/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 18:47:03,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 18:47:03,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 18:47:03,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 18:47:03,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 18:47:03,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 18:47:03,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 18:47:03,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 18:47:03,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 18:47:03,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 18:47:03,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 18:47:03,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 18:47:03,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 18:47:03,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 18:47:03,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 18:47:03,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 18:47:03,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 18:47:03,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 18:47:03,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 18:47:03,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 18:47:03,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 18:47:03,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 18:47:03,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 18:47:03,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 18:47:03,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 18:47:03,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 18:47:03,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 18:47:03,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 18:47:03,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 18:47:03,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 18:47:03,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 18:47:03,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 18:47:03,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 18:47:03,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 18:47:03,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 18:47:03,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 18:47:03,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 18:47:03,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 18:47:03,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 18:47:03,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 18:47:03,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 18:47:03,682 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-SemanticLbe.epf [2020-04-17 18:47:03,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 18:47:03,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 18:47:03,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 18:47:03,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 18:47:03,722 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 18:47:03,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 18:47:03,723 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 18:47:03,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 18:47:03,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 18:47:03,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 18:47:03,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 18:47:03,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 18:47:03,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 18:47:03,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 18:47:03,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 18:47:03,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 18:47:03,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 18:47:03,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 18:47:03,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 18:47:03,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 18:47:03,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 18:47:03,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 18:47:03,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 18:47:03,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 18:47:03,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 18:47:03,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 18:47:03,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 18:47:03,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 18:47:03,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 18:47:04,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 18:47:04,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 18:47:04,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 18:47:04,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 18:47:04,072 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 18:47:04,072 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2020-04-17 18:47:04,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e00a159/2958e8e53845443cae05e4c6a9c6a9ae/FLAG645e10bfd [2020-04-17 18:47:04,711 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 18:47:04,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2020-04-17 18:47:04,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e00a159/2958e8e53845443cae05e4c6a9c6a9ae/FLAG645e10bfd [2020-04-17 18:47:05,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e00a159/2958e8e53845443cae05e4c6a9c6a9ae [2020-04-17 18:47:05,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 18:47:05,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 18:47:05,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 18:47:05,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 18:47:05,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 18:47:05,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6ac805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05, skipping insertion in model container [2020-04-17 18:47:05,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 18:47:05,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 18:47:05,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:47:05,641 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 18:47:05,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:47:05,821 INFO L208 MainTranslator]: Completed translation [2020-04-17 18:47:05,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05 WrapperNode [2020-04-17 18:47:05,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 18:47:05,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 18:47:05,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 18:47:05,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 18:47:05,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 18:47:05,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 18:47:05,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 18:47:05,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 18:47:05,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (1/1) ... [2020-04-17 18:47:05,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 18:47:05,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 18:47:05,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 18:47:05,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 18:47:05,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (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 [2020-04-17 18:47:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 18:47:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-17 18:47:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-17 18:47:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 18:47:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 18:47:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 18:47:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 18:47:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 18:47:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 18:47:06,052 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 18:47:06,606 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 18:47:06,606 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-04-17 18:47:06,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:47:06 BoogieIcfgContainer [2020-04-17 18:47:06,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 18:47:06,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 18:47:06,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 18:47:06,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 18:47:06,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 06:47:05" (1/3) ... [2020-04-17 18:47:06,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d58f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:47:06, skipping insertion in model container [2020-04-17 18:47:06,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:47:05" (2/3) ... [2020-04-17 18:47:06,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d58f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:47:06, skipping insertion in model container [2020-04-17 18:47:06,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:47:06" (3/3) ... [2020-04-17 18:47:06,617 INFO L109 eAbstractionObserver]: Analyzing ICFG 02_inc_cas.i [2020-04-17 18:47:06,627 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 18:47:06,627 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 18:47:06,636 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-17 18:47:06,637 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 18:47:06,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,660 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,660 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,661 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,661 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,661 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,661 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,661 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,662 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,663 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,663 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,663 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,664 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,665 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,665 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,666 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,666 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,666 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,666 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,666 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,666 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,667 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,667 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,667 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,667 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,667 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,667 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,668 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,668 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,668 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,668 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,668 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,670 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,672 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,672 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,673 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,673 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,673 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,673 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,673 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,674 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,674 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,674 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,674 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,675 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,679 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,680 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,680 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,680 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,680 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,681 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,681 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,681 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,681 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,681 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,682 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,682 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,682 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,682 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,683 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,683 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,683 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,684 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,684 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,684 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,685 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,685 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:06,701 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-17 18:47:06,721 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:47:06,721 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:47:06,721 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:47:06,722 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:47:06,722 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:47:06,722 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:47:06,722 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:47:06,722 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:47:06,735 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 50 transitions, 105 flow [2020-04-17 18:47:06,737 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 48 places, 50 transitions, 105 flow [2020-04-17 18:47:06,772 INFO L129 PetriNetUnfolder]: 6/58 cut-off events. [2020-04-17 18:47:06,772 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 18:47:06,777 INFO L80 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 58 events. 6/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 99 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 40. Up to 4 conditions per place. [2020-04-17 18:47:06,779 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 48 places, 50 transitions, 105 flow [2020-04-17 18:47:06,795 INFO L129 PetriNetUnfolder]: 6/58 cut-off events. [2020-04-17 18:47:06,795 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 18:47:06,796 INFO L80 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 58 events. 6/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 99 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 40. Up to 4 conditions per place. [2020-04-17 18:47:06,798 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 620 [2020-04-17 18:47:06,799 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:47:07,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:07,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:07,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:07,803 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-04-17 18:47:07,902 INFO L206 etLargeBlockEncoding]: Checked pairs total: 528 [2020-04-17 18:47:07,902 INFO L214 etLargeBlockEncoding]: Total number of compositions: 42 [2020-04-17 18:47:07,907 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 16 transitions, 37 flow [2020-04-17 18:47:07,919 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-04-17 18:47:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-04-17 18:47:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 18:47:07,940 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:07,941 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 18:47:07,942 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:47:07,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:07,948 INFO L82 PathProgramCache]: Analyzing trace with hash -813454265, now seen corresponding path program 1 times [2020-04-17 18:47:07,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:07,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364095224] [2020-04-17 18:47:07,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:08,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364095224] [2020-04-17 18:47:08,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:47:08,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:47:08,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671284542] [2020-04-17 18:47:08,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 18:47:08,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:08,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 18:47:08,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:47:08,236 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-04-17 18:47:08,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:08,255 INFO L93 Difference]: Finished difference Result 35 states and 63 transitions. [2020-04-17 18:47:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 18:47:08,256 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-17 18:47:08,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:08,288 INFO L225 Difference]: With dead ends: 35 [2020-04-17 18:47:08,288 INFO L226 Difference]: Without dead ends: 35 [2020-04-17 18:47:08,293 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:47:08,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-04-17 18:47:08,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-04-17 18:47:08,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-04-17 18:47:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 63 transitions. [2020-04-17 18:47:08,340 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 63 transitions. Word has length 6 [2020-04-17 18:47:08,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:08,341 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 63 transitions. [2020-04-17 18:47:08,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 18:47:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2020-04-17 18:47:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 18:47:08,342 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:08,342 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-04-17 18:47:08,342 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:47:08,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:08,343 INFO L82 PathProgramCache]: Analyzing trace with hash -813529685, now seen corresponding path program 1 times [2020-04-17 18:47:08,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:08,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938252135] [2020-04-17 18:47:08,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:47:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:47:08,449 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 18:47:08,449 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 18:47:08,451 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-17 18:47:08,451 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-17 18:47:08,468 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,468 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,468 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,468 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,469 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,469 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,472 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,472 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,472 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,474 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,474 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,475 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,475 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,475 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,475 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,475 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,476 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,476 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,476 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,476 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,476 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,477 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,478 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,478 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,478 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,478 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,478 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,479 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,479 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,480 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,480 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,480 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,481 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,481 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,481 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,481 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,481 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,481 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,482 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,486 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,486 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,487 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,487 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,487 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,487 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,491 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,499 