen corresponding path program 1 times [2021-05-21 15:37:15,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:15,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424820105] [2021-05-21 15:37:15,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:15,386 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 15:37:15,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:15,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424820105] [2021-05-21 15:37:15,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424820105] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:15,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:15,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 15:37:15,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179908990] [2021-05-21 15:37:15,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-21 15:37:15,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:15,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-21 15:37:15,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-21 15:37:15,388 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 15:37:15,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:15,490 INFO L93 Difference]: Finished difference Result 26661 states and 73631 transitions. [2021-05-21 15:37:15,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-21 15:37:15,491 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 15:37:15,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:15,544 INFO L225 Difference]: With dead ends: 26661 [2021-05-21 15:37:15,545 INFO L226 Difference]: Without dead ends: 26571 [2021-05-21 15:37:15,545 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-21 15:37:15,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26571 states. [2021-05-21 15:37:16,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26571 to 15217. [2021-05-21 15:37:16,144 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 15:37:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15217 states to 15217 states and 41818 transitions. [2021-05-21 15:37:16,180 INFO L78 Accepts]: Start accepts. Automaton has 15217 states and 41818 transitions. Word has length 99 [2021-05-21 15:37:16,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:16,180 INFO L482 AbstractCegarLoop]: Abstraction has 15217 states and 41818 transitions. [2021-05-21 15:37:16,180 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 15:37:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 15217 states and 41818 transitions. [2021-05-21 15:37:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-05-21 15:37:16,187 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:16,187 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 15:37:16,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 15:37:16,187 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:16,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:16,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1731505684, now seen corresponding path program 1 times [2021-05-21 15:37:16,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:16,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227090188] [2021-05-21 15:37:16,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:16,595 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 15:37:16,596 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:16,596 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227090188] [2021-05-21 15:37:16,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227090188] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:16,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:16,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-05-21 15:37:16,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129481514] [2021-05-21 15:37:16,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-21 15:37:16,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:16,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-21 15:37:16,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-05-21 15:37:16,598 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 15:37:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:17,574 INFO L93 Difference]: Finished difference Result 15327 states and 42117 transitions. [2021-05-21 15:37:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-21 15:37:17,575 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 15:37:17,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:17,603 INFO L225 Difference]: With dead ends: 15327 [2021-05-21 15:37:17,603 INFO L226 Difference]: Without dead ends: 15327 [2021-05-21 15:37:17,603 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 745.8ms TimeCoverageRelationStatistics Valid=223, Invalid=533, Unknown=0, NotChecked=0, Total=756 [2021-05-21 15:37:17,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15327 states. [2021-05-21 15:37:17,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15327 to 15267. [2021-05-21 15:37:17,949 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 15:37:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15267 states to 15267 states and 41955 transitions. [2021-05-21 15:37:17,987 INFO L78 Accepts]: Start accepts. Automaton has 15267 states and 41955 transitions. Word has length 100 [2021-05-21 15:37:17,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:17,987 INFO L482 AbstractCegarLoop]: Abstraction has 15267 states and 41955 transitions. [2021-05-21 15:37:17,987 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 15:37:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 15267 states and 41955 transitions. [2021-05-21 15:37:17,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-05-21 15:37:17,995 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:17,995 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 15:37:17,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-21 15:37:17,995 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:17,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:17,995 INFO L82 PathProgramCache]: Analyzing trace with hash 588694202, now seen corresponding path program 1 times [2021-05-21 15:37:17,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:17,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419361214] [2021-05-21 15:37:17,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:18,661 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 15:37:18,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:18,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419361214] [2021-05-21 15:37:18,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419361214] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:18,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:18,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-05-21 15:37:18,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947827325] [2021-05-21 15:37:18,662 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-21 15:37:18,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:18,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-21 15:37:18,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2021-05-21 15:37:18,663 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 15:37:20,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:20,951 INFO L93 Difference]: Finished difference Result 15277 states and 41997 transitions. [2021-05-21 15:37:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-21 15:37:20,951 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 15:37:20,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:20,977 INFO L225 Difference]: With dead ends: 15277 [2021-05-21 15:37:20,978 INFO L226 Difference]: Without dead ends: 15262 [2021-05-21 15:37:20,979 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1879.2ms TimeCoverageRelationStatistics Valid=466, Invalid=1984, Unknown=0, NotChecked=0, Total=2450 [2021-05-21 15:37:21,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15262 states. [2021-05-21 15:37:21,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15262 to 15262. [2021-05-21 15:37:21,284 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 15:37:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15262 states to 15262 states and 41973 transitions. [2021-05-21 15:37:21,317 INFO L78 Accepts]: Start accepts. Automaton has 15262 states and 41973 transitions. Word has length 104 [2021-05-21 15:37:21,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:21,317 INFO L482 AbstractCegarLoop]: Abstraction has 15262 states and 41973 transitions. [2021-05-21 15:37:21,317 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 15:37:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 15262 states and 41973 transitions. [2021-05-21 15:37:21,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-05-21 15:37:21,325 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:21,325 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 15:37:21,325 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-21 15:37:21,326 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:21,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:21,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1887066075, now seen corresponding path program 1 times [2021-05-21 15:37:21,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:21,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245206017] [2021-05-21 15:37:21,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:21,756 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 15:37:21,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:21,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245206017] [2021-05-21 15:37:21,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245206017] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:21,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:21,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-05-21 15:37:21,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296757178] [2021-05-21 15:37:21,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-21 15:37:21,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:21,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-21 15:37:21,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-05-21 15:37:21,759 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 15:37:22,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:22,743 INFO L93 Difference]: Finished difference Result 17982 states and 49376 transitions. [2021-05-21 15:37:22,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-21 15:37:22,744 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 15:37:22,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:22,767 INFO L225 Difference]: With dead ends: 17982 [2021-05-21 15:37:22,768 INFO L226 Difference]: Without dead ends: 17982 [2021-05-21 15:37:22,768 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 781.0ms TimeCoverageRelationStatistics Valid=313, Invalid=947, Unknown=0, NotChecked=0, Total=1260 [2021-05-21 15:37:22,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17982 states. [2021-05-21 15:37:23,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17982 to 16042. [2021-05-21 15:37:23,091 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 15:37:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16042 states to 16042 states and 44079 transitions. [2021-05-21 15:37:23,118 INFO L78 Accepts]: Start accepts. Automaton has 16042 states and 44079 transitions. Word has length 105 [2021-05-21 15:37:23,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:23,119 INFO L482 AbstractCegarLoop]: Abstraction has 16042 states and 44079 transitions. [2021-05-21 15:37:23,119 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 15:37:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 16042 states and 44079 transitions. [2021-05-21 15:37:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-05-21 15:37:23,125 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:23,125 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 15:37:23,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 15:37:23,126 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:23,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:23,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1261951723, now seen corresponding path program 2 times [2021-05-21 15:37:23,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:23,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898779839] [2021-05-21 15:37:23,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:23,889 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 15:37:23,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:23,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898779839] [2021-05-21 15:37:23,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898779839] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:23,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:23,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-05-21 15:37:23,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519579888] [2021-05-21 15:37:23,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-21 15:37:23,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:23,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-21 15:37:23,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-05-21 15:37:23,892 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 15:37:25,178 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2021-05-21 15:37:26,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:26,343 INFO L93 Difference]: Finished difference Result 18485 states and 50800 transitions. [2021-05-21 15:37:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-21 15:37:26,344 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 15:37:26,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:26,368 INFO L225 Difference]: With dead ends: 18485 [2021-05-21 15:37:26,369 INFO L226 Difference]: Without dead ends: 18260 [2021-05-21 15:37:26,369 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 2278.2ms TimeCoverageRelationStatistics Valid=515, Invalid=2035, Unknown=0, NotChecked=0, Total=2550 [2021-05-21 15:37:26,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18260 states. [2021-05-21 15:37:26,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18260 to 16342. [2021-05-21 15:37:26,669 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 15:37:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16342 states to 16342 states and 44972 transitions. [2021-05-21 15:37:26,698 INFO L78 Accepts]: Start accepts. Automaton has 16342 states and 44972 transitions. Word has length 105 [2021-05-21 15:37:26,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:26,698 INFO L482 AbstractCegarLoop]: Abstraction has 16342 states and 44972 transitions. [2021-05-21 15:37:26,698 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 15:37:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 16342 states and 44972 transitions. [2021-05-21 15:37:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-05-21 15:37:26,706 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:26,706 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 15:37:26,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-21 15:37:26,707 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:26,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:26,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1732922443, now seen corresponding path program 1 times [2021-05-21 15:37:26,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:26,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807155490] [2021-05-21 15:37:26,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:27,479 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 15:37:27,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:27,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807155490] [2021-05-21 15:37:27,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807155490] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:27,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:27,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 15:37:27,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739590901] [2021-05-21 15:37:27,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 15:37:27,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:27,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 15:37:27,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2021-05-21 15:37:27,481 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 15:37:28,725 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2021-05-21 15:37:29,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:29,899 INFO L93 Difference]: Finished difference Result 18538 states and 51034 transitions. [2021-05-21 15:37:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-21 15:37:29,899 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 15:37:29,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:29,920 INFO L225 