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,499 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,499 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,500 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,501 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,503 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,503 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,503 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,505 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,508 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,509 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,509 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,509 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,509 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,509 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,510 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,510 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,510 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,510 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,510 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,511 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,511 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,511 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,511 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,511 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,512 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,512 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,513 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,513 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,513 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,513 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,515 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,515 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,517 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,517 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,518 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,540 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,542 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,542 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,543 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,543 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,544 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,549 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,549 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,549 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,550 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,550 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,550 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,550 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,550 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,550 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,551 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,551 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,551 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,551 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,551 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,551 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,551 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,552 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,552 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,552 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,552 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,552 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,552 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,553 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,553 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:08,556 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-17 18:47:08,556 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:47:08,556 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:47:08,556 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:47:08,556 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:47:08,557 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:47:08,557 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:47:08,557 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:47:08,557 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:47:08,563 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 82 transitions, 176 flow [2020-04-17 18:47:08,563 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 82 transitions, 176 flow [2020-04-17 18:47:08,596 INFO L129 PetriNetUnfolder]: 11/99 cut-off events. [2020-04-17 18:47:08,597 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-17 18:47:08,598 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 11/99 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 284 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2020-04-17 18:47:08,604 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 82 transitions, 176 flow [2020-04-17 18:47:08,637 INFO L129 PetriNetUnfolder]: 11/99 cut-off events. [2020-04-17 18:47:08,638 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-17 18:47:08,641 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 11/99 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 284 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2020-04-17 18:47:08,647 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3224 [2020-04-17 18:47:08,647 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:47:08,909 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:09,077 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:09,328 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:09,467 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:10,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:10,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:10,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:10,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:10,572 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3947 [2020-04-17 18:47:10,573 INFO L214 etLargeBlockEncoding]: Total number of compositions: 67 [2020-04-17 18:47:10,573 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 29 transitions, 70 flow [2020-04-17 18:47:10,593 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 445 states. [2020-04-17 18:47:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2020-04-17 18:47:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 18:47:10,594 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:10,595 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 18:47:10,595 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:47:10,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:10,595 INFO L82 PathProgramCache]: Analyzing trace with hash 280568248, now seen corresponding path program 1 times [2020-04-17 18:47:10,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:10,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247610499] [2020-04-17 18:47:10,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:10,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247610499] [2020-04-17 18:47:10,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:47:10,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:47:10,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379111239] [2020-04-17 18:47:10,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 18:47:10,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:10,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 18:47:10,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:47:10,622 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 2 states. [2020-04-17 18:47:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:10,645 INFO L93 Difference]: Finished difference Result 354 states and 1023 transitions. [2020-04-17 18:47:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 18:47:10,645 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-17 18:47:10,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:10,655 INFO L225 Difference]: With dead ends: 354 [2020-04-17 18:47:10,655 INFO L226 Difference]: Without dead ends: 354 [2020-04-17 18:47:10,655 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:47:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-04-17 18:47:10,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2020-04-17 18:47:10,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-04-17 18:47:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 1023 transitions. [2020-04-17 18:47:10,725 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 1023 transitions. Word has length 6 [2020-04-17 18:47:10,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:10,725 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 1023 transitions. [2020-04-17 18:47:10,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 18:47:10,726 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 1023 transitions. [2020-04-17 18:47:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 18:47:10,728 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:10,729 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-04-17 18:47:10,729 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:47:10,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:10,729 INFO L82 PathProgramCache]: Analyzing trace with hash 719301720, now seen corresponding path program 1 times [2020-04-17 18:47:10,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:10,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974872951] [2020-04-17 18:47:10,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:47:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:47:10,760 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 18:47:10,760 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 18:47:10,760 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-17 18:47:10,764 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-17 18:47:10,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,778 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,779 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,779 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,779 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,780 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,784 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,784 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,785 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,785 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,786 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,786 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,787 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,787 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,787 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,787 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,788 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,788 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,788 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,793 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,793 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,794 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,794 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,794 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,794 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,794 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,794 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,795 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,795 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,795 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,795 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,795 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,795 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,796 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,796 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,796 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,797 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,797 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,797 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,798 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,798 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,813 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,813 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,814 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,814 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,814 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,814 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,815 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,815 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,815 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,815 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,815 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,815 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,815 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,816 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,816 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,816 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,816 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,816 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,817 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,817 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,818 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,818 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,818 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,818 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,818 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,818 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,822 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,824 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,824 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,827 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,827 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,827 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,830 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,830 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,831 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,831 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,832 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,832 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,833 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,833 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,833 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,833 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,834 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,834 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,837 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,837 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,837 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,838 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,838 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,838 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,838 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,839 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,839 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,840 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,842 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,842 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,843 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,843 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,844 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,844 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,844 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,844 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,844 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,845 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,845 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,845 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,845 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,845 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,845 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,846 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,846 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,846 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,846 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,846 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,846 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,846 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,847 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:10,848 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-17 18:47:10,849 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:47:10,849 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:47:10,849 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:47:10,849 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:47:10,849 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:47:10,849 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:47:10,850 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:47:10,850 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:47:10,852 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 114 transitions, 249 flow [2020-04-17 18:47:10,856 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 108 places, 114 transitions, 249 flow [2020-04-17 18:47:10,880 INFO L129 PetriNetUnfolder]: 16/140 cut-off events. [2020-04-17 18:47:10,880 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-17 18:47:10,882 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 140 events. 16/140 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 477 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 103. Up to 8 conditions per place. [2020-04-17 18:47:10,889 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 108 places, 114 transitions, 249 flow [2020-04-17 18:47:10,903 INFO L129 PetriNetUnfolder]: 16/140 cut-off events. [2020-04-17 18:47:10,904 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-17 18:47:10,905 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 140 events. 16/140 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 477 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 103. Up to 8 conditions per place. [2020-04-17 18:47:10,912 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 7812 [2020-04-17 18:47:10,912 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:47:11,036 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:11,161 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:11,627 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:11,754 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:12,547 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-04-17 18:47:12,726 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-04-17 18:47:12,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:12,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:12,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:12,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:13,342 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 18:47:13,496 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 18:47:13,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:13,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:13,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:13,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:14,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:14,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:14,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:14,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:14,511 INFO L206 etLargeBlockEncoding]: Checked pairs total: 9794 [2020-04-17 18:47:14,512 INFO L214 etLargeBlockEncoding]: Total number of compositions: 96 [2020-04-17 18:47:14,512 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 41 transitions, 103 flow [2020-04-17 18:47:14,744 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4009 states. [2020-04-17 18:47:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states. [2020-04-17 18:47:14,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 18:47:14,745 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:14,746 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 18:47:14,746 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:47:14,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:14,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1032795845, now seen corresponding path program 1 times [2020-04-17 18:47:14,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:14,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793019499] [2020-04-17 18:47:14,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:14,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793019499] [2020-04-17 18:47:14,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:47:14,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:47:14,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132714786] [2020-04-17 18:47:14,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 18:47:14,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:14,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 18:47:14,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:47:14,771 INFO L87 Difference]: Start difference. First operand 4009 states. Second operand 2 states. [2020-04-17 18:47:14,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:14,822 INFO L93 Difference]: Finished difference Result 3189 states and 12750 transitions. [2020-04-17 18:47:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 18:47:14,822 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-17 18:47:14,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:14,865 