Difference]: With dead ends: 18538 [2021-05-21 15:37:29,920 INFO L226 Difference]: Without dead ends: 17908 [2021-05-21 15:37:29,921 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 2080.2ms TimeCoverageRelationStatistics Valid=545, Invalid=2317, Unknown=0, NotChecked=0, Total=2862 [2021-05-21 15:37:29,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17908 states. [2021-05-21 15:37:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17908 to 15487. [2021-05-21 15:37:30,214 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 15:37:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15487 states to 15487 states and 42651 transitions. [2021-05-21 15:37:30,241 INFO L78 Accepts]: Start accepts. Automaton has 15487 states and 42651 transitions. Word has length 109 [2021-05-21 15:37:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:30,242 INFO L482 AbstractCegarLoop]: Abstraction has 15487 states and 42651 transitions. [2021-05-21 15:37:30,242 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 15:37:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 15487 states and 42651 transitions. [2021-05-21 15:37:30,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-05-21 15:37:30,248 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:30,248 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] [2021-05-21 15:37:30,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-21 15:37:30,249 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:30,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:30,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1462976531, now seen corresponding path program 2 times [2021-05-21 15:37:30,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:30,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395750006] [2021-05-21 15:37:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:31,079 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 15:37:31,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:31,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395750006] [2021-05-21 15:37:31,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395750006] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:31,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:31,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-05-21 15:37:31,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016736503] [2021-05-21 15:37:31,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-21 15:37:31,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:31,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-21 15:37:31,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2021-05-21 15:37:31,086 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 15:37:32,270 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2021-05-21 15:37:32,486 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2021-05-21 15:37:33,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:33,620 INFO L93 Difference]: Finished difference Result 15463 states and 42602 transitions. [2021-05-21 15:37:33,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-21 15:37:33,621 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 15:37:33,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:33,644 INFO L225 Difference]: With dead ends: 15463 [2021-05-21 15:37:33,645 INFO L226 Difference]: Without dead ends: 15373 [2021-05-21 15:37:33,647 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 2276.0ms TimeCoverageRelationStatistics Valid=539, Invalid=2217, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:37:33,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15373 states. [2021-05-21 15:37:33,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15373 to 14527. [2021-05-21 15:37:33,933 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 15:37:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14527 states to 14527 states and 40029 transitions. [2021-05-21 15:37:33,957 INFO L78 Accepts]: Start accepts. Automaton has 14527 states and 40029 transitions. Word has length 109 [2021-05-21 15:37:33,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:33,957 INFO L482 AbstractCegarLoop]: Abstraction has 14527 states and 40029 transitions. [2021-05-21 15:37:33,958 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 15:37:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 14527 states and 40029 transitions. [2021-05-21 15:37:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-05-21 15:37:33,970 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:33,970 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 15:37:33,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-05-21 15:37:33,970 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:33,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:33,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1328138375, now seen corresponding path program 1 times [2021-05-21 15:37:33,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:33,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421927430] [2021-05-21 15:37:33,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:34,008 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 15:37:34,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:34,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421927430] [2021-05-21 15:37:34,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421927430] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:34,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:34,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 15:37:34,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248782878] [2021-05-21 15:37:34,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 15:37:34,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:34,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 15:37:34,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 15:37:34,010 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 15:37:34,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:34,047 INFO L93 Difference]: Finished difference Result 7076 states and 18145 transitions. [2021-05-21 15:37:34,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 15:37:34,047 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 15:37:34,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:34,057 INFO L225 Difference]: With dead ends: 7076 [2021-05-21 15:37:34,057 INFO L226 Difference]: Without dead ends: 7076 [2021-05-21 15:37:34,057 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 15:37:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7076 states. [2021-05-21 15:37:34,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7076 to 5822. [2021-05-21 15:37:34,147 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 15:37:34,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5822 states to 5822 states and 14939 transitions. [2021-05-21 15:37:34,156 INFO L78 Accepts]: Start accepts. Automaton has 5822 states and 14939 transitions. Word has length 171 [2021-05-21 15:37:34,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:34,156 INFO L482 AbstractCegarLoop]: Abstraction has 5822 states and 14939 transitions. [2021-05-21 15:37:34,157 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 15:37:34,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5822 states and 14939 transitions. [2021-05-21 15:37:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-05-21 15:37:34,164 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:34,164 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 15:37:34,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-05-21 15:37:34,164 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:34,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:34,165 INFO L82 PathProgramCache]: Analyzing trace with hash 307883539, now seen corresponding path program 1 times [2021-05-21 15:37:34,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:34,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040851593] [2021-05-21 15:37:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:35,405 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 15:37:35,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:35,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040851593] [2021-05-21 15:37:35,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040851593] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:35,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:35,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-05-21 15:37:35,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879055894] [2021-05-21 15:37:35,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-21 15:37:35,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:35,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-21 15:37:35,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-05-21 15:37:35,407 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 15:37:36,357 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2021-05-21 15:37:36,565 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-05-21 15:37:36,762 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2021-05-21 15:37:37,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:37,206 INFO L93 Difference]: Finished difference Result 5780 states and 14812 transitions. [2021-05-21 15:37:37,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-21 15:37:37,206 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 15:37:37,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:37,212 INFO L225 Difference]: With dead ends: 5780 [2021-05-21 15:37:37,212 INFO L226 Difference]: Without dead ends: 5780 [2021-05-21 15:37:37,212 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 15 SyntacticMatches, 9 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2080.4ms TimeCoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2021-05-21 15:37:37,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2021-05-21 15:37:37,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5486. [2021-05-21 15:37:37,330 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 15:37:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 14070 transitions. [2021-05-21 15:37:37,350 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 14070 transitions. Word has length 172 [2021-05-21 15:37:37,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:37,350 INFO L482 AbstractCegarLoop]: Abstraction has 5486 states and 14070 transitions. [2021-05-21 15:37:37,350 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 15:37:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 14070 transitions. [2021-05-21 15:37:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-05-21 15:37:37,358 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:37,358 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 15:37:37,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-21 15:37:37,358 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:37,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:37,360 INFO L82 PathProgramCache]: Analyzing trace with hash -399593919, now seen corresponding path program 1 times [2021-05-21 15:37:37,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:37,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020694699] [2021-05-21 15:37:37,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 15:37:38,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:38,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020694699] [2021-05-21 15:37:38,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020694699] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:38,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:38,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-21 15:37:38,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240728047] [2021-05-21 15:37:38,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-21 15:37:38,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:38,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-21 15:37:38,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2021-05-21 15:37:38,096 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 15:37:40,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:40,578 INFO L93 Difference]: Finished difference Result 7004 states and 17949 transitions. [2021-05-21 15:37:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-21 15:37:40,579 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 15:37:40,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:40,586 INFO L225 Difference]: With dead ends: 7004 [2021-05-21 15:37:40,587 INFO L226 Difference]: Without dead ends: 7004 [2021-05-21 15:37:40,588 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 2294.1ms TimeCoverageRelationStatistics Valid=768, Invalid=2892, Unknown=0, NotChecked=0, Total=3660 [2021-05-21 15:37:40,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7004 states. [2021-05-21 15:37:40,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7004 to 6390. [2021-05-21 15:37:40,661 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 15:37:40,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6390 states to 6390 states and 16399 transitions. [2021-05-21 15:37:40,669 INFO L78 Accepts]: Start accepts. Automaton has 6390 states and 16399 transitions. Word has length 176 [2021-05-21 15:37:40,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:40,670 INFO L482 AbstractCegarLoop]: Abstraction has 6390 states and 16399 transitions. [2021-05-21 15:37:40,670 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 15:37:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6390 states and 16399 transitions. [2021-05-21 15:37:40,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-05-21 15:37:40,676 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:40,676 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 15:37:40,677 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-05-21 15:37:40,677 INFO L430 AbstractCegarLoop]: === Iteration 15 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:40,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:40,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1262122175, now seen corresponding path program 2 times [2021-05-21 15:37:40,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:40,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919027112] [2021-05-21 15:37:40,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:41,742 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 15:37:41,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:41,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919027112] [2021-05-21 15:37:41,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919027112] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:41,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:41,743 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-21 15:37:41,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725185471] [2021-05-21 15:37:41,743 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-21 15:37:41,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:41,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-21 15:37:41,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1108, Unknown=0, NotChecked=0, Total=1260 [2021-05-21 15:37:41,744 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 15:37:43,503 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2021-05-21 15:37:45,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:45,701 INFO L93 Difference]: Finished difference Result 10790 states and 27903 transitions. [2021-05-21 15:37:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-21 15:37:45,702 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 15:37:45,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:45,713 INFO L225 Difference]: With dead ends: 10790 [2021-05-21 15:37:45,713 INFO L226 Difference]: Without dead ends: 10790 [2021-05-21 15:37:45,715 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 6 SyntacticMatches, 6 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1281 ImplicationChecksByTransitivity, 3596.5ms TimeCoverageRelationStatistics Valid=1103, Invalid=4299, Unknown=0, NotChecked=0, Total=5402 [2021-05-21 15:37:45,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10790 states. [2021-05-21 15:37:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10790 to 9241. [2021-05-21 15:37:45,811 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 15:37:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9241 states to 9241 states and 23970 transitions. [2021-05-21 15:37:45,823 INFO L78 Accepts]: Start accepts. Automaton has 9241 states and 23970 transitions. Word has length 176 [2021-05-21 15:37:45,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:45,823 INFO L482 AbstractCegarLoop]: Abstraction has 9241 states and 23970 transitions. [2021-05-21 15:37:45,824 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 15:37:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 9241 states