INFO L225 Difference]: With dead ends: 3189 [2020-04-17 18:47:14,865 INFO L226 Difference]: Without dead ends: 3189 [2020-04-17 18:47:14,865 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:47:14,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2020-04-17 18:47:15,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 3189. [2020-04-17 18:47:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3189 states. [2020-04-17 18:47:15,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 12750 transitions. [2020-04-17 18:47:15,104 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 12750 transitions. Word has length 6 [2020-04-17 18:47:15,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:15,104 INFO L479 AbstractCegarLoop]: Abstraction has 3189 states and 12750 transitions. [2020-04-17 18:47:15,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 18:47:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 12750 transitions. [2020-04-17 18:47:15,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 18:47:15,107 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:15,107 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:47:15,108 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:47:15,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:15,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1140895884, now seen corresponding path program 1 times [2020-04-17 18:47:15,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:15,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469916635] [2020-04-17 18:47:15,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:15,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469916635] [2020-04-17 18:47:15,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:47:15,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-17 18:47:15,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663939251] [2020-04-17 18:47:15,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-04-17 18:47:15,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:15,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-04-17 18:47:15,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-04-17 18:47:15,352 INFO L87 Difference]: Start difference. First operand 3189 states and 12750 transitions. Second operand 8 states. [2020-04-17 18:47:16,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:16,816 INFO L93 Difference]: Finished difference Result 5760 states and 22783 transitions. [2020-04-17 18:47:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-04-17 18:47:16,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2020-04-17 18:47:16,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:16,949 INFO L225 Difference]: With dead ends: 5760 [2020-04-17 18:47:16,950 INFO L226 Difference]: Without dead ends: 5760 [2020-04-17 18:47:16,950 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-04-17 18:47:16,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5760 states. [2020-04-17 18:47:17,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5760 to 4424. [2020-04-17 18:47:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4424 states. [2020-04-17 18:47:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 17862 transitions. [2020-04-17 18:47:17,140 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 17862 transitions. Word has length 9 [2020-04-17 18:47:17,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:17,140 INFO L479 AbstractCegarLoop]: Abstraction has 4424 states and 17862 transitions. [2020-04-17 18:47:17,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-04-17 18:47:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 17862 transitions. [2020-04-17 18:47:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 18:47:17,142 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:17,142 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:47:17,143 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:47:17,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:17,143 INFO L82 PathProgramCache]: Analyzing trace with hash -225815848, now seen corresponding path program 1 times [2020-04-17 18:47:17,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:17,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253252964] [2020-04-17 18:47:17,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-04-17 18:47:17,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253252964] [2020-04-17 18:47:17,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:47:17,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-17 18:47:17,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071573501] [2020-04-17 18:47:17,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-17 18:47:17,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:17,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-17 18:47:17,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-17 18:47:17,323 INFO L87 Difference]: Start difference. First operand 4424 states and 17862 transitions. Second operand 7 states. [2020-04-17 18:47:18,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:18,396 INFO L93 Difference]: Finished difference Result 7985 states and 31699 transitions. [2020-04-17 18:47:18,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-04-17 18:47:18,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-04-17 18:47:18,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:18,454 INFO L225 Difference]: With dead ends: 7985 [2020-04-17 18:47:18,454 INFO L226 Difference]: Without dead ends: 7985 [2020-04-17 18:47:18,454 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-04-17 18:47:18,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7985 states. [2020-04-17 18:47:19,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7985 to 5953. [2020-04-17 18:47:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5953 states. [2020-04-17 18:47:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5953 states to 5953 states and 24180 transitions. [2020-04-17 18:47:19,130 INFO L78 Accepts]: Start accepts. Automaton has 5953 states and 24180 transitions. Word has length 12 [2020-04-17 18:47:19,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:19,131 INFO L479 AbstractCegarLoop]: Abstraction has 5953 states and 24180 transitions. [2020-04-17 18:47:19,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-17 18:47:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5953 states and 24180 transitions. [2020-04-17 18:47:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 18:47:19,134 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:19,134 INFO L425 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-04-17 18:47:19,134 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:47:19,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:19,134 INFO L82 PathProgramCache]: Analyzing trace with hash -768998574, now seen corresponding path program 1 times [2020-04-17 18:47:19,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:19,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665563109] [2020-04-17 18:47:19,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:47:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:47:19,162 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 18:47:19,163 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 18:47:19,163 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-17 18:47:19,164 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-04-17 18:47:19,179 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,179 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,179 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,179 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,180 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,180 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,180 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,181 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,181 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,181 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,181 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,181 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,181 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,181 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,182 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,182 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,182 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,183 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,183 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,183 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,183 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,184 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,185 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,185 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,185 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,185 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,185 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,185 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,187 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,189 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,189 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,189 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,189 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,189 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,189 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,189 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,190 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,190 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,190 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,190 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,190 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,190 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,190 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,190 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,191 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,191 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,192 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,192 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,192 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,192 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,193 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,193 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,193 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,193 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,193 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,193 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,193 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,195 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,195 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,196 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,196 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,197 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,197 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,197 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,198 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,198 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,198 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,198 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,198 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,198 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,205 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,206 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,206 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,206 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,206 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,206 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,207 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,207 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,207 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,207 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,207 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,207 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,207 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,208 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,208 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,208 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,208 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,208 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,208 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,208 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,208 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,209 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,210 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,212 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,212 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,212 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,212 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,212 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,212 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,213 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,213 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,213 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,213 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,215 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,215 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,216 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,216 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,216 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,216 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,216 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,217 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,217 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,217 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,222 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,223 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,223 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,223 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,227 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,227 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,228 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,228 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,230 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,230 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,231 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,231 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,231 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,231 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,233 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,236 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,236 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:47:19,239 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-17 18:47:19,239 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:47:19,239 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:47:19,239 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:47:19,240 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:47:19,240 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:47:19,240 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:47:19,240 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:47:19,240 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:47:19,242 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 146 transitions, 324 flow [2020-04-17 18:47:19,242 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 146 transitions, 324 flow [2020-04-17 18:47:19,265 INFO L129 PetriNetUnfolder]: 21/181 cut-off events. [2020-04-17 18:47:19,266 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-17 18:47:19,268 INFO L80 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 181 events. 21/181 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 683 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 149. Up to 10 conditions per place. [2020-04-17 18:47:19,281 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 146 transitions, 324 flow [2020-04-17 18:47:19,304 INFO L129 PetriNetUnfolder]: 21/181 cut-off events. [2020-04-17 18:47:19,304 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-17 18:47:19,307 INFO L80 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 181 events. 21/181 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 683 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 149. Up to 10 conditions per place. [2020-04-17 18:47:19,319 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 14384 [2020-04-17 18:47:19,319 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:47:19,441 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:19,558 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:19,990 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:20,118 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:20,469 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:20,602 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 18:47:21,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:21,857 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 18:47:22,004 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 18:47:22,226 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 18:47:22,358 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 18:47:22,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:22,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:22,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:22,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:22,928 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 18:47:23,068 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 18:47:23,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:23,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:23,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:23,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:23,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:23,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:23,731 INFO L206 etLargeBlockEncoding]: Checked pairs total: 18011 [2020-04-17 18:47:23,731 INFO L214 etLargeBlockEncoding]: Total number of compositions: 128 [2020-04-17 18:47:23,732 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 51 transitions, 134 flow [2020-04-17 18:47:26,617 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 28876 states. [2020-04-17 18:47:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 28876 states. [2020-04-17 18:47:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 18:47:26,618 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:26,619 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 18:47:26,619 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:47:26,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:26,620 INFO L82 PathProgramCache]: Analyzing trace with hash -669891112, now seen corresponding path program 1 times [2020-04-17 18:47:26,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:26,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032268524] [2020-04-17 18:47:26,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:26,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032268524] [2020-04-17 18:47:26,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:47:26,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:47:26,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627653398] [2020-04-17 18:47:26,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 18:47:26,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:26,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 18:47:26,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:47:26,645 INFO L87 Difference]: Start difference. First operand 28876 states. Second operand 2 states. [2020-04-17 18:47:26,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:26,894 INFO L93 Difference]: Finished difference Result 22953 states and 117582 transitions. [2020-04-17 18:47:26,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 18:47:26,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-17 18:47:26,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:27,045 INFO L225 Difference]: With dead ends: 22953 [2020-04-17 18:47:27,045 INFO L226 Difference]: Without dead ends: 22953 [2020-04-17 18:47:27,046 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:47:28,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22953 states. [2020-04-17 18:47:28,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22953 to 22953. [2020-04-17 18:47:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22953 states. [2020-04-17 18:47:29,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22953 states to 22953 states and 117582 transitions. [2020-04-17 18:47:29,073 INFO L78 Accepts]: Start accepts. Automaton has 22953 states and 117582 transitions. Word has length 6 [2020-04-17 18:47:29,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:29,073 INFO L479 AbstractCegarLoop]: Abstraction has 22953 states and 117582 transitions. [2020-04-17 18:47:29,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 18:47:29,073 INFO L276 IsEmpty]: Start isEmpty. Operand 22953 states and 117582 transitions. [2020-04-17 18:47:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 18:47:29,074 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:29,074 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:47:29,074 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:47:29,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:29,074 INFO L82 PathProgramCache]: Analyzing trace with hash 2026511937, now seen corresponding path program 1 times [2020-04-17 18:47:29,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:29,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595746901] [2020-04-17 