and 23970 transitions. [2021-05-21 15:37:45,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-05-21 15:37:45,832 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:45,832 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 15:37:45,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-05-21 15:37:45,832 INFO L430 AbstractCegarLoop]: === Iteration 16 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:45,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:45,833 INFO L82 PathProgramCache]: Analyzing trace with hash -788395354, now seen corresponding path program 1 times [2021-05-21 15:37:45,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:45,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76652574] [2021-05-21 15:37:45,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:46,498 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 15:37:46,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:46,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76652574] [2021-05-21 15:37:46,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76652574] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:46,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:46,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-05-21 15:37:46,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027949043] [2021-05-21 15:37:46,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-21 15:37:46,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:46,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-21 15:37:46,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2021-05-21 15:37:46,500 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 15:37:48,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:37:48,427 INFO L93 Difference]: Finished difference Result 8320 states and 21398 transitions. [2021-05-21 15:37:48,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-21 15:37:48,428 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 15:37:48,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:37:48,437 INFO L225 Difference]: With dead ends: 8320 [2021-05-21 15:37:48,437 INFO L226 Difference]: Without dead ends: 8320 [2021-05-21 15:37:48,438 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 1884.3ms TimeCoverageRelationStatistics Valid=635, Invalid=2121, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:37:48,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8320 states. [2021-05-21 15:37:48,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8320 to 8026. [2021-05-21 15:37:48,516 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 15:37:48,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8026 states to 8026 states and 20656 transitions. [2021-05-21 15:37:48,527 INFO L78 Accepts]: Start accepts. Automaton has 8026 states and 20656 transitions. Word has length 180 [2021-05-21 15:37:48,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:37:48,527 INFO L482 AbstractCegarLoop]: Abstraction has 8026 states and 20656 transitions. [2021-05-21 15:37:48,527 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 15:37:48,528 INFO L276 IsEmpty]: Start isEmpty. Operand 8026 states and 20656 transitions. [2021-05-21 15:37:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:37:48,535 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:37:48,535 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 15:37:48,535 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-05-21 15:37:48,535 INFO L430 AbstractCegarLoop]: === Iteration 17 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:37:48,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:37:48,535 INFO L82 PathProgramCache]: Analyzing trace with hash -858234869, now seen corresponding path program 1 times [2021-05-21 15:37:48,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:37:48,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066540129] [2021-05-21 15:37:48,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:37:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:37:49,314 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:37:49,511 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:37:49,741 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:37:50,987 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2021-05-21 15:37:53,695 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 15:37:53,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:37:53,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066540129] [2021-05-21 15:37:53,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066540129] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:37:53,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:37:53,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:37:53,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262038357] [2021-05-21 15:37:53,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:37:53,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:37:53,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:37:53,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2572, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:37:53,698 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 15:37:56,141 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 52 [2021-05-21 15:37:56,645 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2021-05-21 15:37:57,175 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2021-05-21 15:37:57,743 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 15:37:58,533 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 15:37:59,381 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 15:38:00,736 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 59 [2021-05-21 15:38:02,667 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:38:02,968 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:38:03,271 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:38:05,375 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:38:08,273 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:38:10,736 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:38:11,789 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:38:13,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:38:13,110 INFO L93 Difference]: Finished difference Result 11919 states and 30719 transitions. [2021-05-21 15:38:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-05-21 15:38:13,110 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 15:38:13,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:38:13,124 INFO L225 Difference]: With dead ends: 11919 [2021-05-21 15:38:13,124 INFO L226 Difference]: Without dead ends: 11499 [2021-05-21 15:38:13,127 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4369 ImplicationChecksByTransitivity, 16297.8ms TimeCoverageRelationStatistics Valid=1537, Invalid=14719, Unknown=0, NotChecked=0, Total=16256 [2021-05-21 15:38:13,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11499 states. [2021-05-21 15:38:13,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11499 to 9438. [2021-05-21 15:38:13,240 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 15:38:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 15:38:13,254 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 15:38:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:38:13,254 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 15:38:13,254 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 15:38:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 15:38:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:38:13,262 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:38:13,263 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 15:38:13,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-05-21 15:38:13,263 INFO L430 AbstractCegarLoop]: === Iteration 18 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:38:13,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:38:13,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1302633973, now seen corresponding path program 2 times [2021-05-21 15:38:13,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:38:13,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654587554] [2021-05-21 15:38:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:38:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:38:14,195 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:38:14,500 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:38:14,833 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:38:15,121 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 15:38:15,674 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 15:38:16,987 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:38:17,319 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2021-05-21 15:38:20,470 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 15:38:20,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:38:20,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654587554] [2021-05-21 15:38:20,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654587554] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:38:20,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:38:20,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:38:20,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524108788] [2021-05-21 15:38:20,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:38:20,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:38:20,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:38:20,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=2574, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:38:20,473 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 15:38:22,552 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:38:23,592 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 52 [2021-05-21 15:38:24,190 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2021-05-21 15:38:24,777 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2021-05-21 15:38:25,449 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 15:38:26,291 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 15:38:27,171 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 15:38:28,880 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 69 [2021-05-21 15:38:31,385 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:38:31,744 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:38:32,162 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:38:35,195 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:38:38,960 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:38:42,213 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:38:45,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:38:45,512 INFO L93 Difference]: Finished difference Result 13443 states and 34525 transitions. [2021-05-21 15:38:45,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-21 15:38:45,513 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 15:38:45,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:38:45,528 INFO L225 Difference]: With dead ends: 13443 [2021-05-21 15:38:45,528 INFO L226 Difference]: Without dead ends: 13023 [2021-05-21 15:38:45,531 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4432 ImplicationChecksByTransitivity, 19823.3ms TimeCoverageRelationStatistics Valid=1563, Invalid=14949, Unknown=0, NotChecked=0, Total=16512 [2021-05-21 15:38:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13023 states. [2021-05-21 15:38:45,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13023 to 9438. [2021-05-21 15:38:45,649 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 15:38:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 15:38:45,662 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 15:38:45,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:38:45,663 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 15:38:45,663 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 15:38:45,663 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 15:38:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:38:45,670 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:38:45,670 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 15:38:45,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-05-21 15:38:45,670 INFO L430 AbstractCegarLoop]: === Iteration 19 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:38:45,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:38:45,671 INFO L82 PathProgramCache]: Analyzing trace with hash 868546213, now seen corresponding path program 3 times [2021-05-21 15:38:45,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:38:45,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365693598] [2021-05-21 15:38:45,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:38:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:38:46,374 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-05-21 15:38:46,681 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:38:47,026 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:38:47,505 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:38:48,494 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:38:51,053 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 15:38:51,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:38:51,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365693598] [2021-05-21 15:38:51,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365693598] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:38:51,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:38:51,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:38:51,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604883578] [2021-05-21 15:38:51,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:38:51,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:38:51,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:38:51,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2577, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:38:51,055 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 15:38:52,759 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:38:53,330 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:38:54,239 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:38:55,034 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 15:38:55,733 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2021-05-21 15:38:56,384 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2021-05-21 15:38:57,105 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 15:38:58,014 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 15:38:58,974 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 15:39:00,790 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 74 [2021-05-21 15:39:03,448 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:39:03,784 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:39:04,111 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:39:06,451 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:39:09,529 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:39:12,291 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:39:13,588 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:39:14,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:39:14,913 INFO L93 Difference]: Finished difference Result 13507 states and 34685 transitions. [2021-05-21 15:39:14,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-05-21 15:39:14,914 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 15:39:14,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:39:14,929 INFO L225 Difference]: With dead ends: 13507 [2021-05-21 15:39:14,929 INFO L226 Difference]: Without dead ends: 13087 [2021-05-21 15:39:14,931 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4594 ImplicationChecksByTransitivity, 19741.3ms TimeCoverageRelationStatistics Valid=1610, Invalid=15420, Unknown=0, NotChecked=0, Total=17030 [2021-05-21 15:39:14,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13087 states. [2021-05-21 15:39:15,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13087 to 9438. [2021-05-21 15:39:15,119 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 15:39:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 15:39:15,132 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 15:39:15,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:39:15,133 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 15:39:15,133 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 15:39:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 15:39:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:39:15,140 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:39:15,140 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 15:39:15,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-05-21 15:39:15,141 INFO L430 AbstractCegarLoop]: === Iteration 20 