18:47:29,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:29,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595746901] [2020-04-17 18:47:29,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:47:29,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-17 18:47:29,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202042896] [2020-04-17 18:47:29,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-04-17 18:47:29,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:29,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-04-17 18:47:29,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-04-17 18:47:29,266 INFO L87 Difference]: Start difference. First operand 22953 states and 117582 transitions. Second operand 9 states. [2020-04-17 18:47:30,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:30,668 INFO L93 Difference]: Finished difference Result 28105 states and 142679 transitions. [2020-04-17 18:47:30,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-17 18:47:30,669 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2020-04-17 18:47:30,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:30,798 INFO L225 Difference]: With dead ends: 28105 [2020-04-17 18:47:30,798 INFO L226 Difference]: Without dead ends: 28105 [2020-04-17 18:47:30,799 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-04-17 18:47:31,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28105 states. [2020-04-17 18:47:32,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28105 to 26913. [2020-04-17 18:47:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26913 states. [2020-04-17 18:47:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26913 states to 26913 states and 137250 transitions. [2020-04-17 18:47:32,381 INFO L78 Accepts]: Start accepts. Automaton has 26913 states and 137250 transitions. Word has length 9 [2020-04-17 18:47:32,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:32,382 INFO L479 AbstractCegarLoop]: Abstraction has 26913 states and 137250 transitions. [2020-04-17 18:47:32,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-04-17 18:47:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 26913 states and 137250 transitions. [2020-04-17 18:47:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-17 18:47:32,383 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:32,383 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:47:32,384 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:47:32,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:32,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1189420139, now seen corresponding path program 1 times [2020-04-17 18:47:32,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:32,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90556454] [2020-04-17 18:47:32,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:32,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90556454] [2020-04-17 18:47:32,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252858677] [2020-04-17 18:47:32,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:47:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:32,759 INFO L264 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 21 conjunts are in the unsatisfiable core [2020-04-17 18:47:32,763 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:47:32,870 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:47:32,870 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 18:47:32,872 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:32,906 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 18:47:32,906 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:47:32,907 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 18:47:32,972 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:32,972 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:32,983 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:32,984 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:32,992 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:32,993 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:33,038 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:33,038 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:47:33,039 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 18:47:33,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:47:33,130 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:33,131 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 18:47:33,131 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:33,170 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:33,170 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2020-04-17 18:47:33,171 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:33,188 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:33,189 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 18:47:33,189 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:33,223 INFO L619 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-04-17 18:47:33,223 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:47:33,224 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:114, output treesize:27 [2020-04-17 18:47:35,036 WARN L192 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2020-04-17 18:47:35,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:35,053 INFO L435 ElimStorePlain]: Different costs {6=[|v_#memory_int_818|], 10=[v_prenex_1]} [2020-04-17 18:47:35,068 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:47:35,068 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:35,110 INFO L619 ElimStorePlain]: treesize reduction 11, result has 85.5 percent of original size [2020-04-17 18:47:35,116 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 18:47:35,117 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:35,130 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:35,130 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:47:35,131 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:134, output treesize:39 [2020-04-17 18:47:35,225 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:47:35,226 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:35,257 INFO L619 ElimStorePlain]: treesize reduction 10, result has 79.6 percent of original size [2020-04-17 18:47:35,258 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 18:47:35,259 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:39 [2020-04-17 18:47:35,322 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 18:47:35,322 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:35,334 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:35,334 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:47:35,335 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:46, output treesize:9 [2020-04-17 18:47:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:35,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:47:35,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 15 [2020-04-17 18:47:35,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89590549] [2020-04-17 18:47:35,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-04-17 18:47:35,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:35,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-17 18:47:35,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2020-04-17 18:47:35,357 INFO L87 Difference]: Start difference. First operand 26913 states and 137250 transitions. Second operand 17 states. [2020-04-17 18:47:35,590 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-04-17 18:47:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:38,717 INFO L93 Difference]: Finished difference Result 53479 states and 271095 transitions. [2020-04-17 18:47:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-04-17 18:47:38,718 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 11 [2020-04-17 18:47:38,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:38,987 INFO L225 Difference]: With dead ends: 53479 [2020-04-17 18:47:38,987 INFO L226 Difference]: Without dead ends: 53479 [2020-04-17 18:47:38,988 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2020-04-17 18:47:39,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53479 states. [2020-04-17 18:47:40,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53479 to 34158. [2020-04-17 18:47:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34158 states. [2020-04-17 18:47:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34158 states to 34158 states and 175093 transitions. [2020-04-17 18:47:40,569 INFO L78 Accepts]: Start accepts. Automaton has 34158 states and 175093 transitions. Word has length 11 [2020-04-17 18:47:40,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:40,569 INFO L479 AbstractCegarLoop]: Abstraction has 34158 states and 175093 transitions. [2020-04-17 18:47:40,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-04-17 18:47:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 34158 states and 175093 transitions. [2020-04-17 18:47:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 18:47:40,570 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:40,570 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:47:40,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:47:40,771 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:47:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:40,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1625565198, now seen corresponding path program 1 times [2020-04-17 18:47:40,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:40,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315209712] [2020-04-17 18:47:40,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-04-17 18:47:40,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315209712] [2020-04-17 18:47:40,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876176876] [2020-04-17 18:47:40,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:47:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:41,008 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2020-04-17 18:47:41,011 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:47:41,066 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:47:41,067 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 18:47:41,070 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,101 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 18:47:41,101 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,102 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 18:47:41,141 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:41,142 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,154 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:41,154 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,161 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:41,161 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,203 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:41,204 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:47:41,204 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 18:47:41,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:47:41,281 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:47:41,282 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,295 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:47:41,296 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,308 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:47:41,309 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,352 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:41,353 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2020-04-17 18:47:41,354 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:129, output treesize:96 [2020-04-17 18:47:41,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:47:41,465 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:41,465 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 18:47:41,466 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,485 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:41,485 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 18:47:41,486 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,527 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:41,528 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2020-04-17 18:47:41,529 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,566 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:41,568 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2020-04-17 18:47:41,568 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:111, output treesize:93 [2020-04-17 18:47:41,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:41,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:41,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:41,728 INFO L435 ElimStorePlain]: Different costs {6=[|v_#memory_int_822|, v_prenex_7], 10=[v_prenex_10, v_prenex_12]} [2020-04-17 18:47:41,741 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:47:41,742 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,899 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2020-04-17 18:47:41,899 INFO L619 ElimStorePlain]: treesize reduction 126, result has 51.7 percent of original size [2020-04-17 18:47:41,899 INFO L507 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2020-04-17 18:47:41,912 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 18:47:41,913 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:41,955 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:41,965 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 18:47:41,965 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:42,003 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:42,005 INFO L539 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 4 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2020-04-17 18:47:42,005 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 18 variables, input treesize:275, output treesize:83 [2020-04-17 18:47:42,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:42,088 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 18:47:42,089 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:42,094 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 18:47:42,094 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:42,116 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:42,117 INFO L539 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:47:42,117 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:97, output treesize:9 [2020-04-17 18:47:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:42,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:47:42,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2020-04-17 18:47:42,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198078371] [2020-04-17 18:47:42,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-04-17 18:47:42,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:42,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-17 18:47:42,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-04-17 18:47:42,137 INFO L87 Difference]: Start difference. First operand 34158 states and 175093 transitions. Second operand 15 states. [2020-04-17 18:47:42,406 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-04-17 18:47:42,977 WARN L192 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2020-04-17 18:47:46,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:47:46,926 INFO L93 Difference]: Finished difference Result 71674 states and 359667 transitions. [2020-04-17 18:47:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-04-17 18:47:46,926 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 12 [2020-04-17 18:47:46,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:47:49,528 INFO L225 Difference]: With dead ends: 71674 [2020-04-17 18:47:49,528 INFO L226 Difference]: Without dead ends: 71674 [2020-04-17 18:47:49,529 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2020-04-17 18:47:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71674 states. [2020-04-17 18:47:50,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71674 to 49176. [2020-04-17 18:47:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49176 states. [2020-04-17 18:47:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49176 states to 49176 states and 251349 transitions. [2020-04-17 18:47:51,166 INFO L78 Accepts]: Start accepts. Automaton has 49176 states and 251349 transitions. Word has length 12 [2020-04-17 18:47:51,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:47:51,166 INFO L479 AbstractCegarLoop]: Abstraction has 49176 states and 251349 transitions. [2020-04-17 18:47:51,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-04-17 18:47:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 49176 states and 251349 transitions. [2020-04-17 18:47:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:47:51,167 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:47:51,167 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:47:51,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:47:51,369 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:47:51,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:47:51,370 INFO L82 PathProgramCache]: Analyzing trace with hash -373346649, now seen corresponding path program 1 times [2020-04-17 18:47:51,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:47:51,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791333186] [2020-04-17 18:47:51,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:47:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:51,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791333186] [2020-04-17 18:47:51,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59820559] [2020-04-17 18:47:51,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:47:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:47:52,061 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core [2020-04-17 18:47:52,064 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:47:52,111 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:47:52,112 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 18:47:52,113 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:52,155 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 18:47:52,155 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:47:52,155 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 18:47:52,200 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:52,201 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:52,218 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:52,218 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:52,226 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:47:52,226 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:52,276 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:52,277 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:47:52,277 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 18:47:52,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:47:52,487 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 18:47:52,488 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 18:47:52,488 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 18:47:52,489 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:52,546 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:52,546 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:47:52,547 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:52,590 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:52,590 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:47:52,591 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:52,773 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 18:47:52,774 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 18:47:52,774 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:47:52,775 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 18:47:53,084 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-04-17 18:47:53,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:47:53,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:53,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:53,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:53,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:53,132 INFO L435 ElimStorePlain]: Different costs {6=[v_prenex_20, v_prenex_30, v_prenex_24, v_prenex_18], 10=[v_prenex_32, v_prenex_23, v_prenex_26, |v_#memory_int_824|]} [2020-04-17 18:47:53,193 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:47:53,194 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:54,714 WARN L192 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 206 DAG size of output: 109 [2020-04-17 18:47:54,715 INFO L619 ElimStorePlain]: treesize reduction 339, result has 49.5 percent of original size [2020-04-17 18:47:54,715 INFO L507 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2020-04-17 18:47:54,715 INFO L507 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2020-04-17 18:47:54,716 INFO L507 ElimStorePlain]: Eliminatee v_prenex_18 vanished before elimination [2020-04-17 18:47:54,729 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 18:47:54,730 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:55,108 WARN L192 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-04-17 18:47:55,108 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:55,127 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 18:47:55,128 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:55,316 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-04-17 18:47:55,317 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:55,330 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 18:47:55,330 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:55,462 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-04-17 18:47:55,462 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:55,479 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 18:47:55,480 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:55,596 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-04-17 18:47:55,596 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:55,598 INFO L539 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 8 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:47:55,598 INFO L239 ElimStorePlain]: Needed 6 recursive calls to eliminate 22 variables, input treesize:675, output treesize:228 [2020-04-17 18:47:55,736 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-04-17 18:47:55,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 18:47:55,783 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 18:47:55,784 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:55,795 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 18:47:55,796 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:55,813 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 18:47:55,813 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:55,821 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 18:47:55,821 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:55,931 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-04-17 18:47:55,931 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:55,933 INFO L539 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2020-04-17 18:47:55,934 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:269, output treesize:225 [2020-04-17 18:47:56,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 18:47:56,144 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:56,145 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:47:56,145 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:56,179 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:56,180 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:47:56,181 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:56,247 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:56,248 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 18:47:56,249 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:56,274 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:56,275 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:47:56,275 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:56,405 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-04-17 18:47:56,406 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:56,408 INFO L539 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 1 dim-1 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2020-04-17 18:47:56,408 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 15 variables, input treesize:245, output treesize:220 [2020-04-17 18:47:56,609 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2020-04-17 18:47:57,145 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-04-17 18:47:57,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:57,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:47:57,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:47:57,182 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 18:47:57,182 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:57,336 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-04-17 18:47:57,336 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:57,348 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 18:47:57,349 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:57,461 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-04-17 18:47:57,461 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:57,476 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 18:47:57,476 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:57,575 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:57,577 INFO L539 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 3 dim-2 vars, End of recursive call: 16 dim-0 vars, and 3 xjuncts. [2020-04-17 18:47:57,577 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 19 variables, input treesize:279, output treesize:183 [2020-04-17 18:47:57,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:47:57,724 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 18:47:57,724 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:57,728 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 18:47:57,729 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:47:57,768 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:47:57,769 INFO L539 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:47:57,769 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 14 variables, input treesize:139, output treesize:9 [2020-04-17 18:47:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:47:57,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:47:57,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 18:47:57,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122004395] [2020-04-17 18:47:57,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 18:47:57,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:47:57,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 18:47:57,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2020-04-17 18:47:57,813 INFO L87 Difference]: Start difference. First operand 49176 states and 251349 transitions. Second operand 22 states. [2020-04-17 18:47:58,085 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-04-17 18:47:58,367 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2020-04-17 18:47:58,701 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2020-04-17 18:47:59,251 WARN L192 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 124 [2020-04-17 18:48:00,327 WARN L192 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2020-04-17 18:48:02,948 WARN L192 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2020-04-17 18:48:03,589 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2020-04-17 18:48:06,130 WARN L192 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 148 DAG size of output: 138 [2020-04-17 18:48:06,734 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2020-04-17 18:48:06,938 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-04-17 18:48:07,071 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-04-17 18:48:08,962 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-04-17 18:48:11,222 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-04-17 18:48:12,102 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-04-17 18:48:15,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:48:15,624 INFO L93 Difference]: Finished difference Result 102865 states and 529145 transitions. [2020-04-17 18:48:15,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-04-17 18:48:15,624 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 18:48:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:48:16,481 INFO L225 Difference]: With dead ends: 102865 [2020-04-17 18:48:16,481 INFO L226 Difference]: Without dead ends: 102865 [2020-04-17 18:48:16,482 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=486, Invalid=2706, Unknown=0, NotChecked=0, Total=3192 [2020-04-17 18:48:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102865 states. [2020-04-17 18:48:18,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102865 to 59229. [2020-04-17 18:48:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59229 states. [2020-04-17 18:48:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59229 states to 59229 states and 302393 transitions. [2020-04-17 18:48:19,081 INFO L78 Accepts]: Start accepts. Automaton has 59229 states and 302393 transitions. Word has length 15 [2020-04-17 18:48:19,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:48:19,081 INFO L479 AbstractCegarLoop]: Abstraction has 59229 states and 302393 transitions. [2020-04-17 18:48:19,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 18:48:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 59229 states and 302393 transitions. [2020-04-17 18:48:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:48:19,084 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:48:19,084 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:48:19,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:48:19,290 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:48:19,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:48:19,291 INFO L82 PathProgramCache]: Analyzing trace with hash 363313407, now seen corresponding path program 2 times [2020-04-17 18:48:19,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:48:19,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60003473] [2020-04-17 18:48:19,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:48:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:48:19,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:48:19,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60003473] [2020-04-17 18:48:19,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404281221] [2020-04-17 18:48:19,705 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:48:19,788 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 18:48:19,788 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 18:48:19,790 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 31 conjunts are in the unsatisfiable core [2020-04-17 18:48:19,791 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:48:19,855 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:48:19,855 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 18:48:19,856 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:19,901 INFO L619 ElimStorePlain]: treesize reduction 24, result has 60.7 percent of original size [2020-04-17 18:48:19,901 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:48:19,901 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:37 [2020-04-17 18:48:19,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:48:19,950 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:48:19,950 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:19,957 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:48:19,958 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:19,968 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:48:19,969 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,025 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:20,026 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2020-04-17 18:48:20,027 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:117, output treesize:105 [2020-04-17 18:48:20,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:48:20,189 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:20,189 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 88 [2020-04-17 18:48:20,190 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,228 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:20,229 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 50 [2020-04-17 18:48:20,229 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,271 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:20,272 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 50 [2020-04-17 18:48:20,272 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,463 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2020-04-17 18:48:20,464 INFO L619 ElimStorePlain]: treesize reduction 82, result has 65.1 percent of original size [2020-04-17 18:48:20,465 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2020-04-17 18:48:20,465 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:132, output treesize:153 [2020-04-17 18:48:20,657 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-04-17 18:48:20,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:48:20,738 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-04-17 18:48:20,739 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,747 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-04-17 18:48:20,748 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,756 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-04-17 18:48:20,756 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,763 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-04-17 18:48:20,763 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,771 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-04-17 18:48:20,772 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,780 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-04-17 18:48:20,780 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,786 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-04-17 18:48:20,787 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,792 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-04-17 18:48:20,793 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:20,967 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-04-17 18:48:20,968 INFO L619 ElimStorePlain]: treesize reduction 135, result has 48.7 percent of original size [2020-04-17 18:48:20,969 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2020-04-17 18:48:20,969 INFO L239 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:407, output treesize:128 [2020-04-17 18:48:21,118 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-04-17 18:48:21,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:48:21,172 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:21,173 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2020-04-17 18:48:21,174 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:21,218 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:21,218 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2020-04-17 18:48:21,219 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:21,279 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:21,280 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 26 treesize of output 88 [2020-04-17 18:48:21,281 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:21,397 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-04-17 18:48:21,398 INFO L619 ElimStorePlain]: treesize reduction 8, result has 91.5 percent of original size [2020-04-17 18:48:21,399 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:48:21,399 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:111, output treesize:70 [2020-04-17 18:48:21,487 INFO L435 ElimStorePlain]: Different costs {2=[v_prenex_51], 4=[|v_#memory_int_828|]} [2020-04-17 18:48:21,518 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:21,519 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 39 [2020-04-17 18:48:21,519 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:21,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:21,520 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-17 18:48:21,678 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 18:48:21,678 INFO L619 ElimStorePlain]: treesize reduction 12, result has 89.7 percent of original size [2020-04-17 18:48:21,685 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 18:48:21,700 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:21,700 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 40 [2020-04-17 18:48:21,701 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-17 18:48:21,802 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-04-17 18:48:21,803 INFO L619 ElimStorePlain]: treesize reduction 16, result has 84.3 percent of original size [2020-04-17 18:48:21,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:21,804 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2020-04-17 18:48:21,804 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:86 [2020-04-17 18:48:21,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:21,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:21,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:21,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:22,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:22,138 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 22 [2020-04-17 18:48:22,138 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:22,154 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:22,155 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-17 18:48:22,155 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:27 [2020-04-17 18:48:22,232 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2020-04-17 18:48:22,232 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:22,242 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:22,242 INFO L539 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:48:22,243 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2020-04-17 18:48:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:48:22,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:48:22,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 18:48:22,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030627198] [2020-04-17 18:48:22,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 18:48:22,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:48:22,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 18:48:22,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2020-04-17 18:48:22,303 INFO L87 Difference]: Start difference. First operand 59229 states and 302393 transitions. Second operand 22 states. [2020-04-17 18:48:22,566 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2020-04-17 18:48:23,017 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2020-04-17 18:48:23,462 WARN L192 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2020-04-17 18:48:23,733 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-04-17 18:48:24,128 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-04-17 18:48:24,623 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-04-17 18:48:24,961 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-04-17 18:48:28,141 WARN L192 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-04-17 18:48:28,502 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-04-17 18:48:28,974 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-04-17 18:48:29,303 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-04-17 18:48:29,679 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-04-17 18:48:30,149 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2020-04-17 18:48:30,634 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-04-17 18:48:30,958 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-04-17 18:48:31,250 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-04-17 18:48:31,594 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-04-17 18:48:32,712 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-04-17 18:48:33,737 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2020-04-17 18:48:34,384 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2020-04-17 18:48:34,953 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2020-04-17 18:48:35,611 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-04-17 18:48:35,832 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2020-04-17 18:48:37,217 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2020-04-17 18:48:40,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:48:40,824 INFO L93 Difference]: Finished difference Result 146891 states and 760982 transitions. [2020-04-17 18:48:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-04-17 18:48:40,824 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 18:48:40,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:48:41,370 INFO L225 Difference]: With dead ends: 146891 [2020-04-17 18:48:41,370 INFO L226 Difference]: Without dead ends: 146891 [2020-04-17 18:48:41,372 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=702, Invalid=3720, Unknown=0, NotChecked=0, Total=4422 [2020-04-17 18:48:42,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146891 states. [2020-04-17 18:48:48,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146891 to 63719. [2020-04-17 18:48:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63719 states. [2020-04-17 18:48:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63719 states to 63719 states and 327259 transitions. [2020-04-17 18:48:48,843 INFO L78 Accepts]: Start accepts. Automaton has 63719 states and 327259 transitions. Word has length 15 [2020-04-17 18:48:48,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:48:48,843 INFO L479 AbstractCegarLoop]: Abstraction has 63719 states and 327259 transitions. [2020-04-17 18:48:48,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 18:48:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 63719 states and 327259 transitions. [2020-04-17 18:48:48,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:48:48,846 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:48:48,846 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:48:49,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:48:49,051 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:48:49,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:48:49,052 INFO L82 PathProgramCache]: Analyzing trace with hash -2122056188, now seen corresponding path program 1 times [2020-04-17 18:48:49,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:48:49,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768987056] [2020-04-17 18:48:49,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:48:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:48:49,527 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-04-17 18:48:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:48:49,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768987056] [2020-04-17 18:48:49,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348439541] [2020-04-17 18:48:49,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:48:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:48:49,750 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 33 conjunts are in the unsatisfiable core [2020-04-17 18:48:49,752 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:48:49,801 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:48:49,802 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 18:48:49,802 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:49,844 INFO L619 ElimStorePlain]: treesize reduction 23, result has 61.7 percent of original size [2020-04-17 18:48:49,844 