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:39:15,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:39:15,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1647526667, now seen corresponding path program 4 times [2021-05-21 15:39:15,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:39:15,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101821199] [2021-05-21 15:39:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:39:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:39:15,831 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:39:16,024 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:39:16,198 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:39:19,875 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 15:39:19,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:39:19,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101821199] [2021-05-21 15:39:19,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101821199] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:39:19,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:39:19,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:39:19,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436325735] [2021-05-21 15:39:19,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:39:19,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:39:19,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:39:19,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2578, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:39:19,877 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 15:39:21,660 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:39:22,253 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:39:23,168 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:39:23,748 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:39:24,543 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 15:39:25,369 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 15:39:26,119 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2021-05-21 15:39:26,903 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 15:39:27,856 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 15:39:28,856 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 15:39:30,605 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2021-05-21 15:39:32,889 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:39:33,205 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:39:33,555 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:39:35,933 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:39:39,111 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:39:41,713 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:39:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:39:43,153 INFO L93 Difference]: Finished difference Result 13491 states and 34649 transitions. [2021-05-21 15:39:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-21 15:39:43,154 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 15:39:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:39:43,167 INFO L225 Difference]: With dead ends: 13491 [2021-05-21 15:39:43,167 INFO L226 Difference]: Without dead ends: 13071 [2021-05-21 15:39:43,168 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4664 ImplicationChecksByTransitivity, 19327.4ms TimeCoverageRelationStatistics Valid=1641, Invalid=15651, Unknown=0, NotChecked=0, Total=17292 [2021-05-21 15:39:43,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13071 states. [2021-05-21 15:39:43,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13071 to 9438. [2021-05-21 15:39:43,281 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 15:39:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 15:39:43,295 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 15:39:43,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:39:43,295 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 15:39:43,295 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 15:39:43,295 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 15:39:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:39:43,303 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:39:43,304 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 15:39:43,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-05-21 15:39:43,304 INFO L430 AbstractCegarLoop]: === Iteration 21 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:39:43,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:39:43,304 INFO L82 PathProgramCache]: Analyzing trace with hash -276826587, now seen corresponding path program 5 times [2021-05-21 15:39:43,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:39:43,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275603730] [2021-05-21 15:39:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:39:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:39:43,999 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:39:44,211 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:39:44,399 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:39:45,472 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:39:48,385 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 15:39:48,385 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:39:48,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275603730] [2021-05-21 15:39:48,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275603730] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:39:48,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:39:48,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:39:48,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554622372] [2021-05-21 15:39:48,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:39:48,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:39:48,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:39:48,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=2580, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:39:48,387 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 15:39:50,558 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:39:51,176 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:39:52,128 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:39:52,733 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:39:53,381 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:39:54,256 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2021-05-21 15:39:55,146 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2021-05-21 15:39:55,915 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 15:39:57,240 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 15:39:58,156 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 15:39:59,128 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-05-21 15:40:00,205 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 15:40:01,230 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 83 [2021-05-21 15:40:02,411 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 15:40:03,684 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 81 [2021-05-21 15:40:08,387 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:40:08,811 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:40:09,287 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:40:12,926 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:40:15,082 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:40:17,170 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:40:19,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:40:19,117 INFO L93 Difference]: Finished difference Result 13595 states and 34905 transitions. [2021-05-21 15:40:19,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-05-21 15:40:19,117 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 15:40:19,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:40:19,132 INFO L225 Difference]: With dead ends: 13595 [2021-05-21 15:40:19,132 INFO L226 Difference]: Without dead ends: 13175 [2021-05-21 15:40:19,136 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5088 ImplicationChecksByTransitivity, 24095.0ms TimeCoverageRelationStatistics Valid=1767, Invalid=16865, Unknown=0, NotChecked=0, Total=18632 [2021-05-21 15:40:19,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13175 states. [2021-05-21 15:40:19,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13175 to 9438. [2021-05-21 15:40:19,266 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 15:40:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 24118 transitions. [2021-05-21 15:40:19,280 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 24118 transitions. Word has length 184 [2021-05-21 15:40:19,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:40:19,280 INFO L482 AbstractCegarLoop]: Abstraction has 9438 states and 24118 transitions. [2021-05-21 15:40:19,280 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 15:40:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 24118 transitions. [2021-05-21 15:40:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:40:19,289 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:40:19,289 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 15:40:19,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-05-21 15:40:19,290 INFO L430 AbstractCegarLoop]: === Iteration 22 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:40:19,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:40:19,290 INFO L82 PathProgramCache]: Analyzing trace with hash -410727541, now seen corresponding path program 6 times [2021-05-21 15:40:19,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:40:19,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140958841] [2021-05-21 15:40:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:40:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:40:20,124 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:40:20,331 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:40:20,552 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:40:21,978 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:40:25,406 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 15:40:25,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:40:25,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140958841] [2021-05-21 15:40:25,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140958841] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:40:25,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:40:25,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:40:25,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201653747] [2021-05-21 15:40:25,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:40:25,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:40:25,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:40:25,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2583, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:40:25,408 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 15:40:28,227 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:40:28,934 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:40:30,084 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:40:30,779 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:40:31,522 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:40:32,557 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:40:33,659 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:40:34,539 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 15:40:36,117 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 15:40:37,170 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 15:40:38,303 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2021-05-21 15:40:39,593 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 86 [2021-05-21 15:40:40,954 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-21 15:40:44,178 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:40:44,468 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:40:44,785 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:40:46,952 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:40:49,901 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:40:52,434 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:40:53,586 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:40:55,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:40:55,083 INFO L93 Difference]: Finished difference Result 13507 states and 34707 transitions. [2021-05-21 15:40:55,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-21 15:40:55,083 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 15:40:55,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:40:55,097 INFO L225 Difference]: With dead ends: 13507 [2021-05-21 15:40:55,098 INFO L226 Difference]: Without dead ends: 13087 [2021-05-21 15:40:55,099 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4810 ImplicationChecksByTransitivity, 24116.4ms TimeCoverageRelationStatistics Valid=1685, Invalid=16137, Unknown=0, NotChecked=0, Total=17822 [2021-05-21 15:40:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13087 states. [2021-05-21 15:40:55,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13087 to 9516. [2021-05-21 15:40:55,209 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 15:40:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9516 states to 9516 states and 24328 transitions. [2021-05-21 15:40:55,222 INFO L78 Accepts]: Start accepts. Automaton has 9516 states and 24328 transitions. Word has length 184 [2021-05-21 15:40:55,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:40:55,222 INFO L482 AbstractCegarLoop]: Abstraction has 9516 states and 24328 transitions. [2021-05-21 15:40:55,222 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 15:40:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 9516 states and 24328 transitions. [2021-05-21 15:40:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:40:55,229 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:40:55,229 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 15:40:55,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-05-21 15:40:55,230 INFO L430 AbstractCegarLoop]: === Iteration 23 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:40:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:40:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash 2715019, now seen corresponding path program 7 times [2021-05-21 15:40:55,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:40:55,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817117220] [2021-05-21 15:40:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:40:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:40:55,960 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:40:56,173 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:40:56,456 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:40:57,181 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 15:40:58,273 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:41:02,554 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 15:41:02,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:41:02,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817117220] [2021-05-21 15:41:02,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817117220] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:41:02,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:41:02,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:41:02,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595034925] [2021-05-21 15:41:02,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:41:02,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:41:02,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:41:02,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2585, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:41:02,556 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 15:41:05,707 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:41:06,562 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:41:07,145 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 44 [2021-05-21 15:41:07,875 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:41:08,670 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:41:09,484 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:41:10,580 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:41:11,058 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:41:11,460 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 15:41:12,398 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 15:41:12,913 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 15:41:13,439 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2021-05-21 15:41:14,228 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 86 [2021-05-21 15:41:15,072 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 84 [2021-05-21 15:41:17,973 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:41:18,235 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:41:18,530 