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:48:49,844 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:37 [2020-04-17 18:48:49,884 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:48:49,885 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:49,893 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:48:49,894 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:49,900 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:48:49,901 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:49,961 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:49,962 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:48:49,962 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:120, output treesize:108 [2020-04-17 18:48:50,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:48:50,095 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:50,096 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:48:50,096 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:50,148 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:50,149 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:48:50,149 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:50,271 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 18:48:50,271 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 18:48:50,272 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 18:48:50,273 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:50,472 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-04-17 18:48:50,473 INFO L619 ElimStorePlain]: treesize reduction 94, result has 61.6 percent of original size [2020-04-17 18:48:50,474 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:48:50,474 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:141, output treesize:151 [2020-04-17 18:48:50,796 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-04-17 18:48:50,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:48:50,825 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 18:48:50,825 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:50,844 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 18:48:50,844 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:50,856 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 18:48:50,856 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:50,865 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 18:48:50,866 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:50,970 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-04-17 18:48:50,971 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:50,972 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:48:50,972 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:264, output treesize:208 [2020-04-17 18:48:51,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 18:48:51,174 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:51,174 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:48:51,175 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:51,209 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:51,210 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:48:51,210 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:51,275 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:51,276 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 18:48:51,277 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:51,299 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:51,300 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:48:51,300 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:51,427 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-04-17 18:48:51,427 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:51,429 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:48:51,429 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:240, output treesize:215 [2020-04-17 18:48:51,607 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-04-17 18:48:51,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:51,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:51,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:51,722 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:51,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:51,739 INFO L435 ElimStorePlain]: Different costs {12=[v_prenex_59], 18=[|v_#memory_int_832|]} [2020-04-17 18:48:51,758 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:48:51,758 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:51,785 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:48:51,785 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:52,024 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-04-17 18:48:52,025 INFO L619 ElimStorePlain]: treesize reduction 164, result has 50.8 percent of original size [2020-04-17 18:48:52,045 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2020-04-17 18:48:52,046 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:52,057 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2020-04-17 18:48:52,057 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:52,136 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:52,137 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2020-04-17 18:48:52,137 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:351, output treesize:107 [2020-04-17 18:48:52,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:52,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:52,240 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:52,253 INFO L435 ElimStorePlain]: Different costs {12=[v_prenex_66, |v_#memory_int_833|], 18=[v_prenex_64, v_prenex_69]} [2020-04-17 18:48:52,273 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2020-04-17 18:48:52,274 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:52,781 WARN L192 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 137 [2020-04-17 18:48:52,782 INFO L619 ElimStorePlain]: treesize reduction 8, result has 97.4 percent of original size [2020-04-17 18:48:52,799 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2020-04-17 18:48:52,800 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:53,035 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-04-17 18:48:53,035 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:53,070 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:53,071 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 64 [2020-04-17 18:48:53,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:53,073 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:53,426 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-04-17 18:48:53,427 INFO L619 ElimStorePlain]: treesize reduction 16, result has 94.6 percent of original size [2020-04-17 18:48:53,459 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:53,460 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 64 [2020-04-17 18:48:53,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:48:53,462 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:53,776 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-04-17 18:48:53,777 INFO L619 ElimStorePlain]: treesize reduction 16, result has 94.3 percent of original size [2020-04-17 18:48:53,778 INFO L539 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 4 dim-2 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2020-04-17 18:48:53,779 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 18 variables, input treesize:315, output treesize:263 [2020-04-17 18:48:54,140 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2020-04-17 18:48:54,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:48:54,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:48:54,349 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2020-04-17 18:48:54,350 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:54,551 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-04-17 18:48:54,552 INFO L619 ElimStorePlain]: treesize reduction 20, result has 89.4 percent of original size [2020-04-17 18:48:54,562 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2020-04-17 18:48:54,563 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:54,666 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-04-17 18:48:54,667 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:54,675 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2020-04-17 18:48:54,676 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:48:54,749 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:48:54,750 INFO L539 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 18:48:54,751 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 20 variables, input treesize:231, output treesize:18 [2020-04-17 18:48:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:48:54,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:48:54,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-04-17 18:48:54,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162384041] [2020-04-17 18:48:54,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-17 18:48:54,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:48:54,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-17 18:48:54,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2020-04-17 18:48:54,837 INFO L87 Difference]: Start difference. First operand 63719 states and 327259 transitions. Second operand 23 states. [2020-04-17 18:48:55,107 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-04-17 18:48:55,296 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-04-17 18:48:55,788 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-04-17 18:48:56,165 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-04-17 18:48:56,517 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-04-17 18:48:59,184 WARN L192 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 124 DAG size of output: 113 [2020-04-17 18:48:59,709 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-04-17 18:49:01,071 WARN L192 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2020-04-17 18:49:03,511 WARN L192 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 130 DAG size of output: 120 [2020-04-17 18:49:04,388 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 120 [2020-04-17 18:49:07,229 WARN L192 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2020-04-17 18:49:07,980 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-04-17 18:49:10,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:49:10,430 INFO L93 Difference]: Finished difference Result 104751 states and 536219 transitions. [2020-04-17 18:49:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-04-17 18:49:10,431 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 15 [2020-04-17 18:49:10,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:49:10,841 INFO L225 Difference]: With dead ends: 104751 [2020-04-17 18:49:10,841 INFO L226 Difference]: Without dead ends: 104751 [2020-04-17 18:49:10,842 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=220, Invalid=1186, Unknown=0, NotChecked=0, Total=1406 [2020-04-17 18:49:11,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104751 states. [2020-04-17 18:49:16,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104751 to 71294. [2020-04-17 18:49:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71294 states. [2020-04-17 18:49:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71294 states to 71294 states and 369139 transitions. [2020-04-17 18:49:16,948 INFO L78 Accepts]: Start accepts. Automaton has 71294 states and 369139 transitions. Word has length 15 [2020-04-17 18:49:16,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:49:16,948 INFO L479 AbstractCegarLoop]: Abstraction has 71294 states and 369139 transitions. [2020-04-17 18:49:16,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-17 18:49:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 71294 states and 369139 transitions. [2020-04-17 18:49:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:49:16,951 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:49:16,952 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:49:17,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:49:17,155 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:49:17,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:49:17,156 INFO L82 PathProgramCache]: Analyzing trace with hash 2133579943, now seen corresponding path program 3 times [2020-04-17 18:49:17,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:49:17,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663776382] [2020-04-17 18:49:17,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:49:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:49:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:49:17,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663776382] [2020-04-17 18:49:17,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636823599] [2020-04-17 18:49:17,571 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:49:17,675 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-04-17 18:49:17,675 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 18:49:17,676 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 36 conjunts are in the unsatisfiable core [2020-04-17 18:49:17,677 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:49:17,722 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:49:17,723 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 18:49:17,723 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:17,767 INFO L619 ElimStorePlain]: treesize reduction 24, result has 60.7 percent of original size [2020-04-17 18:49:17,768 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:49:17,768 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:37 [2020-04-17 18:49:17,811 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:17,812 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:17,820 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:17,821 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:17,827 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:17,828 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:17,886 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:17,887 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:49:17,887 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:120, output treesize:108 [2020-04-17 18:49:17,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:49:18,098 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 18:49:18,098 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 18:49:18,099 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 18:49:18,100 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:18,185 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:18,185 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:49:18,186 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:18,238 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:18,239 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:49:18,240 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:18,527 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-04-17 18:49:18,528 INFO L619 ElimStorePlain]: treesize reduction 94, result has 63.0 percent of original size [2020-04-17 18:49:18,529 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:49:18,529 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:150, output treesize:160 [2020-04-17 18:49:18,707 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-04-17 18:49:18,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:49:18,864 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 18:49:18,865 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:18,880 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 18:49:18,881 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:18,894 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 18:49:18,895 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:18,904 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 18:49:18,905 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:19,034 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-04-17 18:49:19,035 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:19,036 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:49:19,036 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:276, output treesize:224 [2020-04-17 18:49:19,198 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-04-17 18:49:19,202 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 18:49:19,257 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:19,257 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:19,258 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:19,291 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:19,292 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:19,292 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:19,324 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:19,324 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:19,325 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:19,380 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:19,381 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 18:49:19,381 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:19,522 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-04-17 18:49:19,523 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:19,524 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:49:19,525 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:256, output treesize:231 [2020-04-17 18:49:19,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:19,702 INFO L435 ElimStorePlain]: Different costs {6=[|v_#memory_int_836|], 10=[v_prenex_87]} [2020-04-17 18:49:19,714 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:49:19,714 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:19,813 INFO L619 ElimStorePlain]: treesize reduction 81, result has 52.4 percent of original size [2020-04-17 18:49:19,816 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 18:49:19,817 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 18:49:19,818 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:19,857 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:19,858 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-17 18:49:19,858 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:182, output treesize:63 [2020-04-17 18:49:19,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:19,942 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 18:49:19,948 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 49 [2020-04-17 18:49:19,949 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:19,960 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2020-04-17 18:49:19,960 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:20,042 INFO L619 ElimStorePlain]: treesize reduction 94, result has 37.3 percent of original size [2020-04-17 18:49:20,043 INFO L539 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-04-17 18:49:20,044 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:180, output treesize:56 [2020-04-17 18:49:20,170 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:20,171 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 40 [2020-04-17 18:49:20,172 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:20,206 INFO L619 ElimStorePlain]: treesize reduction 6, result has 84.6 percent of original size [2020-04-17 18:49:20,207 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:49:20,207 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:67, output treesize:9 [2020-04-17 18:49:20,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:49:20,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:49:20,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-04-17 18:49:20,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717916138] [2020-04-17 18:49:20,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-17 18:49:20,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:49:20,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-17 18:49:20,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2020-04-17 18:49:20,234 INFO L87 Difference]: Start difference. First operand 71294 states and 369139 transitions. Second operand 23 states. [2020-04-17 18:49:20,472 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-04-17 18:49:21,365 WARN L192 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-04-17 18:49:21,845 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-04-17 18:49:22,202 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-04-17 18:49:26,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:49:26,651 INFO L93 Difference]: Finished difference Result 98522 states and 503165 transitions. [2020-04-17 18:49:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-04-17 18:49:26,652 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 15 [2020-04-17 18:49:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:49:27,032 INFO L225 Difference]: With dead ends: 98522 [2020-04-17 18:49:27,032 INFO L226 Difference]: Without dead ends: 98522 [2020-04-17 18:49:27,033 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=196, Invalid=994, Unknown=0, NotChecked=0, Total=1190 [2020-04-17 18:49:27,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98522 states. [2020-04-17 18:49:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98522 to 74878. [2020-04-17 18:49:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74878 states. [2020-04-17 18:49:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74878 states to 74878 states and 389220 transitions. [2020-04-17 18:49:33,667 INFO L78 Accepts]: Start accepts. Automaton has 74878 states and 389220 transitions. Word has length 15 [2020-04-17 18:49:33,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:49:33,668 INFO L479 AbstractCegarLoop]: Abstraction has 74878 states and 389220 transitions. [2020-04-17 18:49:33,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-17 18:49:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 74878 states and 389220 transitions. [2020-04-17 18:49:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:49:33,671 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:49:33,672 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:49:33,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:49:33,873 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:49:33,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:49:33,873 INFO L82 PathProgramCache]: Analyzing trace with hash 139211389, now seen corresponding path program 4 times [2020-04-17 18:49:33,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:49:33,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580330440] [2020-04-17 18:49:33,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:49:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:49:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:49:34,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580330440] [2020-04-17 18:49:34,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462530481] [2020-04-17 18:49:34,450 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:49:34,540 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-04-17 18:49:34,540 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 18:49:34,542 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core [2020-04-17 18:49:34,543 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:49:34,589 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:49:34,589 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 18:49:34,590 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:34,628 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 18:49:34,628 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:49:34,628 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 18:49:34,668 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:34,669 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:34,676 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:34,676 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:34,683 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:34,683 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:34,731 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:34,732 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:49:34,732 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 18:49:34,796 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:49:34,849 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:34,849 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:49:34,850 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:34,909 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:34,909 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:49:34,910 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,048 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 18:49:35,049 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 18:49:35,049 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 18:49:35,051 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,217 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 18:49:35,218 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 18:49:35,218 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:49:35,219 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 18:49:35,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:49:35,334 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:49:35,335 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,349 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:49:35,350 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,363 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:49:35,364 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,371 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:49:35,372 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,472 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-04-17 18:49:35,473 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:35,474 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:49:35,474 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:180 [2020-04-17 18:49:35,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 18:49:35,623 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:35,623 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:35,624 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,655 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:35,655 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:35,656 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,720 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:35,721 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 18:49:35,722 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,745 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:35,746 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:35,747 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:35,839 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:35,841 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:49:35,841 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:200, output treesize:175 [2020-04-17 18:49:35,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:36,003 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 40 [2020-04-17 18:49:36,003 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:36,012 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:49:36,013 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:36,037 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:36,038 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 18:49:36,038 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:158, output treesize:51 [2020-04-17 18:49:36,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:36,124 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 18:49:36,125 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:36,149 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:36,150 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-04-17 18:49:36,151 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:90, output treesize:58 [2020-04-17 18:49:36,213 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 18:49:36,213 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:36,230 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:36,231 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:49:36,231 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:65, output treesize:9 [2020-04-17 18:49:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:49:36,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:49:36,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 18:49:36,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332264521] [2020-04-17 18:49:36,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 18:49:36,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:49:36,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 18:49:36,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2020-04-17 18:49:36,257 INFO L87 Difference]: Start difference. First operand 74878 states and 389220 transitions. Second operand 22 states. [2020-04-17 18:49:36,685 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-04-17 18:49:36,864 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-04-17 18:49:42,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:49:42,653 INFO L93 Difference]: Finished difference Result 134426 states and 697629 transitions. [2020-04-17 18:49:42,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-04-17 18:49:42,653 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 18:49:42,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:49:43,177 INFO L225 Difference]: With dead ends: 134426 [2020-04-17 18:49:43,178 INFO L226 Difference]: Without dead ends: 134426 [2020-04-17 18:49:43,178 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=293, Invalid=1599, Unknown=0, NotChecked=0, Total=1892 [2020-04-17 18:49:43,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134426 states. [2020-04-17 18:49:46,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134426 to 77100. [2020-04-17 18:49:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77100 states. [2020-04-17 18:49:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77100 states to 77100 states and 401858 transitions. [2020-04-17 18:49:47,191 INFO L78 Accepts]: Start accepts. Automaton has 77100 states and 401858 transitions. Word has length 15 [2020-04-17 18:49:47,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:49:47,191 INFO L479 AbstractCegarLoop]: Abstraction has 77100 states and 401858 transitions. [2020-04-17 18:49:47,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 18:49:47,191 INFO L276 IsEmpty]: Start isEmpty. Operand 77100 states and 401858 transitions. [2020-04-17 18:49:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:49:47,195 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:49:47,195 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:49:47,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:49:47,399 INFO L427 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:49:47,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:49:47,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1948809090, now seen corresponding path program 2 times [2020-04-17 18:49:47,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:49:47,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281359287] [2020-04-17 18:49:47,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:49:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:49:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:49:47,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281359287] [2020-04-17 18:49:47,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693346144] [2020-04-17 18:49:47,941 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:49:48,033 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 18:49:48,033 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 18:49:48,035 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 31 conjunts are in the unsatisfiable core [2020-04-17 18:49:48,037 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:49:48,079 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:49:48,079 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 18:49:48,080 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,116 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 18:49:48,116 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,117 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 18:49:48,160 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:48,161 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,168 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:48,169 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,175 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:49:48,175 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,219 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:48,220 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:49:48,220 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 18:49:48,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:49:48,349 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:48,350 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:49:48,350 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,404 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:48,404 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:49:48,405 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,527 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 18:49:48,528 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 18:49:48,528 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 18:49:48,529 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,704 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 18:49:48,705 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 18:49:48,705 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:49:48,705 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 18:49:48,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:49:48,826 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:49:48,827 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,839 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:49:48,840 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,855 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:49:48,855 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,865 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:49:48,865 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:48,961 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:48,962 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:49:48,963 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:180 [2020-04-17 18:49:49,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 18:49:49,177 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:49,178 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 18:49:49,179 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:49,211 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:49,211 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:49,215 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:49,245 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:49,246 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:49,247 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:49,275 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:49,276 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:49:49,277 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:49,370 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:49,372 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:49:49,372 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:200, output treesize:175 [2020-04-17 18:49:49,647 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-04-17 18:49:49,746 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:49,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:49,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:49,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:49,750 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:49,753 INFO L435 ElimStorePlain]: Different costs {12=[|v_#memory_int_844|], 18=[v_prenex_101]} [2020-04-17 18:49:49,769 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2020-04-17 18:49:49,770 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:49,782 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2020-04-17 18:49:49,783 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:54,780 WARN L192 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-04-17 18:49:54,780 INFO L619 ElimStorePlain]: treesize reduction 146, result has 54.2 percent of original size [2020-04-17 18:49:54,799 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 36 [2020-04-17 18:49:54,800 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:54,810 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 36 [2020-04-17 18:49:54,810 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:54,870 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:54,871 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2020-04-17 18:49:54,871 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:351, output treesize:113 [2020-04-17 18:49:54,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:54,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:54,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:49:54,996 INFO L435 ElimStorePlain]: Different costs {12=[v_prenex_109, v_prenex_104], 18=[v_prenex_111, |v_#memory_int_845|]} [2020-04-17 18:49:55,018 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2020-04-17 18:49:55,019 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:55,241 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-04-17 18:49:55,242 INFO L619 ElimStorePlain]: treesize reduction 214, result has 36.9 percent of original size [2020-04-17 18:49:55,251 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2020-04-17 18:49:55,251 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:55,312 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:55,313 INFO L507 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2020-04-17 18:49:55,313 INFO L507 ElimStorePlain]: Eliminatee |v_#memory_int_845| vanished before elimination [2020-04-17 18:49:55,314 INFO L539 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 4 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2020-04-17 18:49:55,314 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 18 variables, input treesize:343, output treesize:121 [2020-04-17 18:49:55,457 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2020-04-17 18:49:55,458 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:49:55,476 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:49:55,477 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:49:55,477 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:79, output treesize:9 [2020-04-17 18:49:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:49:55,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:49:55,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-04-17 18:49:55,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821661387] [2020-04-17 18:49:55,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-17 18:49:55,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:49:55,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-17 18:49:55,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-04-17 18:49:55,511 INFO L87 Difference]: Start difference. First operand 77100 states and 401858 transitions. Second operand 23 states. [2020-04-17 18:49:55,826 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2020-04-17 18:49:56,196 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-04-17 18:49:56,487 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2020-04-17 18:49:56,887 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2020-04-17 18:49:57,729 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2020-04-17 18:49:59,201 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-04-17 18:50:01,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:50:01,966 INFO L93 Difference]: Finished difference Result 122213 states and 630922 transitions. [2020-04-17 18:50:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-04-17 18:50:01,966 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 15 [2020-04-17 18:50:01,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:50:02,980 INFO L225 Difference]: With dead ends: 122213 [2020-04-17 18:50:02,980 INFO L226 Difference]: Without dead ends: 122213 [2020-04-17 18:50:02,981 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=245, Invalid=1395, Unknown=0, NotChecked=0, Total=1640 [2020-04-17 18:50:03,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122213 states. [2020-04-17 18:50:08,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122213 to 78124. [2020-04-17 18:50:08,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78124 states. [2020-04-17 18:50:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78124 states to 78124 states and 407787 transitions. [2020-04-17 18:50:09,202 INFO L78 Accepts]: Start accepts. Automaton has 78124 states and 407787 transitions. Word has length 15 [2020-04-17 18:50:09,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:50:09,202 INFO L479 AbstractCegarLoop]: Abstraction has 78124 states and 407787 transitions. [2020-04-17 18:50:09,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-17 18:50:09,202 INFO L276 IsEmpty]: Start isEmpty. Operand 78124 states and 407787 transitions. [2020-04-17 18:50:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:50:09,206 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:50:09,206 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:50:09,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:50:09,409 INFO L427 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:50:09,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:50:09,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1909477925, now seen corresponding path program 5 times [2020-04-17 18:50:09,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:50:09,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544335592] [2020-04-17 18:50:09,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:50:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:50:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:50:09,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544335592] [2020-04-17 18:50:09,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663949308] [2020-04-17 18:50:09,885 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:50:09,978 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 18:50:09,978 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 18:50:09,980 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 29 conjunts are in the unsatisfiable core [2020-04-17 18:50:09,982 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:50:10,025 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:50:10,025 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 18:50:10,026 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,065 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 18:50:10,065 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,066 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 18:50:10,103 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:50:10,104 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,114 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:50:10,114 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,121 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:50:10,122 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,172 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:10,172 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:50:10,173 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 18:50:10,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:50:10,292 