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:41:20,553 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:41:23,174 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:41:25,583 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:41:26,685 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:41:27,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:41:27,803 INFO L93 Difference]: Finished difference Result 13477 states and 34651 transitions. [2021-05-21 15:41:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-05-21 15:41:27,804 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 15:41:27,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:41:27,818 INFO L225 Difference]: With dead ends: 13477 [2021-05-21 15:41:27,818 INFO L226 Difference]: Without dead ends: 13057 [2021-05-21 15:41:27,820 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5039 ImplicationChecksByTransitivity, 23179.9ms TimeCoverageRelationStatistics Valid=1717, Invalid=16915, Unknown=0, NotChecked=0, Total=18632 [2021-05-21 15:41:27,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13057 states. [2021-05-21 15:41:27,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13057 to 9529. [2021-05-21 15:41:27,936 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 15:41:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9529 states to 9529 states and 24363 transitions. [2021-05-21 15:41:27,949 INFO L78 Accepts]: Start accepts. Automaton has 9529 states and 24363 transitions. Word has length 184 [2021-05-21 15:41:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:41:27,950 INFO L482 AbstractCegarLoop]: Abstraction has 9529 states and 24363 transitions. [2021-05-21 15:41:27,950 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 15:41:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 9529 states and 24363 transitions. [2021-05-21 15:41:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:41:27,957 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:41:27,957 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 15:41:27,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-05-21 15:41:27,958 INFO L430 AbstractCegarLoop]: === Iteration 24 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:41:27,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:41:27,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1807828059, now seen corresponding path program 8 times [2021-05-21 15:41:27,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:41:27,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291222316] [2021-05-21 15:41:27,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:41:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:41:28,540 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-05-21 15:41:28,795 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:41:29,039 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:41:29,320 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:41:31,153 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:41:35,324 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2021-05-21 15:41:35,529 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 15:41:35,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:41:35,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291222316] [2021-05-21 15:41:35,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291222316] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:41:35,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:41:35,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:41:35,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828620855] [2021-05-21 15:41:35,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:41:35,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:41:35,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:41:35,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2585, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:41:35,531 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 15:41:37,381 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:41:38,093 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:41:38,569 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:41:39,090 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:41:39,797 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:41:40,532 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:41:41,172 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 15:41:42,429 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 15:41:43,244 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 15:41:44,100 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2021-05-21 15:41:45,137 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 86 [2021-05-21 15:41:46,283 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 84 [2021-05-21 15:41:50,182 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:41:50,506 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:41:50,860 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:41:53,392 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:41:56,716 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:41:59,636 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:42:01,030 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:42:02,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:42:02,544 INFO L93 Difference]: Finished difference Result 13453 states and 34597 transitions. [2021-05-21 15:42:02,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-05-21 15:42:02,544 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 15:42:02,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:42:02,558 INFO L225 Difference]: With dead ends: 13453 [2021-05-21 15:42:02,559 INFO L226 Difference]: Without dead ends: 13033 [2021-05-21 15:42:02,562 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5234 ImplicationChecksByTransitivity, 23306.8ms TimeCoverageRelationStatistics Valid=1740, Invalid=17442, Unknown=0, NotChecked=0, Total=19182 [2021-05-21 15:42:02,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13033 states. [2021-05-21 15:42:02,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13033 to 9542. [2021-05-21 15:42:02,691 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 15:42:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9542 states to 9542 states and 24398 transitions. [2021-05-21 15:42:02,705 INFO L78 Accepts]: Start accepts. Automaton has 9542 states and 24398 transitions. Word has length 184 [2021-05-21 15:42:02,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:42:02,705 INFO L482 AbstractCegarLoop]: Abstraction has 9542 states and 24398 transitions. [2021-05-21 15:42:02,705 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 15:42:02,705 INFO L276 IsEmpty]: Start isEmpty. Operand 9542 states and 24398 transitions. [2021-05-21 15:42:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:42:02,712 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:42:02,712 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 15:42:02,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-05-21 15:42:02,713 INFO L430 AbstractCegarLoop]: === Iteration 25 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:42:02,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:42:02,713 INFO L82 PathProgramCache]: Analyzing trace with hash -92526133, now seen corresponding path program 9 times [2021-05-21 15:42:02,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:42:02,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581958683] [2021-05-21 15:42:02,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:42:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:42:03,182 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-05-21 15:42:03,509 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:42:03,709 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:42:03,939 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:42:05,022 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:42:07,656 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 15:42:07,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:42:07,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581958683] [2021-05-21 15:42:07,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581958683] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:42:07,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:42:07,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:42:07,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727529021] [2021-05-21 15:42:07,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:42:07,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:42:07,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:42:07,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2572, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:42:07,658 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 15:42:09,570 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:42:10,168 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:42:11,089 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:42:11,671 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:42:12,285 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:42:13,136 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:42:14,010 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:42:14,766 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2021-05-21 15:42:16,145 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-05-21 15:42:17,085 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 59 [2021-05-21 15:42:18,079 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2021-05-21 15:42:19,275 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 86 [2021-05-21 15:42:20,541 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 84 [2021-05-21 15:42:25,689 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:42:26,100 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:42:26,570 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:42:29,806 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:42:33,593 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:42:36,178 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:42:36,997 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:42:37,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:42:37,627 INFO L93 Difference]: Finished difference Result 14681 states and 37799 transitions. [2021-05-21 15:42:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-05-21 15:42:37,628 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 15:42:37,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:42:37,643 INFO L225 Difference]: With dead ends: 14681 [2021-05-21 15:42:37,643 INFO L226 Difference]: Without dead ends: 14261 [2021-05-21 15:42:37,644 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5236 ImplicationChecksByTransitivity, 22512.6ms TimeCoverageRelationStatistics Valid=1827, Invalid=17355, Unknown=0, NotChecked=0, Total=19182 [2021-05-21 15:42:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14261 states. [2021-05-21 15:42:37,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14261 to 9646. [2021-05-21 15:42:37,762 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 15:42:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9646 states to 9646 states and 24678 transitions. [2021-05-21 15:42:37,776 INFO L78 Accepts]: Start accepts. Automaton has 9646 states and 24678 transitions. Word has length 184 [2021-05-21 15:42:37,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:42:37,776 INFO L482 AbstractCegarLoop]: Abstraction has 9646 states and 24678 transitions. [2021-05-21 15:42:37,776 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 15:42:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 9646 states and 24678 transitions. [2021-05-21 15:42:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:42:37,784 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:42:37,784 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 15:42:37,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-05-21 15:42:37,784 INFO L430 AbstractCegarLoop]: === Iteration 26 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:42:37,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:42:37,785 INFO L82 PathProgramCache]: Analyzing trace with hash 787291659, now seen corresponding path program 10 times [2021-05-21 15:42:37,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:42:37,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699761973] [2021-05-21 15:42:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:42:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:42:38,460 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:42:38,620 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:42:38,801 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:42:39,861 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:42:42,762 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 15:42:42,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:42:42,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699761973] [2021-05-21 15:42:42,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699761973] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:42:42,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:42:42,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:42:42,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427861246] [2021-05-21 15:42:42,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:42:42,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:42:42,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:42:42,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2555, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:42:42,764 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 15:42:44,960 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:42:45,572 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:42:46,547 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:42:47,156 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:42:47,802 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:42:48,682 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:42:49,608 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:42:50,361 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 52 [2021-05-21 15:42:51,741 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 56 [2021-05-21 15:42:52,699 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2021-05-21 15:42:53,714 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 61 [2021-05-21 15:42:54,903 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 86 [2021-05-21 15:42:56,133 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 84 [2021-05-21 15:43:01,342 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:43:01,759 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:43:02,151 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:43:05,496 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:43:07,922 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:43:10,105 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:43:12,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:43:12,137 INFO L93 Difference]: Finished difference Result 14609 states and 37563 transitions. [2021-05-21 15:43:12,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-05-21 15:43:12,138 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 15:43:12,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:43:12,152 INFO L225 Difference]: With dead ends: 14609 [2021-05-21 15:43:12,153 INFO L226 Difference]: Without dead ends: 14189 [2021-05-21 15:43:12,154 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5310 ImplicationChecksByTransitivity, 22236.1ms TimeCoverageRelationStatistics Valid=1936, Invalid=17246, Unknown=0, NotChecked=0, Total=19182 [2021-05-21 15:43:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14189 states. [2021-05-21 15:43:12,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14189 to 9659. [2021-05-21 15:43:12,273 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 15:43:12,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9659 states to 9659 states and 24713 transitions. [2021-05-21 15:43:12,286 INFO L78 Accepts]: Start accepts. Automaton has 9659 states and 24713 transitions. Word has length 184 [2021-05-21 15:43:12,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:43:12,286 INFO L482 AbstractCegarLoop]: Abstraction has 9659 states and 24713 transitions. [2021-05-21 15:43:12,287 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 15:43:12,287 INFO L276 IsEmpty]: Start isEmpty. Operand 9659 states and 24713 transitions. [2021-05-21 15:43:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:43:12,294 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:43:12,294 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 15:43:12,294 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-05-21 15:43:12,294 INFO L430 AbstractCegarLoop]: === Iteration 27 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:43:12,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:43:12,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1611136987, now seen corresponding path program 11 times [2021-05-21 15:43:12,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:43:12,295 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554427912] [2021-05-21 15:43:12,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:43:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:43:12,968 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:43:13,146 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:43:13,353 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:43:14,737 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:43:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 15:43:18,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:43:18,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554427912] [2021-05-21 15:43:18,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554427912] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:43:18,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:43:18,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:43:18,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846243599] [2021-05-21 15:43:18,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:43:18,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:43:18,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:43:18,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2559, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:43:18,338 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 15:43:20,826 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:43:21,545 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:43:22,177 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:43:22,808 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:43:23,491 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:43:24,447 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:43:25,410 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:43:29,388 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:43:29,713 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:43:30,024 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:43:30,415 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-05-21 15:43:31,820 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:43:33,991 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:43:35,940 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:43:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:43:37,635 INFO L93 Difference]: Finished difference Result 14313 states and 36777 transitions. [2021-05-21 15:43:37,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-21 15:43:37,635 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 15:43:37,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:43:37,650 INFO L225 Difference]: With dead ends: 14313 [2021-05-21 15:43:37,650 INFO L226 Difference]: Without dead ends: 13893 [2021-05-21 15:43:37,651 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4466 ImplicationChecksByTransitivity, 18010.1ms TimeCoverageRelationStatistics Valid=1592, Invalid=14920, Unknown=0, NotChecked=0, Total=16512 [2021-05-21 15:43:37,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13893 states. [2021-05-21 15:43:37,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13893 to 9698. [2021-05-21 15:43:37,771 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 15:43:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 24818 transitions. [2021-05-21 15:43:37,784 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 24818 transitions. Word has length 184 [2021-05-21 15:43:37,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:43:37,785 INFO L482 AbstractCegarLoop]: Abstraction has 9698 states and 24818 transitions. [2021-05-21 15:43:37,785 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 15:43:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 24818 transitions. [2021-05-21 15:43:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:43:37,795 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:43:37,795 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 15:43:37,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-05-21 15:43:37,796 INFO L430 AbstractCegarLoop]: === Iteration 28 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:43:37,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:43:37,796 INFO L82 PathProgramCache]: Analyzing trace with hash 481639115, now seen corresponding path program 12 times [2021-05-21 15:43:37,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:43:37,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620480621] [2021-05-21 15:43:37,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:43:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:43:38,464 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:43:38,627 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:43:38,818 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:43:40,080 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:43:43,340 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 15:43:43,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:43:43,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620480621] [2021-05-21 15:43:43,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620480621] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:43:43,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:43:43,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:43:43,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212662363] [2021-05-21 15:43:43,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:43:43,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:43:43,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:43:43,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2559, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:43:43,341 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 15:43:45,384 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:43:45,999 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:43:46,538 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:43:47,083 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:43:47,685 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:43:48,540 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:43:49,413 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:43:53,358 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:43:53,694 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:43:54,033 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:43:55,669 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:43:57,689 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:43:59,525 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:44:00,332 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:44:01,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:44:01,030 INFO L93 Difference]: Finished difference Result 14281 states and 36705 transitions. [2021-05-21 15:44:01,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-21 15:44:01,030 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 15:44:01,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:44:01,045 INFO L225 Difference]: With dead ends: 14281 [2021-05-21 15:44:01,045 INFO L226 Difference]: Without dead ends: 13861 [2021-05-21 15:44:01,046 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4464 ImplicationChecksByTransitivity, 16562.9ms TimeCoverageRelationStatistics Valid=1592, Invalid=14920, Unknown=0, NotChecked=0, Total=16512 [2021-05-21 15:44:01,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13861 states. [2021-05-21 15:44:01,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13861 to 9711. [2021-05-21 15:44:01,161 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 15:44:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9711 states to 9711 states and 24853 transitions. [2021-05-21 15:44:01,175 INFO L78 Accepts]: Start accepts. Automaton has 9711 states and 24853 transitions. Word has length 184 [2021-05-21 15:44:01,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:44:01,175 INFO L482 AbstractCegarLoop]: Abstraction has 9711 states and 24853 transitions. [2021-05-21 15:44:01,175 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 15:44:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 9711 states and 24853 transitions. [2021-05-21 15:44:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:44:01,182 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:44:01,182 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 15:44:01,182 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-21 15:44:01,182 INFO L430 AbstractCegarLoop]: === Iteration 29 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:44:01,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:44:01,183 INFO L82 PathProgramCache]: Analyzing trace with hash 317652773, now seen corresponding path program 13 times [2021-05-21 15:44:01,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:44:01,183 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089511228] [2021-05-21 15:44:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:44:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:44:01,863 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:44:02,077 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:44:02,262 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:44:03,507 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:44:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 15:44:06,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:44:06,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089511228] [2021-05-21 15:44:06,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089511228] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:44:06,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:44:06,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:44:06,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852909282] [2021-05-21 15:44:06,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:44:06,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:44:06,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:44:06,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2559, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:44:06,743 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 15:44:08,877 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:44:09,495 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:44:10,035 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:44:10,585 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:44:11,186 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:44:12,038 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:44:12,898 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:44:16,240 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 15:44:17,445 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-05-21 15:44:17,704 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:44:17,908 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:44:19,616 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:44:21,849 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:44:23,864 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:44:24,725 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:44:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:44:25,610 INFO L93 Difference]: Finished difference Result 13833 states and 35557 transitions. [2021-05-21 15:44:25,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-05-21 15:44:25,610 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 15:44:25,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:44:25,624 INFO L225 Difference]: With dead ends: 13833 [2021-05-21 15:44:25,625 INFO L226 Difference]: Without dead ends: 13413 [2021-05-21 15:44:25,626 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4383 ImplicationChecksByTransitivity, 16617.9ms TimeCoverageRelationStatistics Valid=1562, Invalid=14694, Unknown=0, NotChecked=0, Total=16256 [2021-05-21 15:44:25,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13413 states. [2021-05-21 15:44:25,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13413 to 9724. [2021-05-21 15:44:25,743 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 15:44:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9724 states to 9724 states and 24888 transitions. [2021-05-21 15:44:25,758 INFO L78 Accepts]: Start accepts. Automaton has 9724 states and 24888 transitions. Word has length 184 [2021-05-21 15:44:25,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:44:25,758 INFO L482 AbstractCegarLoop]: Abstraction has 9724 states and 24888 transitions. [2021-05-21 15:44:25,758 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 15:44:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 9724 states and 24888 transitions. [2021-05-21 15:44:25,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:44:25,765 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:44:25,766 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 15:44:25,766 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-05-21 15:44:25,766 INFO L430 AbstractCegarLoop]: === Iteration 30 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:44:25,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:44:25,766 INFO L82 PathProgramCache]: Analyzing trace with hash 421691335, now seen corresponding path program 14 times [2021-05-21 15:44:25,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:44:25,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172810262] [2021-05-21 15:44:25,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:44:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:44:26,473 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:44:26,662 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:44:26,854 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:44:28,110 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:44:31,373 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 15:44:31,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:44:31,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172810262] [2021-05-21 15:44:31,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172810262] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:44:31,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:44:31,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:44:31,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163064081] [2021-05-21 15:44:31,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:44:31,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:44:31,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:44:31,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2554, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:44:31,375 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 15:44:33,807 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:44:34,471 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:44:35,056 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:44:35,658 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:44:36,318 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:44:37,214 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:44:38,127 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:44:41,457 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 15:44:41,721 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 15:44:42,790 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:44:44,471 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:44:46,640 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:44:48,533 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-05-21 15:44:48,756 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:44:49,659 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:44:50,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:44:50,628 INFO L93 Difference]: Finished difference Result 13801 states and 35485 transitions. [2021-05-21 15:44:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-21 15:44:50,628 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 15:44:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:44:50,642 INFO L225 Difference]: With dead ends: 13801 [2021-05-21 15:44:50,643 INFO L226 Difference]: Without dead ends: 13381 [2021-05-21 15:44:50,644 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4445 ImplicationChecksByTransitivity, 17401.0ms TimeCoverageRelationStatistics Valid=1593, Invalid=14919, Unknown=0, NotChecked=0, Total=16512 [2021-05-21 15:44:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13381 states. [2021-05-21 15:44:50,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13381 to 9854. [2021-05-21 15:44:50,759 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 