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:10,293 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:50:10,294 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,434 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 18:50:10,434 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 18:50:10,435 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 18:50:10,436 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,481 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:10,482 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:50:10,483 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,664 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 18:50:10,665 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 18:50:10,665 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:50:10,666 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 18:50:10,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:50:10,786 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:50:10,786 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,799 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:50:10,800 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,813 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:50:10,813 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,821 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:50:10,822 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:10,919 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:10,920 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:50:10,920 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:180 [2020-04-17 18:50:11,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 18:50:11,079 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:11,080 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:50:11,080 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:11,112 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:11,112 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:50:11,113 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:11,145 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:11,146 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:50:11,147 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:11,197 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:11,197 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 18:50:11,198 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:11,289 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:11,291 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:50:11,291 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:200, output treesize:175 [2020-04-17 18:50:11,566 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-04-17 18:50:11,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:50:11,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:50:11,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:50:11,666 INFO L435 ElimStorePlain]: Different costs {6=[|v_#memory_int_848|, v_prenex_124], 10=[v_prenex_119, v_prenex_122]} [2020-04-17 18:50:11,685 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2020-04-17 18:50:11,685 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:11,917 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 67 [2020-04-17 18:50:11,918 INFO L619 ElimStorePlain]: treesize reduction 162, result has 51.6 percent of original size [2020-04-17 18:50:11,918 INFO L507 ElimStorePlain]: Eliminatee v_prenex_124 vanished before elimination [2020-04-17 18:50:11,940 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 36 [2020-04-17 18:50:11,940 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:12,007 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:12,018 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 36 [2020-04-17 18:50:12,019 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:12,083 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:12,084 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2020-04-17 18:50:12,085 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:351, output treesize:113 [2020-04-17 18:50:12,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:50:12,188 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:50:12,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:50:12,195 INFO L435 ElimStorePlain]: Different costs {12=[v_prenex_133, v_prenex_125], 18=[v_prenex_129, |v_#memory_int_849|]} [2020-04-17 18:50:12,212 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2020-04-17 18:50:12,212 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:12,363 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 70 [2020-04-17 18:50:12,364 INFO L619 ElimStorePlain]: treesize reduction 204, result has 38.0 percent of original size [2020-04-17 18:50:12,372 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2020-04-17 18:50:12,372 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:12,437 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:12,438 INFO L507 ElimStorePlain]: Eliminatee v_prenex_129 vanished before elimination [2020-04-17 18:50:12,438 INFO L507 ElimStorePlain]: Eliminatee |v_#memory_int_849| vanished before elimination [2020-04-17 18:50:12,439 INFO L539 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 4 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2020-04-17 18:50:12,439 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 20 variables, input treesize:335, output treesize:121 [2020-04-17 18:50:12,574 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2020-04-17 18:50:12,575 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:12,593 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:12,593 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:50:12,594 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:79, output treesize:9 [2020-04-17 18:50:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:50:12,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:50:12,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-04-17 18:50:12,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3753931] [2020-04-17 18:50:12,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-17 18:50:12,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:50:12,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-17 18:50:12,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2020-04-17 18:50:12,624 INFO L87 Difference]: Start difference. First operand 78124 states and 407787 transitions. Second operand 23 states. [2020-04-17 18:50:13,084 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-04-17 18:50:13,343 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-04-17 18:50:13,733 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-04-17 18:50:14,623 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2020-04-17 18:50:18,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:50:18,747 INFO L93 Difference]: Finished difference Result 110769 states and 571140 transitions. [2020-04-17 18:50:18,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-04-17 18:50:18,748 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 15 [2020-04-17 18:50:18,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:50:19,184 INFO L225 Difference]: With dead ends: 110769 [2020-04-17 18:50:19,184 INFO L226 Difference]: Without dead ends: 110769 [2020-04-17 18:50:19,185 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=201, Invalid=1059, Unknown=0, NotChecked=0, Total=1260 [2020-04-17 18:50:19,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110769 states. [2020-04-17 18:50:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110769 to 77820. [2020-04-17 18:50:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77820 states. [2020-04-17 18:50:22,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77820 states to 77820 states and 406278 transitions. [2020-04-17 18:50:22,769 INFO L78 Accepts]: Start accepts. Automaton has 77820 states and 406278 transitions. Word has length 15 [2020-04-17 18:50:22,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:50:22,769 INFO L479 AbstractCegarLoop]: Abstraction has 77820 states and 406278 transitions. [2020-04-17 18:50:22,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-17 18:50:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 77820 states and 406278 transitions. [2020-04-17 18:50:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:50:22,773 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:50:22,773 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:50:22,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:50:22,977 INFO L427 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 18:50:22,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:50:22,978 INFO L82 PathProgramCache]: Analyzing trace with hash 105019446, now seen corresponding path program 3 times [2020-04-17 18:50:22,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:50:22,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747367650] [2020-04-17 18:50:22,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:50:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:50:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:50:23,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747367650] [2020-04-17 18:50:23,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226018227] [2020-04-17 18:50:23,606 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:50:23,707 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-04-17 18:50:23,708 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 18:50:23,708 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 27 conjunts are in the unsatisfiable core [2020-04-17 18:50:23,709 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:50:23,758 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 18:50:23,759 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 18:50:23,759 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:23,795 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 18:50:23,795 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:50:23,796 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 18:50:23,843 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:50:23,843 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:23,854 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:50:23,855 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:23,865 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 18:50:23,866 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:23,908 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:23,909 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:50:23,909 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 18:50:23,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:50:24,122 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 18:50:24,123 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 18:50:24,123 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 18:50:24,125 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,177 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:24,178 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:50:24,178 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,222 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:24,222 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 18:50:24,223 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,400 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 18:50:24,402 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 18:50:24,402 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 18:50:24,402 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 18:50:24,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 18:50:24,516 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:50:24,517 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,531 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:50:24,532 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,545 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:50:24,546 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,554 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 18:50:24,554 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,649 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:24,650 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:50:24,651 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:180 [2020-04-17 18:50:24,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 18:50:24,802 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:24,803 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:50:24,803 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,835 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:24,836 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:50:24,836 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,870 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:24,871 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 18:50:24,871 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:24,919 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:24,919 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 18:50:24,920 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:29,535 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:29,537 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 18:50:29,537 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:200, output treesize:175 [2020-04-17 18:50:29,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:50:29,707 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 40 [2020-04-17 18:50:29,708 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:29,718 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 18:50:29,718 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:29,771 INFO L619 ElimStorePlain]: treesize reduction 56, result has 47.7 percent of original size [2020-04-17 18:50:29,772 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 18:50:29,773 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:158, output treesize:51 [2020-04-17 18:50:29,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 18:50:29,869 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 18:50:29,870 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:29,897 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:29,898 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-04-17 18:50:29,898 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:90, output treesize:58 [2020-04-17 18:50:29,946 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 18:50:29,947 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 18:50:29,966 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 18:50:29,967 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 18:50:29,967 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:65, output treesize:9 [2020-04-17 18:50:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:50:29,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:50:29,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 18:50:29,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346978141] [2020-04-17 18:50:29,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 18:50:29,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:50:29,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 18:50:29,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2020-04-17 18:50:29,994 INFO L87 Difference]: Start difference. First operand 77820 states and 406278 transitions. Second operand 22 states. [2020-04-17 18:50:30,154 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2020-04-17 18:50:30,419 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-04-17 18:50:30,599 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-04-17 18:50:32,582 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-04-17 18:50:33,156 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-04-17 18:50:36,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:50:36,901 INFO L93 Difference]: Finished difference Result 136792 states and 708437 transitions. [2020-04-17 18:50:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-04-17 18:50:36,902 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 18:50:36,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. Received shutdown request... [2020-04-17 18:50:37,470 INFO L225 Difference]: With dead ends: 136792 [2020-04-17 18:50:37,471 INFO L226 Difference]: Without dead ends: 136792 [2020-04-17 18:50:37,471 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2020-04-17 18:50:38,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136792 states. [2020-04-17 18:50:38,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:50:38,224 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-17 18:50:38,228 WARN L228 ceAbstractionStarter]: Timeout [2020-04-17 18:50:38,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 06:50:38 BasicIcfg [2020-04-17 18:50:38,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 18:50:38,230 INFO L168 Benchmark]: Toolchain (without parser) took 213200.09 ms. Allocated memory was 143.7 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 99.8 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2020-04-17 18:50:38,230 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 143.7 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-04-17 18:50:38,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.29 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 97.6 MB in the beginning and 158.1 MB in the end (delta: -60.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-04-17 18:50:38,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.95 ms. Allocated memory is still 200.3 MB. Free memory was 158.1 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-17 18:50:38,231 INFO L168 Benchmark]: Boogie Preprocessor took 61.67 ms. Allocated memory is still 200.3 MB. Free memory was 156.0 MB in the beginning and 154.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-17 18:50:38,231 INFO L168 Benchmark]: RCFGBuilder took 635.19 ms. Allocated memory is still 200.3 MB. Free memory was 154.0 MB in the beginning and 114.1 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-04-17 18:50:38,231 INFO L168 Benchmark]: TraceAbstraction took 211618.43 ms. Allocated memory was 200.3 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 113.1 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-04-17 18:50:38,233 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 143.7 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.29 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 97.6 MB in the beginning and 158.1 MB in the end (delta: -60.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 88.95 ms. Allocated memory is still 200.3 MB. Free memory was 158.1 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.67 ms. Allocated memory is still 200.3 MB. Free memory was 156.0 MB in the beginning and 154.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 635.19 ms. Allocated memory is still 200.3 MB. Free memory was 154.0 MB in the beginning and 114.1 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211618.43 ms. Allocated memory was 200.3 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 113.1 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 48 ProgramPointsBefore, 16 ProgramPointsAfterwards, 50 TransitionsBefore, 16 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 306 VarBasedMoverChecksPositive, 17 VarBasedMoverChecksNegative, 8 SemBasedMoverChecksPositive, 11 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 528 CheckedPairsTotal, 42 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.0s, 78 ProgramPointsBefore, 28 ProgramPointsAfterwards, 82 TransitionsBefore, 29 TransitionsAfterwards, 3224 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 3 ChoiceCompositions, 1761 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 25 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 3947 CheckedPairsTotal, 67 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.6s, 108 ProgramPointsBefore, 39 ProgramPointsAfterwards, 114 TransitionsBefore, 41 TransitionsAfterwards, 7812 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 4217 VarBasedMoverChecksPositive, 106 VarBasedMoverChecksNegative, 59 SemBasedMoverChecksPositive, 66 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 0 MoverChecksTotal, 9794 CheckedPairsTotal, 96 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.4s, 138 ProgramPointsBefore, 48 ProgramPointsAfterwards, 146 TransitionsBefore, 51 TransitionsAfterwards, 14384 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 5 ChoiceCompositions, 7858 VarBasedMoverChecksPositive, 123 VarBasedMoverChecksNegative, 60 SemBasedMoverChecksPositive, 80 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 0 MoverChecksTotal, 18011 CheckedPairsTotal, 128 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 700]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 700). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 211.2s, OverallIterations: 20, TraceHistogramMax: 4, AutomataDifference: 104.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.5s, HoareTripleCheckerStatistics: 1614 SDtfs, 6843 SDslu, 10451 SDs, 0 SdLazy, 28448 SolverSat, 1680 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 447 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5006 ImplicationChecksByTransitivity, 53.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78124occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 45.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 364652 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 42.4s InterpolantComputationTime, 367 NumberOfCodeBlocks, 367 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 313 ConstructedInterpolants, 70 QuantifiedInterpolants, 224266 SizeOfPredicates, 335 NumberOfNonLiveVariables, 756 ConjunctsInSsa, 283 ConjunctsInUnsatCore, 27 InterpolantComputations, 7 PerfectInterpolantSequences, 6/40 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