15:44:50,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9854 states to 9854 states and 25238 transitions. [2021-05-21 15:44:50,773 INFO L78 Accepts]: Start accepts. Automaton has 9854 states and 25238 transitions. Word has length 184 [2021-05-21 15:44:50,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:44:50,773 INFO L482 AbstractCegarLoop]: Abstraction has 9854 states and 25238 transitions. [2021-05-21 15:44:50,773 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 15:44:50,773 INFO L276 IsEmpty]: Start isEmpty. Operand 9854 states and 25238 transitions. [2021-05-21 15:44:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:44:50,781 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:44:50,781 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 15:44:50,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-05-21 15:44:50,781 INFO L430 AbstractCegarLoop]: === Iteration 31 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:44:50,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:44:50,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1697699831, now seen corresponding path program 15 times [2021-05-21 15:44:50,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:44:50,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370209091] [2021-05-21 15:44:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:44:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:44:51,520 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:44:51,753 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:44:51,978 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:44:53,436 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:44:56,983 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 15:44:56,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:44:56,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370209091] [2021-05-21 15:44:56,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370209091] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:44:56,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:44:56,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:44:56,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455804040] [2021-05-21 15:44:56,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:44:56,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:44:56,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:44:56,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2555, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:44:56,985 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 15:44:59,390 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:45:00,045 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:45:00,623 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:45:01,204 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:45:01,852 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:45:02,795 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:45:03,753 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:45:07,158 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 15:45:07,426 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 15:45:08,553 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:45:10,663 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:45:12,757 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:45:14,837 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:45:15,815 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:45:16,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:45:16,565 INFO L93 Difference]: Finished difference Result 15755 states and 40499 transitions. [2021-05-21 15:45:16,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-05-21 15:45:16,565 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 15:45:16,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:45:16,582 INFO L225 Difference]: With dead ends: 15755 [2021-05-21 15:45:16,582 INFO L226 Difference]: Without dead ends: 15335 [2021-05-21 15:45:16,584 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4620 ImplicationChecksByTransitivity, 18307.4ms TimeCoverageRelationStatistics Valid=1626, Invalid=15404, Unknown=0, NotChecked=0, Total=17030 [2021-05-21 15:45:16,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15335 states. [2021-05-21 15:45:16,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15335 to 9958. [2021-05-21 15:45:16,718 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 15:45:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 25531 transitions. [2021-05-21 15:45:16,733 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 25531 transitions. Word has length 184 [2021-05-21 15:45:16,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:45:16,733 INFO L482 AbstractCegarLoop]: Abstraction has 9958 states and 25531 transitions. [2021-05-21 15:45:16,733 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 15:45:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 25531 transitions. [2021-05-21 15:45:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:45:16,741 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:45:16,741 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 15:45:16,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-05-21 15:45:16,741 INFO L430 AbstractCegarLoop]: === Iteration 32 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:45:16,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:45:16,741 INFO L82 PathProgramCache]: Analyzing trace with hash -2078488249, now seen corresponding path program 16 times [2021-05-21 15:45:16,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:45:16,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965220946] [2021-05-21 15:45:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:45:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:45:17,441 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:45:17,685 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:45:17,931 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:45:19,266 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:45:22,698 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 15:45:22,699 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:45:22,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965220946] [2021-05-21 15:45:22,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965220946] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:45:22,699 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:45:22,699 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:45:22,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59699471] [2021-05-21 15:45:22,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:45:22,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:45:22,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:45:22,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=2558, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:45:22,700 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 15:45:25,438 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:45:26,145 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:45:26,737 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:45:27,347 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:45:28,013 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:45:28,946 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:45:29,872 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:45:32,735 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 15:45:33,027 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 15:45:34,308 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:45:37,216 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:45:40,103 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:45:42,865 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:45:45,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:45:45,545 INFO L93 Difference]: Finished difference Result 15667 states and 40285 transitions. [2021-05-21 15:45:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-21 15:45:45,545 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 15:45:45,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:45:45,562 INFO L225 Difference]: With dead ends: 15667 [2021-05-21 15:45:45,562 INFO L226 Difference]: Without dead ends: 15247 [2021-05-21 15:45:45,564 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4701 ImplicationChecksByTransitivity, 18370.5ms TimeCoverageRelationStatistics Valid=1638, Invalid=15654, Unknown=0, NotChecked=0, Total=17292 [2021-05-21 15:45:45,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15247 states. [2021-05-21 15:45:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15247 to 9997. [2021-05-21 15:45:45,703 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 15:45:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9997 states to 9997 states and 25636 transitions. [2021-05-21 15:45:45,718 INFO L78 Accepts]: Start accepts. Automaton has 9997 states and 25636 transitions. Word has length 184 [2021-05-21 15:45:45,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:45:45,718 INFO L482 AbstractCegarLoop]: Abstraction has 9997 states and 25636 transitions. [2021-05-21 15:45:45,718 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 15:45:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 9997 states and 25636 transitions. [2021-05-21 15:45:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:45:45,726 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:45:45,727 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 15:45:45,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-05-21 15:45:45,727 INFO L430 AbstractCegarLoop]: === Iteration 33 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:45:45,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:45:45,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1942160421, now seen corresponding path program 17 times [2021-05-21 15:45:45,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:45:45,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049769928] [2021-05-21 15:45:45,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:45:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:45:46,432 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:45:46,651 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:45:46,903 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:45:48,746 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:45:53,072 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 15:45:53,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:45:53,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049769928] [2021-05-21 15:45:53,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049769928] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:45:53,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:45:53,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:45:53,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115285749] [2021-05-21 15:45:53,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:45:53,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:45:53,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:45:53,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2560, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:45:53,074 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 15:45:56,753 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:45:57,622 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:45:58,341 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:45:59,004 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:45:59,298 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:45:59,795 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:46:00,301 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:46:02,778 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 15:46:03,084 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 15:46:04,501 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:46:08,012 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:46:11,241 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:46:14,265 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:46:15,604 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:46:17,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:46:17,246 INFO L93 Difference]: Finished difference Result 15627 states and 40195 transitions. [2021-05-21 15:46:17,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-05-21 15:46:17,247 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 15:46:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:46:17,264 INFO L225 Difference]: With dead ends: 15627 [2021-05-21 15:46:17,264 INFO L226 Difference]: Without dead ends: 15207 [2021-05-21 15:46:17,266 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4787 ImplicationChecksByTransitivity, 19598.6ms TimeCoverageRelationStatistics Valid=1653, Invalid=15903, Unknown=0, NotChecked=0, Total=17556 [2021-05-21 15:46:17,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15207 states. [2021-05-21 15:46:17,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15207 to 10023. [2021-05-21 15:46:17,396 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 15:46:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10023 states to 10023 states and 25706 transitions. [2021-05-21 15:46:17,410 INFO L78 Accepts]: Start accepts. Automaton has 10023 states and 25706 transitions. Word has length 184 [2021-05-21 15:46:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:46:17,410 INFO L482 AbstractCegarLoop]: Abstraction has 10023 states and 25706 transitions. [2021-05-21 15:46:17,411 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 15:46:17,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10023 states and 25706 transitions. [2021-05-21 15:46:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:46:17,418 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:46:17,418 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 15:46:17,419 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-05-21 15:46:17,419 INFO L430 AbstractCegarLoop]: === Iteration 34 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:46:17,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:46:17,419 INFO L82 PathProgramCache]: Analyzing trace with hash 956827493, now seen corresponding path program 18 times [2021-05-21 15:46:17,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:46:17,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609910168] [2021-05-21 15:46:17,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:46:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:46:18,179 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:46:18,434 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:46:18,725 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:46:19,493 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 15:46:20,750 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-05-21 15:46:25,517 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-05-21 15:46:25,519 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 15:46:25,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:46:25,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609910168] [2021-05-21 15:46:25,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609910168] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:46:25,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:46:25,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:46:25,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822348950] [2021-05-21 15:46:25,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:46:25,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:46:25,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:46:25,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2568, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:46:25,520 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 15:46:27,291 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:46:27,683 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:46:28,097 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:46:28,573 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:46:29,222 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 81 [2021-05-21 15:46:29,878 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 79 [2021-05-21 15:46:32,848 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-05-21 15:46:38,583 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-05-21 15:46:42,353 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2021-05-21 15:46:42,909 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-05-21 15:46:44,314 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2021-05-21 15:46:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:46:49,416 INFO L93 Difference]: Finished difference Result 15649 states and 40255 transitions. [2021-05-21 15:46:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-05-21 15:46:49,416 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 15:46:49,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:46:49,433 INFO L225 Difference]: With dead ends: 15649 [2021-05-21 15:46:49,433 INFO L226 Difference]: Without dead ends: 15229 [2021-05-21 15:46:49,434 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4984 ImplicationChecksByTransitivity, 19154.7ms TimeCoverageRelationStatistics Valid=1683, Invalid=16677, Unknown=0, NotChecked=0, Total=18360 [2021-05-21 15:46:49,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15229 states. [2021-05-21 15:46:49,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15229 to 10036. [2021-05-21 15:46:49,567 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 15:46:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10036 states to 10036 states and 25741 transitions. [2021-05-21 15:46:49,581 INFO L78 Accepts]: Start accepts. Automaton has 10036 states and 25741 transitions. Word has length 184 [2021-05-21 15:46:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:46:49,582 INFO L482 AbstractCegarLoop]: Abstraction has 10036 states and 25741 transitions. [2021-05-21 15:46:49,582 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 15:46:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 10036 states and 25741 transitions. [2021-05-21 15:46:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:46:49,589 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:46:49,590 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 15:46:49,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-05-21 15:46:49,590 INFO L430 AbstractCegarLoop]: === Iteration 35 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:46:49,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:46:49,590 INFO L82 PathProgramCache]: Analyzing trace with hash 913127371, now seen corresponding path program 19 times [2021-05-21 15:46:49,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:46:49,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522565089] [2021-05-21 15:46:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:46:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:46:50,417 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:46:50,715 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:46:51,051 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:46:51,362 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-05-21 15:46:52,077 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-05-21 15:46:55,074 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 15:46:55,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:46:55,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522565089] [2021-05-21 15:46:55,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522565089] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:46:55,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:46:55,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:46:55,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555051240] [2021-05-21 15:46:55,075 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:46:55,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:46:55,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:46:55,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2566, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:46:55,076 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 15:46:57,063 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:46:57,513 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:46:57,981 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:46:58,502 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:46:59,229 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:46:59,972 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:47:02,562 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 15:47:02,863 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 15:47:03,136 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-05-21 15:47:04,188 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:47:06,079 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2021-05-21 15:47:08,126 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:47:10,916 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:47:13,403 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:47:14,550 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:47:15,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:47:15,478 INFO L93 Difference]: Finished difference Result 16779 states and 43195 transitions. [2021-05-21 15:47:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-05-21 15:47:15,478 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 15:47:15,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:47:15,496 INFO L225 Difference]: With dead ends: 16779 [2021-05-21 15:47:15,497 INFO L226 Difference]: Without dead ends: 16359 [2021-05-21 15:47:15,499 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5046 ImplicationChecksByTransitivity, 17530.4ms TimeCoverageRelationStatistics Valid=1711, Invalid=16649, Unknown=0, NotChecked=0, Total=18360 [2021-05-21 15:47:15,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16359 states. [2021-05-21 15:47:15,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16359 to 10348. [2021-05-21 15:47:15,637 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 15:47:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10348 states to 10348 states and 26581 transitions. [2021-05-21 15:47:15,651 INFO L78 Accepts]: Start accepts. Automaton has 10348 states and 26581 transitions. Word has length 184 [2021-05-21 15:47:15,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:47:15,652 INFO L482 AbstractCegarLoop]: Abstraction has 10348 states and 26581 transitions. [2021-05-21 15:47:15,652 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 15:47:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 10348 states and 26581 transitions. [2021-05-21 15:47:15,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:47:15,659 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:47:15,660 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 15:47:15,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-05-21 15:47:15,660 INFO L430 AbstractCegarLoop]: === Iteration 36 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:47:15,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:47:15,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1490581689, now seen corresponding path program 20 times [2021-05-21 15:47:15,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:47:15,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653303922] [2021-05-21 15:47:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:47:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 15:47:16,328 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-05-21 15:47:16,476 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-05-21 15:47:16,650 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-05-21 15:47:20,156 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 15:47:20,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 15:47:20,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653303922] [2021-05-21 15:47:20,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653303922] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 15:47:20,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 15:47:20,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-21 15:47:20,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964394638] [2021-05-21 15:47:20,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-21 15:47:20,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 15:47:20,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-21 15:47:20,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2555, Unknown=0, NotChecked=0, Total=2756 [2021-05-21 15:47:20,158 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 15:47:21,977 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2021-05-21 15:47:22,541 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2021-05-21 15:47:23,042 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-05-21 15:47:23,548 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-05-21 15:47:24,109 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-05-21 15:47:24,890 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-05-21 15:47:25,682 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-05-21 15:47:28,544 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-05-21 15:47:28,876 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-05-21 15:47:29,893 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-05-21 15:47:30,149 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-05-21 15:47:31,508 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 71 [2021-05-21 15:47:32,802 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-05-21 15:47:36,270 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-05-21 15:47:39,213 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-05-21 15:47:40,429 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-05-21 15:47:41,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 15:47:41,519 INFO L93 Difference]: Finished difference Result 14763 states and 38063 transitions. [2021-05-21 15:47:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-21 15:47:41,519 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 15:47:41,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 15:47:41,532 INFO L225 Difference]: With dead ends: 14763 [2021-05-21 15:47:41,532 INFO L226 Difference]: Without dead ends: 14343 [2021-05-21 15:47:41,533 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4551 ImplicationChecksByTransitivity, 16209.3ms TimeCoverageRelationStatistics Valid=1614, Invalid=15156, Unknown=0, NotChecked=0, Total=16770 [2021-05-21 15:47:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14343 states. [2021-05-21 15:47:41,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14343 to 10348. [2021-05-21 15:47:41,646 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 15:47:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10348 states to 10348 states and 26581 transitions. [2021-05-21 15:47:41,661 INFO L78 Accepts]: Start accepts. Automaton has 10348 states and 26581 transitions. Word has length 184 [2021-05-21 15:47:41,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 15:47:41,661 INFO L482 AbstractCegarLoop]: Abstraction has 10348 states and 26581 transitions. [2021-05-21 15:47:41,661 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 15:47:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 10348 states and 26581 transitions. [2021-05-21 15:47:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-05-21 15:47:41,669 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 15:47:41,669 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 15:47:41,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-05-21 15:47:41,669 INFO L430 AbstractCegarLoop]: === Iteration 37 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 15:47:41,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 15:47:41,670 INFO L82 PathProgramCache]: Analyzing trace with hash 473197579, now seen corresponding path program 21 times [2021-05-21 15:47:41,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 15:47:41,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983537451] [2021-05-21 15:47:41,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 15:47:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-05-21 15:50:03,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,293 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,293 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,294 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,294 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,295 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,295 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,298 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,298 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,299 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,299 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,299 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,300 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,300 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,300 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,301 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,301 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,308 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,309 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,309 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,312 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-05-21 15:50:03,314 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-05-21 15:50:03,314 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-21 15:50:03,316 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 15:50:03,319 WARN L196 ceAbstractionStarter]: Timeout [2021-05-21 15:50:03,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 03:50:03 BasicIcfg [2021-05-21 15:50:03,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 15:50:03,319 INFO L168 Benchmark]: Toolchain (without parser) took 776439.29 ms. Allocated memory was 343.9 MB in the beginning and 6.3 GB in the end (delta: 6.0 GB). Free memory was 306.4 MB in the beginning and 4.2 GB in the end (delta: -3.9 GB). Peak memory consumption was 4.9 GB. Max. memory is 16.0 GB. [2021-05-21 15:50:03,319 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 343.9 MB. Free memory was 324.7 MB in the beginning and 324.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 15:50:03,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.24 ms. Allocated memory is still 343.9 MB. Free memory was 306.2 MB in the beginning and 278.5 MB in the end (delta: 27.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.0 GB. [2021-05-21 15:50:03,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.16 ms. Allocated memory is still 343.9 MB. Free memory was 278.5 MB in the beginning and 276.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 15:50:03,320 INFO L168 Benchmark]: Boogie Preprocessor took 51.51 ms. Allocated memory is still 343.9 MB. Free memory was 276.2 MB in the beginning and 273.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-05-21 15:50:03,320 INFO L168 Benchmark]: RCFGBuilder took 706.07 ms. Allocated memory is still 343.9 MB. Free memory was 273.1 MB in the beginning and 224.9 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-05-21 15:50:03,320 INFO L168 Benchmark]: TraceAbstraction took 775004.00 ms. Allocated memory was 343.9 MB in the beginning and 6.3 GB in the end (delta: 6.0 GB). Free memory was 224.9 MB in the beginning and 4.2 GB in the end (delta: -4.0 GB). Peak memory consumption was 4.8 GB. Max. memory is 16.0 GB. [2021-05-21 15:50:03,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 343.9 MB. Free memory was 324.7 MB in the beginning and 324.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 599.24 ms. Allocated memory is still 343.9 MB. Free memory was 306.2 MB in the beginning and 278.5 MB in the end (delta: 27.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.16 ms. Allocated memory is still 343.9 MB. Free memory was 278.5 MB in the beginning and 276.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 51.51 ms. Allocated memory is still 343.9 MB. Free memory was 276.2 MB in the beginning and 273.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 706.07 ms. Allocated memory is still 343.9 MB. Free memory was 273.1 MB in the beginning and 224.9 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 775004.00 ms. Allocated memory was 343.9 MB in the beginning and 6.3 GB in the end (delta: 6.0 GB). Free memory was 224.9 MB in the beginning and 4.2 GB in the end (delta: -4.0 GB). Peak memory consumption was 4.8 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: 774768.5ms, OverallIterations: 37, TraceHistogramMax: 1, EmptinessCheckTime: 392.0ms, AutomataDifference: 495411.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1343.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 14701 SDtfs, 78090 SDslu, 297609 SDs, 0 SdLazy, 145582 SolverSat, 4184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 175557.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3778 GetRequests, 531 SyntacticMatches, 129 SemanticMatches, 3118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100422 ImplicationChecksByTransitivity, 412795.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=23654occurred in iteration=0, InterpolantAutomatonStates: 1948, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8655.7ms AutomataMinimizationTime, 36 MinimizatonAttempts, 105515 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 117.7ms SsaConstructionTime, 933.2ms SatisfiabilityAnalysisTime, 125793.7ms 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown