/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:43:20,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:43:20,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:43:20,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:43:20,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:43:20,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:43:20,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:43:20,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:43:20,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:43:20,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:43:20,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:43:20,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:43:20,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:43:20,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:43:20,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:43:20,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:43:20,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:43:20,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:43:20,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:43:20,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:43:20,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:43:20,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:43:20,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:43:20,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:43:20,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 23:43:20,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:43:20,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:43:20,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:43:20,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:43:20,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:43:20,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:43:20,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:43:20,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:43:20,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:43:20,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:43:20,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:43:20,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-21 23:43:20,431 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:43:20,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:43:20,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:43:20,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:43:20,437 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:43:20,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:43:20,437 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:43:20,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:43:20,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:43:20,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:43:20,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:43:20,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:43:20,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:43:20,443 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:43:20,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:43:20,443 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:43:20,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:43:20,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:43:20,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:43:20,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:43:20,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:43:20,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:43:20,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:43:20,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:43:20,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:43:20,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:43:20,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:43:20,448 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-21 23:43:20,448 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:43:20,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:43:20,448 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-21 23:43:20,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:43:20,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:43:20,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:43:20,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:43:20,808 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:43:20,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2020-10-21 23:43:20,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19aca7d79/dde656db411a41e9b08407ac75bf1157/FLAG7259a8bc6 [2020-10-21 23:43:21,347 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:43:21,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2020-10-21 23:43:21,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19aca7d79/dde656db411a41e9b08407ac75bf1157/FLAG7259a8bc6 [2020-10-21 23:43:21,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19aca7d79/dde656db411a41e9b08407ac75bf1157 [2020-10-21 23:43:21,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:43:21,711 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:43:21,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:43:21,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:43:21,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:43:21,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:43:21" (1/1) ... [2020-10-21 23:43:21,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fadf78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:21, skipping insertion in model container [2020-10-21 23:43:21,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:43:21" (1/1) ... [2020-10-21 23:43:21,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:43:21,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:43:22,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:43:22,400 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:43:22,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:43:22,517 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:43:22,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22 WrapperNode [2020-10-21 23:43:22,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:43:22,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:43:22,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:43:22,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:43:22,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:43:22,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:43:22,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:43:22,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:43:22,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (1/1) ... [2020-10-21 23:43:22,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:43:22,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:43:22,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:43:22,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:43:22,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (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 [2020-10-21 23:43:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 23:43:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-21 23:43:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-21 23:43:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:43:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:43:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:43:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:43:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:43:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:43:22,677 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:43:23,204 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:43:23,204 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-21 23:43:23,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:43:23 BoogieIcfgContainer [2020-10-21 23:43:23,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:43:23,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:43:23,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:43:23,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:43:23,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:43:21" (1/3) ... [2020-10-21 23:43:23,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5185d7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:43:23, skipping insertion in model container [2020-10-21 23:43:23,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:43:22" (2/3) ... [2020-10-21 23:43:23,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5185d7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:43:23, skipping insertion in model container [2020-10-21 23:43:23,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:43:23" (3/3) ... [2020-10-21 23:43:23,222 INFO L111 eAbstractionObserver]: Analyzing ICFG 02_inc_cas.i [2020-10-21 23:43:23,234 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:43:23,234 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:43:23,243 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 23:43:23,244 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:43:23,279 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,279 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,280 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,280 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,280 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,282 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,284 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,286 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,286 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,287 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,287 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,288 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,288 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,289 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,290 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,290 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,290 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,290 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,290 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,292 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,293 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,293 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,294 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,294 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,294 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,295 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,295 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,295 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,309 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,309 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:23,323 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:43:23,339 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-21 23:43:23,366 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:43:23,366 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:43:23,366 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:43:23,367 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-21 23:43:23,368 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:43:23,368 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:43:23,368 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:43:23,368 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:43:23,387 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:43:23,388 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 59 transitions, 123 flow [2020-10-21 23:43:23,391 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 59 transitions, 123 flow [2020-10-21 23:43:23,394 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 56 places, 59 transitions, 123 flow [2020-10-21 23:43:23,442 INFO L129 PetriNetUnfolder]: 7/67 cut-off events. [2020-10-21 23:43:23,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:43:23,449 INFO L80 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 67 events. 7/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 120 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 45. Up to 4 conditions per place. [2020-10-21 23:43:23,451 INFO L116 LiptonReduction]: Number of co-enabled transitions 720 [2020-10-21 23:43:24,460 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-21 23:43:24,827 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-21 23:43:25,096 INFO L131 LiptonReduction]: Checked pairs total: 1148 [2020-10-21 23:43:25,097 INFO L133 LiptonReduction]: Total number of compositions: 56 [2020-10-21 23:43:25,110 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 16 transitions, 37 flow [2020-10-21 23:43:25,136 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-10-21 23:43:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-21 23:43:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 23:43:25,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:25,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-21 23:43:25,159 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:43:25,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:25,165 INFO L82 PathProgramCache]: Analyzing trace with hash 311246055, now seen corresponding path program 1 times [2020-10-21 23:43:25,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:25,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173098212] [2020-10-21 23:43:25,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:25,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173098212] [2020-10-21 23:43:25,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:43:25,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:43:25,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [479228979] [2020-10-21 23:43:25,360 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:25,363 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:25,374 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-21 23:43:25,374 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:25,378 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:25,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 23:43:25,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:25,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 23:43:25,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:43:25,397 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-10-21 23:43:25,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:25,403 INFO L93 Difference]: Finished difference Result 35 states and 63 transitions. [2020-10-21 23:43:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 23:43:25,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-21 23:43:25,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:25,413 INFO L225 Difference]: With dead ends: 35 [2020-10-21 23:43:25,413 INFO L226 Difference]: Without dead ends: 35 [2020-10-21 23:43:25,414 INFO L677 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 [2020-10-21 23:43:25,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-21 23:43:25,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-21 23:43:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-21 23:43:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 63 transitions. [2020-10-21 23:43:25,450 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 63 transitions. Word has length 6 [2020-10-21 23:43:25,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:43:25,450 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 63 transitions. [2020-10-21 23:43:25,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 23:43:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2020-10-21 23:43:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 23:43:25,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:25,451 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-21 23:43:25,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:43:25,452 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:43:25,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:25,452 INFO L82 PathProgramCache]: Analyzing trace with hash 311165406, now seen corresponding path program 1 times [2020-10-21 23:43:25,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:25,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932327350] [2020-10-21 23:43:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:43:25,493 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:43:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:43:25,512 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:43:25,555 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:43:25,555 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:43:25,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:43:25,557 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 23:43:25,558 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-21 23:43:25,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,591 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,591 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,610 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:25,645 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:43:25,646 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-21 23:43:25,646 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:43:25,646 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:43:25,646 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:43:25,646 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-21 23:43:25,646 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:43:25,646 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:43:25,647 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:43:25,647 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:43:25,651 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:43:25,651 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 96 transitions, 204 flow [2020-10-21 23:43:25,651 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 96 transitions, 204 flow [2020-10-21 23:43:25,652 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 96 transitions, 204 flow [2020-10-21 23:43:25,701 INFO L129 PetriNetUnfolder]: 13/113 cut-off events. [2020-10-21 23:43:25,701 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-21 23:43:25,706 INFO L80 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 13/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 333 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 81. Up to 6 conditions per place. [2020-10-21 23:43:25,711 INFO L116 LiptonReduction]: Number of co-enabled transitions 4104 [2020-10-21 23:43:27,451 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-10-21 23:43:27,554 INFO L131 LiptonReduction]: Checked pairs total: 6341 [2020-10-21 23:43:27,554 INFO L133 LiptonReduction]: Total number of compositions: 94 [2020-10-21 23:43:27,554 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 28 transitions, 68 flow [2020-10-21 23:43:27,573 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 396 states. [2020-10-21 23:43:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2020-10-21 23:43:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 23:43:27,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:27,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-21 23:43:27,575 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:43:27,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:27,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1697411292, now seen corresponding path program 1 times [2020-10-21 23:43:27,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:27,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959856463] [2020-10-21 23:43:27,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:27,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959856463] [2020-10-21 23:43:27,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:43:27,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:43:27,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1723226552] [2020-10-21 23:43:27,635 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:27,637 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:27,640 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-21 23:43:27,640 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:27,640 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:27,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 23:43:27,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:27,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 23:43:27,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:43:27,644 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 2 states. [2020-10-21 23:43:27,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:27,665 INFO L93 Difference]: Finished difference Result 315 states and 914 transitions. [2020-10-21 23:43:27,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 23:43:27,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-21 23:43:27,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:27,674 INFO L225 Difference]: With dead ends: 315 [2020-10-21 23:43:27,675 INFO L226 Difference]: Without dead ends: 315 [2020-10-21 23:43:27,675 INFO L677 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 [2020-10-21 23:43:27,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-21 23:43:27,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2020-10-21 23:43:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-10-21 23:43:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 914 transitions. [2020-10-21 23:43:27,719 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 914 transitions. Word has length 6 [2020-10-21 23:43:27,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:43:27,720 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 914 transitions. [2020-10-21 23:43:27,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 23:43:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 914 transitions. [2020-10-21 23:43:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:43:27,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:27,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:43:27,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:43:27,722 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:43:27,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:27,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1358467330, now seen corresponding path program 1 times [2020-10-21 23:43:27,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:27,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488285699] [2020-10-21 23:43:27,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:27,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488285699] [2020-10-21 23:43:27,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:43:27,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-21 23:43:27,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1124304120] [2020-10-21 23:43:27,986 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:27,987 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:27,989 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-21 23:43:27,990 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:27,990 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:27,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 23:43:27,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:27,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 23:43:27,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:43:27,991 INFO L87 Difference]: Start difference. First operand 315 states and 914 transitions. Second operand 9 states. [2020-10-21 23:43:28,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:28,550 INFO L93 Difference]: Finished difference Result 854 states and 2481 transitions. [2020-10-21 23:43:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-21 23:43:28,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2020-10-21 23:43:28,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:28,568 INFO L225 Difference]: With dead ends: 854 [2020-10-21 23:43:28,568 INFO L226 Difference]: Without dead ends: 854 [2020-10-21 23:43:28,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-21 23:43:28,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-10-21 23:43:28,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 506. [2020-10-21 23:43:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-10-21 23:43:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 1487 transitions. [2020-10-21 23:43:28,653 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 1487 transitions. Word has length 9 [2020-10-21 23:43:28,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:43:28,654 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 1487 transitions. [2020-10-21 23:43:28,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 23:43:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1487 transitions. [2020-10-21 23:43:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:43:28,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:28,659 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-21 23:43:28,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:43:28,660 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:43:28,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:28,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1610410085, now seen corresponding path program 1 times [2020-10-21 23:43:28,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:28,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774913692] [2020-10-21 23:43:28,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:43:28,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:43:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:43:28,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:43:28,746 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:43:28,746 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:43:28,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:43:28,747 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 23:43:28,752 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-21 23:43:28,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,805 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,807 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,808 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:28,819 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:43:28,819 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 23:43:28,819 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:43:28,819 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:43:28,820 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:43:28,820 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-21 23:43:28,820 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:43:28,820 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:43:28,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:43:28,820 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:43:28,823 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:43:28,825 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 133 transitions, 287 flow [2020-10-21 23:43:28,826 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 133 transitions, 287 flow [2020-10-21 23:43:28,826 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 124 places, 133 transitions, 287 flow [2020-10-21 23:43:28,880 INFO L129 PetriNetUnfolder]: 19/159 cut-off events. [2020-10-21 23:43:28,880 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-21 23:43:28,888 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 159 events. 19/159 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 570 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 117. Up to 8 conditions per place. [2020-10-21 23:43:28,899 INFO L116 LiptonReduction]: Number of co-enabled transitions 10152 [2020-10-21 23:43:30,558 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-10-21 23:43:30,820 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-21 23:43:31,133 INFO L131 LiptonReduction]: Checked pairs total: 15242 [2020-10-21 23:43:31,134 INFO L133 LiptonReduction]: Total number of compositions: 129 [2020-10-21 23:43:31,134 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 39 transitions, 99 flow [2020-10-21 23:43:31,296 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3204 states. [2020-10-21 23:43:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states. [2020-10-21 23:43:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 23:43:31,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:31,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-21 23:43:31,298 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:43:31,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:31,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1343246910, now seen corresponding path program 1 times [2020-10-21 23:43:31,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:31,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606848123] [2020-10-21 23:43:31,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:31,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606848123] [2020-10-21 23:43:31,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:43:31,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:43:31,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1071011549] [2020-10-21 23:43:31,324 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:31,325 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:31,325 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-21 23:43:31,326 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:31,326 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:31,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 23:43:31,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:31,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 23:43:31,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:43:31,327 INFO L87 Difference]: Start difference. First operand 3204 states. Second operand 2 states. [2020-10-21 23:43:31,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:31,373 INFO L93 Difference]: Finished difference Result 2547 states and 10225 transitions. [2020-10-21 23:43:31,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 23:43:31,374 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-21 23:43:31,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:31,404 INFO L225 Difference]: With dead ends: 2547 [2020-10-21 23:43:31,404 INFO L226 Difference]: Without dead ends: 2547 [2020-10-21 23:43:31,405 INFO L677 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 [2020-10-21 23:43:31,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2020-10-21 23:43:31,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 2547. [2020-10-21 23:43:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2547 states. [2020-10-21 23:43:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2547 states and 10225 transitions. [2020-10-21 23:43:31,568 INFO L78 Accepts]: Start accepts. Automaton has 2547 states and 10225 transitions. Word has length 6 [2020-10-21 23:43:31,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:43:31,568 INFO L481 AbstractCegarLoop]: Abstraction has 2547 states and 10225 transitions. [2020-10-21 23:43:31,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 23:43:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 10225 transitions. [2020-10-21 23:43:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:43:31,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:31,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:43:31,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:43:31,570 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:43:31,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash -419462938, now seen corresponding path program 1 times [2020-10-21 23:43:31,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:31,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73096887] [2020-10-21 23:43:31,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:31,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73096887] [2020-10-21 23:43:31,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:43:31,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:43:31,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [854628739] [2020-10-21 23:43:31,700 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:31,701 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:31,702 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-21 23:43:31,702 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:31,703 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:31,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:43:31,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:31,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:43:31,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:43:31,704 INFO L87 Difference]: Start difference. First operand 2547 states and 10225 transitions. Second operand 7 states. [2020-10-21 23:43:32,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:32,628 INFO L93 Difference]: Finished difference Result 4847 states and 18929 transitions. [2020-10-21 23:43:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-21 23:43:32,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 9 [2020-10-21 23:43:32,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:32,675 INFO L225 Difference]: With dead ends: 4847 [2020-10-21 23:43:32,675 INFO L226 Difference]: Without dead ends: 4847 [2020-10-21 23:43:32,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-21 23:43:32,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2020-10-21 23:43:32,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 3694. [2020-10-21 23:43:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3694 states. [2020-10-21 23:43:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 14955 transitions. [2020-10-21 23:43:32,919 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 14955 transitions. Word has length 9 [2020-10-21 23:43:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:43:32,919 INFO L481 AbstractCegarLoop]: Abstraction has 3694 states and 14955 transitions. [2020-10-21 23:43:32,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:43:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 14955 transitions. [2020-10-21 23:43:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:43:32,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:32,930 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:43:32,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:43:32,931 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:43:32,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:32,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1946506331, now seen corresponding path program 1 times [2020-10-21 23:43:32,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:32,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386727655] [2020-10-21 23:43:32,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:33,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386727655] [2020-10-21 23:43:33,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364069936] [2020-10-21 23:43:33,127 INFO L95 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 [2020-10-21 23:43:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:33,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 39 conjunts are in the unsatisfiable core [2020-10-21 23:43:33,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:43:33,354 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-21 23:43:33,355 INFO L384 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 4 case distinctions, treesize of input 81 treesize of output 107 [2020-10-21 23:43:33,363 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:33,429 INFO L625 ElimStorePlain]: treesize reduction 50, result has 53.7 percent of original size [2020-10-21 23:43:33,436 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:43:33,441 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:43:33,442 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:58 [2020-10-21 23:43:33,445 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:43:33,519 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:43:33,566 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:33,567 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:33,576 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:33,577 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:33,587 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:33,588 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:33,597 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:33,598 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:33,606 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:33,607 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:33,784 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-10-21 23:43:33,785 INFO L625 ElimStorePlain]: treesize reduction 50, result has 79.8 percent of original size [2020-10-21 23:43:33,790 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:43:33,790 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:267, output treesize:197 [2020-10-21 23:43:33,959 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-10-21 23:43:33,964 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:43:34,022 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:34,023 INFO L384 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 [2020-10-21 23:43:34,025 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:34,104 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:34,104 INFO L384 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 [2020-10-21 23:43:34,106 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:34,139 INFO L625 ElimStorePlain]: treesize reduction 40, result has 40.3 percent of original size [2020-10-21 23:43:34,140 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:43:34,140 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:79, output treesize:27 [2020-10-21 23:43:34,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:43:34,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:43:34,231 INFO L384 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 [2020-10-21 23:43:34,232 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:34,245 INFO L384 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 64 treesize of output 40 [2020-10-21 23:43:34,246 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:34,289 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:34,293 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 23:43:34,293 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:134, output treesize:88 [2020-10-21 23:43:34,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:43:34,522 INFO L384 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 [2020-10-21 23:43:34,523 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:34,546 INFO L625 ElimStorePlain]: treesize reduction 10, result has 79.6 percent of original size [2020-10-21 23:43:34,551 INFO L545 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. [2020-10-21 23:43:34,552 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:39 [2020-10-21 23:43:34,619 INFO L384 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 [2020-10-21 23:43:34,621 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:34,628 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:34,630 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:43:34,631 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:46, output treesize:9 [2020-10-21 23:43:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:34,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 23:43:34,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2020-10-21 23:43:34,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1296540040] [2020-10-21 23:43:34,652 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:34,653 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:34,656 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 19 transitions. [2020-10-21 23:43:34,656 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:34,737 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:43:34,741 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:34,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:43:34,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:34,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:43:34,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-21 23:43:34,743 INFO L87 Difference]: Start difference. First operand 3694 states and 14955 transitions. Second operand 8 states. [2020-10-21 23:43:35,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:35,898 INFO L93 Difference]: Finished difference Result 5823 states and 22917 transitions. [2020-10-21 23:43:35,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-21 23:43:35,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-21 23:43:35,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:35,969 INFO L225 Difference]: With dead ends: 5823 [2020-10-21 23:43:35,969 INFO L226 Difference]: Without dead ends: 5823 [2020-10-21 23:43:35,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2020-10-21 23:43:36,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5823 states. [2020-10-21 23:43:36,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5823 to 3662. [2020-10-21 23:43:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3662 states. [2020-10-21 23:43:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 3662 states and 14843 transitions. [2020-10-21 23:43:36,140 INFO L78 Accepts]: Start accepts. Automaton has 3662 states and 14843 transitions. Word has length 11 [2020-10-21 23:43:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:43:36,140 INFO L481 AbstractCegarLoop]: Abstraction has 3662 states and 14843 transitions. [2020-10-21 23:43:36,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:43:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 14843 transitions. [2020-10-21 23:43:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:43:36,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:36,142 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-21 23:43:36,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-21 23:43:36,357 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:43:36,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:36,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1271123734, now seen corresponding path program 1 times [2020-10-21 23:43:36,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:36,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103772195] [2020-10-21 23:43:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:43:36,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:43:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:43:36,393 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:43:36,407 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:43:36,408 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:43:36,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:43:36,408 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 23:43:36,409 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-21 23:43:36,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:43:36,497 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:43:36,498 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 23:43:36,498 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:43:36,498 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:43:36,498 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:43:36,498 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-21 23:43:36,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:43:36,498 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:43:36,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:43:36,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:43:36,502 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:43:36,504 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 170 transitions, 372 flow [2020-10-21 23:43:36,505 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 170 transitions, 372 flow [2020-10-21 23:43:36,505 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 158 places, 170 transitions, 372 flow [2020-10-21 23:43:36,560 INFO L129 PetriNetUnfolder]: 25/205 cut-off events. [2020-10-21 23:43:36,560 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-21 23:43:36,565 INFO L80 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 205 events. 25/205 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 795 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 167. Up to 10 conditions per place. [2020-10-21 23:43:36,583 INFO L116 LiptonReduction]: Number of co-enabled transitions 18864 [2020-10-21 23:43:38,147 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-10-21 23:43:38,745 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-21 23:43:38,942 INFO L131 LiptonReduction]: Checked pairs total: 31067 [2020-10-21 23:43:38,942 INFO L133 LiptonReduction]: Total number of compositions: 168 [2020-10-21 23:43:38,944 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 51 transitions, 134 flow [2020-10-21 23:43:42,289 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 28552 states. [2020-10-21 23:43:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 28552 states. [2020-10-21 23:43:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 23:43:42,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:42,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-21 23:43:42,290 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:43:42,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:42,290 INFO L82 PathProgramCache]: Analyzing trace with hash 735514646, now seen corresponding path program 1 times [2020-10-21 23:43:42,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:42,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022466463] [2020-10-21 23:43:42,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:42,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022466463] [2020-10-21 23:43:42,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:43:42,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:43:42,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [83101256] [2020-10-21 23:43:42,306 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:42,306 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:42,307 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-21 23:43:42,307 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:42,307 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:42,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 23:43:42,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:42,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 23:43:42,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:43:42,308 INFO L87 Difference]: Start difference. First operand 28552 states. Second operand 2 states. [2020-10-21 23:43:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:42,562 INFO L93 Difference]: Finished difference Result 22710 states and 116583 transitions. [2020-10-21 23:43:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 23:43:42,563 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-21 23:43:42,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:42,739 INFO L225 Difference]: With dead ends: 22710 [2020-10-21 23:43:42,739 INFO L226 Difference]: Without dead ends: 22710 [2020-10-21 23:43:42,739 INFO L677 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 [2020-10-21 23:43:43,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22710 states. [2020-10-21 23:43:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22710 to 22710. [2020-10-21 23:43:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22710 states. [2020-10-21 23:43:44,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22710 states to 22710 states and 116583 transitions. [2020-10-21 23:43:44,070 INFO L78 Accepts]: Start accepts. Automaton has 22710 states and 116583 transitions. Word has length 6 [2020-10-21 23:43:44,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:43:44,070 INFO L481 AbstractCegarLoop]: Abstraction has 22710 states and 116583 transitions. [2020-10-21 23:43:44,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 23:43:44,070 INFO L276 IsEmpty]: Start isEmpty. Operand 22710 states and 116583 transitions. [2020-10-21 23:43:44,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:43:44,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:44,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:43:44,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:43:44,071 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:43:44,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:44,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1119616007, now seen corresponding path program 1 times [2020-10-21 23:43:44,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:44,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122531648] [2020-10-21 23:43:44,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:44,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122531648] [2020-10-21 23:43:44,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:43:44,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:43:44,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [187903542] [2020-10-21 23:43:44,221 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:44,222 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:44,223 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-21 23:43:44,223 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:44,224 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:44,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:43:44,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:44,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:43:44,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:43:44,225 INFO L87 Difference]: Start difference. First operand 22710 states and 116583 transitions. Second operand 8 states. [2020-10-21 23:43:46,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:46,524 INFO L93 Difference]: Finished difference Result 50891 states and 259552 transitions. [2020-10-21 23:43:46,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-21 23:43:46,524 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2020-10-21 23:43:46,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:46,869 INFO L225 Difference]: With dead ends: 50891 [2020-10-21 23:43:46,869 INFO L226 Difference]: Without dead ends: 50891 [2020-10-21 23:43:46,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-21 23:43:49,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50891 states. [2020-10-21 23:43:50,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50891 to 32623. [2020-10-21 23:43:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32623 states. [2020-10-21 23:43:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32623 states to 32623 states and 168245 transitions. [2020-10-21 23:43:50,976 INFO L78 Accepts]: Start accepts. Automaton has 32623 states and 168245 transitions. Word has length 9 [2020-10-21 23:43:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:43:50,977 INFO L481 AbstractCegarLoop]: Abstraction has 32623 states and 168245 transitions. [2020-10-21 23:43:50,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:43:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 32623 states and 168245 transitions. [2020-10-21 23:43:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:43:50,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:43:50,977 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:43:50,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:43:50,978 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:43:50,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:43:50,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1756537099, now seen corresponding path program 1 times [2020-10-21 23:43:50,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:43:50,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631944514] [2020-10-21 23:43:50,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:43:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:51,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631944514] [2020-10-21 23:43:51,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010415413] [2020-10-21 23:43:51,223 INFO L95 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 [2020-10-21 23:43:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:43:51,320 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 49 conjunts are in the unsatisfiable core [2020-10-21 23:43:51,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:43:51,418 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-21 23:43:51,419 INFO L384 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 4 case distinctions, treesize of input 245 treesize of output 259 [2020-10-21 23:43:51,421 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:51,518 INFO L625 ElimStorePlain]: treesize reduction 174, result has 26.0 percent of original size [2020-10-21 23:43:51,520 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:43:51,521 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:43:51,522 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:46, output treesize:61 [2020-10-21 23:43:51,523 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:43:51,561 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:43:51,575 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:51,576 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:51,584 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:51,585 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:51,595 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:51,596 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:51,606 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:51,607 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:51,615 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:43:51,616 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:51,822 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-10-21 23:43:51,823 INFO L625 ElimStorePlain]: treesize reduction 53, result has 79.8 percent of original size [2020-10-21 23:43:51,825 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:43:51,825 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:282, output treesize:209 [2020-10-21 23:43:51,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:43:52,009 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:52,010 INFO L384 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 [2020-10-21 23:43:52,011 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,046 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:52,047 INFO L384 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 [2020-10-21 23:43:52,049 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,543 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 23 [2020-10-21 23:43:52,544 INFO L625 ElimStorePlain]: treesize reduction 46, result has 41.8 percent of original size [2020-10-21 23:43:52,545 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,545 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:33 [2020-10-21 23:43:52,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:43:52,644 INFO L384 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 64 treesize of output 40 [2020-10-21 23:43:52,645 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,654 INFO L384 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 [2020-10-21 23:43:52,656 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,689 INFO L625 ElimStorePlain]: treesize reduction 4, result has 91.1 percent of original size [2020-10-21 23:43:52,689 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,690 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:146, output treesize:41 [2020-10-21 23:43:52,760 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:52,761 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 57 [2020-10-21 23:43:52,762 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,807 INFO L625 ElimStorePlain]: treesize reduction 20, result has 65.5 percent of original size [2020-10-21 23:43:52,808 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 23:43:52,809 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:38 [2020-10-21 23:43:52,941 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:52,942 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 29 [2020-10-21 23:43:52,943 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,955 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:43:52,957 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:43:52,957 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:52, output treesize:9 [2020-10-21 23:43:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:43:52,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 23:43:52,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 15 [2020-10-21 23:43:52,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2114996355] [2020-10-21 23:43:52,986 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:43:52,988 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:43:52,990 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 17 transitions. [2020-10-21 23:43:52,990 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:43:52,998 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-21 23:43:53,066 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:43:53,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 23:43:53,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:43:53,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 23:43:53,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-10-21 23:43:53,068 INFO L87 Difference]: Start difference. First operand 32623 states and 168245 transitions. Second operand 9 states. [2020-10-21 23:43:58,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:43:58,388 INFO L93 Difference]: Finished difference Result 59677 states and 304031 transitions. [2020-10-21 23:43:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-21 23:43:58,390 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-10-21 23:43:58,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:43:58,723 INFO L225 Difference]: With dead ends: 59677 [2020-10-21 23:43:58,723 INFO L226 Difference]: Without dead ends: 59677 [2020-10-21 23:43:58,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2020-10-21 23:43:59,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59677 states. [2020-10-21 23:44:02,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59677 to 32579. [2020-10-21 23:44:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32579 states. [2020-10-21 23:44:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32579 states to 32579 states and 168066 transitions. [2020-10-21 23:44:02,611 INFO L78 Accepts]: Start accepts. Automaton has 32579 states and 168066 transitions. Word has length 11 [2020-10-21 23:44:02,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:44:02,612 INFO L481 AbstractCegarLoop]: Abstraction has 32579 states and 168066 transitions. [2020-10-21 23:44:02,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 23:44:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32579 states and 168066 transitions. [2020-10-21 23:44:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:44:02,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:44:02,613 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:44:02,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-21 23:44:02,827 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:44:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:44:02,828 INFO L82 PathProgramCache]: Analyzing trace with hash 453053168, now seen corresponding path program 1 times [2020-10-21 23:44:02,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:44:02,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961543574] [2020-10-21 23:44:02,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:44:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:44:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-21 23:44:03,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961543574] [2020-10-21 23:44:03,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586089566] [2020-10-21 23:44:03,062 INFO L95 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 [2020-10-21 23:44:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:44:03,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 42 conjunts are in the unsatisfiable core [2020-10-21 23:44:03,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:44:03,590 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-21 23:44:03,591 INFO L384 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 4 case distinctions, treesize of input 58 treesize of output 86 [2020-10-21 23:44:03,595 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:03,658 INFO L625 ElimStorePlain]: treesize reduction 32, result has 64.4 percent of original size [2020-10-21 23:44:03,661 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:44:03,663 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:44:03,664 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:58 [2020-10-21 23:44:03,665 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:44:03,702 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:44:03,721 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:03,721 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:03,735 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:03,736 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:03,745 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:03,746 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:03,755 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:03,756 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:03,765 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:03,766 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:03,984 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-10-21 23:44:03,985 INFO L625 ElimStorePlain]: treesize reduction 50, result has 79.8 percent of original size [2020-10-21 23:44:03,987 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:44:03,988 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:267, output treesize:197 [2020-10-21 23:44:04,162 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-10-21 23:44:04,164 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:04,178 INFO L384 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 [2020-10-21 23:44:04,179 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:04,186 INFO L384 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 [2020-10-21 23:44:04,188 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:04,217 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:04,219 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-10-21 23:44:04,219 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:91, output treesize:69 [2020-10-21 23:44:04,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:04,335 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:04,335 INFO L384 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 [2020-10-21 23:44:04,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:04,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:44:04,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:04,341 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:04,372 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:04,373 INFO L384 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 [2020-10-21 23:44:04,374 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:04,375 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:44:04,376 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:04,378 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:04,440 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.0 percent of original size [2020-10-21 23:44:04,443 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-10-21 23:44:04,444 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:79, output treesize:67 [2020-10-21 23:44:04,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:04,604 INFO L384 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 64 treesize of output 40 [2020-10-21 23:44:04,605 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:04,616 INFO L384 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 [2020-10-21 23:44:04,617 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:04,660 INFO L625 ElimStorePlain]: treesize reduction 54, result has 41.9 percent of original size [2020-10-21 23:44:04,662 INFO L545 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. [2020-10-21 23:44:04,662 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:134, output treesize:39 [2020-10-21 23:44:04,788 INFO L384 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 41 treesize of output 21 [2020-10-21 23:44:04,789 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:04,798 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:04,799 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:44:04,800 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:56, output treesize:9 [2020-10-21 23:44:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:44:04,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 23:44:04,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 15 [2020-10-21 23:44:04,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [655349427] [2020-10-21 23:44:04,828 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:44:04,829 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:44:04,830 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-21 23:44:04,830 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:44:04,831 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:44:04,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 23:44:04,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:44:04,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 23:44:04,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2020-10-21 23:44:04,832 INFO L87 Difference]: Start difference. First operand 32579 states and 168066 transitions. Second operand 9 states. [2020-10-21 23:44:06,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:44:06,688 INFO L93 Difference]: Finished difference Result 79294 states and 404765 transitions. [2020-10-21 23:44:06,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-21 23:44:06,688 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-10-21 23:44:06,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:44:06,998 INFO L225 Difference]: With dead ends: 79294 [2020-10-21 23:44:06,998 INFO L226 Difference]: Without dead ends: 79294 [2020-10-21 23:44:06,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2020-10-21 23:44:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79294 states. [2020-10-21 23:44:11,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79294 to 50873. [2020-10-21 23:44:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50873 states. [2020-10-21 23:44:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50873 states to 50873 states and 261607 transitions. [2020-10-21 23:44:11,622 INFO L78 Accepts]: Start accepts. Automaton has 50873 states and 261607 transitions. Word has length 12 [2020-10-21 23:44:11,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:44:11,623 INFO L481 AbstractCegarLoop]: Abstraction has 50873 states and 261607 transitions. [2020-10-21 23:44:11,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 23:44:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 50873 states and 261607 transitions. [2020-10-21 23:44:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:44:11,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:44:11,625 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:44:11,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-21 23:44:11,826 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:44:11,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:44:11,827 INFO L82 PathProgramCache]: Analyzing trace with hash -2090900120, now seen corresponding path program 2 times [2020-10-21 23:44:11,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:44:11,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830641421] [2020-10-21 23:44:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:44:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:44:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-21 23:44:12,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830641421] [2020-10-21 23:44:12,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662193838] [2020-10-21 23:44:12,042 INFO L93 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 [2020-10-21 23:44:12,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 23:44:12,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 23:44:12,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 43 conjunts are in the unsatisfiable core [2020-10-21 23:44:12,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:44:12,246 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-21 23:44:12,247 INFO L384 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 4 case distinctions, treesize of input 81 treesize of output 107 [2020-10-21 23:44:12,249 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:12,351 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-10-21 23:44:12,352 INFO L625 ElimStorePlain]: treesize reduction 50, result has 53.7 percent of original size [2020-10-21 23:44:12,354 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:44:12,355 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:44:12,356 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:58 [2020-10-21 23:44:12,357 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:44:12,413 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:44:12,429 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:12,430 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:12,444 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:12,445 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:12,458 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:12,459 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:12,474 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:12,475 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:12,487 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:12,488 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:13,435 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-10-21 23:44:13,436 INFO L625 ElimStorePlain]: treesize reduction 50, result has 79.8 percent of original size [2020-10-21 23:44:13,439 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:44:13,439 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:267, output treesize:197 [2020-10-21 23:44:13,632 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-10-21 23:44:13,634 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:13,647 INFO L384 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 [2020-10-21 23:44:13,648 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:13,655 INFO L384 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 [2020-10-21 23:44:13,656 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:13,694 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:13,694 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 23:44:13,695 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:69 [2020-10-21 23:44:13,697 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:13,744 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:13,744 INFO L384 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 [2020-10-21 23:44:13,745 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:13,781 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:13,781 INFO L384 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 [2020-10-21 23:44:13,782 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:13,816 INFO L625 ElimStorePlain]: treesize reduction 40, result has 40.3 percent of original size [2020-10-21 23:44:13,816 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:44:13,817 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:79, output treesize:27 [2020-10-21 23:44:13,882 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:13,882 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:44:13,907 INFO L384 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 [2020-10-21 23:44:13,908 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:13,923 INFO L384 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 64 treesize of output 40 [2020-10-21 23:44:13,924 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:14,045 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 23:44:14,046 INFO L625 ElimStorePlain]: treesize reduction 12, result has 88.2 percent of original size [2020-10-21 23:44:14,050 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 23:44:14,050 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:88 [2020-10-21 23:44:14,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:14,274 INFO L384 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 [2020-10-21 23:44:14,275 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:14,289 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:14,292 INFO L545 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. [2020-10-21 23:44:14,293 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:39 [2020-10-21 23:44:14,368 INFO L384 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 [2020-10-21 23:44:14,370 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:14,384 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:14,385 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:44:14,386 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:46, output treesize:9 [2020-10-21 23:44:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 23:44:14,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 23:44:14,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2020-10-21 23:44:14,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1935306512] [2020-10-21 23:44:14,426 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:44:14,429 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:44:14,432 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 22 transitions. [2020-10-21 23:44:14,432 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:44:14,551 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:44:14,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:44:14,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:44:14,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:44:14,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-21 23:44:14,553 INFO L87 Difference]: Start difference. First operand 50873 states and 261607 transitions. Second operand 8 states. [2020-10-21 23:44:17,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:44:17,038 INFO L93 Difference]: Finished difference Result 86678 states and 432912 transitions. [2020-10-21 23:44:17,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-21 23:44:17,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-21 23:44:17,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:44:20,516 INFO L225 Difference]: With dead ends: 86678 [2020-10-21 23:44:20,516 INFO L226 Difference]: Without dead ends: 86678 [2020-10-21 23:44:20,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2020-10-21 23:44:20,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86678 states. [2020-10-21 23:44:22,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86678 to 59069. [2020-10-21 23:44:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59069 states. [2020-10-21 23:44:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59069 states to 59069 states and 302672 transitions. [2020-10-21 23:44:22,816 INFO L78 Accepts]: Start accepts. Automaton has 59069 states and 302672 transitions. Word has length 14 [2020-10-21 23:44:22,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:44:22,816 INFO L481 AbstractCegarLoop]: Abstraction has 59069 states and 302672 transitions. [2020-10-21 23:44:22,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:44:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 59069 states and 302672 transitions. [2020-10-21 23:44:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:44:22,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:44:22,819 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:44:23,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 23:44:23,020 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:44:23,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:44:23,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1285826282, now seen corresponding path program 1 times [2020-10-21 23:44:23,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:44:23,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588963388] [2020-10-21 23:44:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:44:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:44:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:44:23,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588963388] [2020-10-21 23:44:23,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130133200] [2020-10-21 23:44:23,529 INFO L95 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 [2020-10-21 23:44:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:44:23,627 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 71 conjunts are in the unsatisfiable core [2020-10-21 23:44:23,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:44:23,740 INFO L350 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2020-10-21 23:44:23,741 INFO L384 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 6 case distinctions, treesize of input 250 treesize of output 270 [2020-10-21 23:44:23,744 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 1] term [2020-10-21 23:44:23,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:23,748 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-21 23:44:23,748 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:44:23,754 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:23,869 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2020-10-21 23:44:23,870 INFO L625 ElimStorePlain]: treesize reduction 626, result has 9.0 percent of original size [2020-10-21 23:44:23,872 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-21 23:44:23,873 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:44:23,873 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:62 [2020-10-21 23:44:23,874 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-21 23:44:23,922 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-21 23:44:23,939 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:23,940 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:23,952 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:23,952 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:23,961 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:23,962 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:23,975 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:23,976 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:23,988 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:44:23,989 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:24,202 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-10-21 23:44:24,203 INFO L625 ElimStorePlain]: treesize reduction 54, result has 79.8 percent of original size [2020-10-21 23:44:24,208 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:44:24,208 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:287, output treesize:213 [2020-10-21 23:44:24,460 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-10-21 23:44:24,474 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-21 23:44:24,670 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-10-21 23:44:24,671 INFO L350 Elim1Store]: treesize reduction 16, result has 87.2 percent of original size [2020-10-21 23:44:24,672 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 32 treesize of output 129 [2020-10-21 23:44:24,673 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:24,846 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-10-21 23:44:24,847 INFO L350 Elim1Store]: treesize reduction 16, result has 87.2 percent of original size [2020-10-21 23:44:24,847 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 32 treesize of output 129 [2020-10-21 23:44:24,848 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:25,066 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-10-21 23:44:25,067 INFO L350 Elim1Store]: treesize reduction 48, result has 73.9 percent of original size [2020-10-21 23:44:25,067 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 37 treesize of output 159 [2020-10-21 23:44:25,068 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:25,403 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2020-10-21 23:44:25,404 INFO L625 ElimStorePlain]: treesize reduction 166, result has 59.2 percent of original size [2020-10-21 23:44:25,409 INFO L545 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. [2020-10-21 23:44:25,410 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:195, output treesize:241 [2020-10-21 23:44:25,658 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-21 23:44:26,439 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-21 23:44:26,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:44:26,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:44:26,484 INFO L384 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 26 treesize of output 21 [2020-10-21 23:44:26,486 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:26,499 INFO L384 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 26 treesize of output 21 [2020-10-21 23:44:26,501 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:26,514 INFO L384 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 26 treesize of output 21 [2020-10-21 23:44:26,515 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:26,526 INFO L384 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 [2020-10-21 23:44:26,528 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:26,706 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-21 23:44:26,706 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:26,716 INFO L545 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2020-10-21 23:44:26,716 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:341, output treesize:297 [2020-10-21 23:44:26,952 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-21 23:44:27,237 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-21 23:44:27,250 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 11, 1] term [2020-10-21 23:44:27,251 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-21 23:44:27,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:27,295 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:27,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:27,303 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:27,457 INFO L244 Elim1Store]: Index analysis took 114 ms [2020-10-21 23:44:27,551 INFO L384 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 64 treesize of output 40 [2020-10-21 23:44:27,552 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:27,626 INFO L384 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 [2020-10-21 23:44:27,627 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:28,626 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 164 [2020-10-21 23:44:28,627 INFO L625 ElimStorePlain]: treesize reduction 344, result has 55.1 percent of original size [2020-10-21 23:44:28,642 INFO L384 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 53 treesize of output 33 [2020-10-21 23:44:28,643 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:28,919 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-21 23:44:28,919 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:28,960 INFO L384 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 53 treesize of output 33 [2020-10-21 23:44:28,961 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:29,179 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-21 23:44:29,180 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:29,193 INFO L384 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 53 treesize of output 33 [2020-10-21 23:44:29,194 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:29,385 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-21 23:44:29,385 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:29,397 INFO L545 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. [2020-10-21 23:44:29,397 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 18 variables, input treesize:909, output treesize:345 [2020-10-21 23:44:29,660 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-21 23:44:29,671 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-21 23:44:29,983 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-21 23:44:30,208 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-21 23:44:30,401 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:30,401 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 75 [2020-10-21 23:44:30,403 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:30,505 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:30,506 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 75 [2020-10-21 23:44:30,507 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:30,677 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:30,678 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 36 treesize of output 126 [2020-10-21 23:44:30,680 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:30,759 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:30,760 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 75 [2020-10-21 23:44:30,761 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:31,423 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 161 [2020-10-21 23:44:31,424 INFO L625 ElimStorePlain]: treesize reduction 40, result has 89.4 percent of original size [2020-10-21 23:44:31,442 INFO L545 ElimStorePlain]: Start of recursive call 1: 21 dim-0 vars, 1 dim-1 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2020-10-21 23:44:31,442 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 22 variables, input treesize:402, output treesize:229 [2020-10-21 23:44:31,762 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2020-10-21 23:44:31,967 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-21 23:44:31,983 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2020-10-21 23:44:31,983 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-21 23:44:31,990 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:31,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:44:32,016 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:44:32,020 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:32,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:44:32,056 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:44:32,241 INFO L384 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 44 treesize of output 45 [2020-10-21 23:44:32,242 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:32,381 INFO L384 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 44 treesize of output 45 [2020-10-21 23:44:32,382 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:32,418 INFO L384 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 [2020-10-21 23:44:32,419 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:33,585 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 146 DAG size of output: 131 [2020-10-21 23:44:33,588 INFO L625 ElimStorePlain]: treesize reduction 242, result has 64.4 percent of original size [2020-10-21 23:44:33,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 23:44:33,646 INFO L384 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 63 treesize of output 42 [2020-10-21 23:44:33,647 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:33,663 INFO L384 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 [2020-10-21 23:44:33,663 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:33,985 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-21 23:44:33,985 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:34,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 23:44:34,019 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2020-10-21 23:44:34,020 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:34,041 INFO L384 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 35 treesize of output 40 [2020-10-21 23:44:34,041 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:36,093 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 110 [2020-10-21 23:44:36,094 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:36,114 INFO L545 ElimStorePlain]: Start of recursive call 1: 19 dim-0 vars, 3 dim-2 vars, End of recursive call: 32 dim-0 vars, and 6 xjuncts. [2020-10-21 23:44:36,115 INFO L244 ElimStorePlain]: Needed 8 recursive calls to eliminate 22 variables, input treesize:721, output treesize:365 [2020-10-21 23:44:36,415 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 140 [2020-10-21 23:44:36,426 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-21 23:44:36,574 INFO L384 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 [2020-10-21 23:44:36,576 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:36,584 INFO L384 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 [2020-10-21 23:44:36,586 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:36,594 INFO L384 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 [2020-10-21 23:44:36,595 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:36,603 INFO L384 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 [2020-10-21 23:44:36,605 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:44:36,688 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:44:36,692 INFO L545 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 23:44:36,692 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 25 variables, input treesize:277, output treesize:19 [2020-10-21 23:44:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:44:36,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 23:44:36,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-10-21 23:44:36,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2061672997] [2020-10-21 23:44:36,759 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:44:36,761 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:44:36,766 INFO L252 McrAutomatonBuilder]: Finished intersection with 26 states and 35 transitions. [2020-10-21 23:44:36,766 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:44:36,968 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:44:37,443 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 3 conjuncts [2020-10-21 23:44:37,444 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:44:37,447 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:44:37,448 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:44:37,451 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 3 conjuncts [2020-10-21 23:44:37,484 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:44:37,496 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-21 23:44:37,505 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 3 conjuncts [2020-10-21 23:44:37,508 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [752531#(or (= 4294967295 (mod (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 4294967296)) (and (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |~#value~0.base|)) (= (+ (mod (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 4294967296) (* 4294967296 (div (+ (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) (* (mod (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 4294967296) (- 1))) 4294967296))) 0))), 752530#(or (and (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |~#value~0.base|)) (= thr1Thread1of4ForFork0_~v~0 0) (or (and (= |thr1Thread1of4ForFork0_~#casret~0.base| |~#value~0.base|) (= |thr1Thread1of4ForFork0_~#casret~0.offset| |~#value~0.offset|)) (<= thr1Thread1of4ForFork0_~vn~0 (+ thr1Thread1of4ForFork0_~v~0 1))) (or (<= (+ thr1Thread1of4ForFork0_~v~0 1) thr1Thread1of4ForFork0_~vn~0) (and (= |thr1Thread1of4ForFork0_~#casret~0.base| |~#value~0.base|) (= |thr1Thread1of4ForFork0_~#casret~0.offset| |~#value~0.offset|)))) (not (= (mod (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 4294967296) (mod thr1Thread1of4ForFork0_~v~0 4294967296)))), 752529#(or (= (mod (select (select |#memory_int| |thr1Thread1of4ForFork0_~#casret~0.base|) |thr1Thread1of4ForFork0_~#casret~0.offset|) 4294967296) 0) (and (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |~#value~0.base|)) (= thr1Thread1of4ForFork0_~v~0 0) (<= (+ thr1Thread1of4ForFork0_~v~0 1) (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|)) (<= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) (+ thr1Thread1of4ForFork0_~v~0 1)))), 752528#(or (= (mod (select (select |#memory_int| |thr1Thread1of4ForFork0_~#casret~0.base|) |thr1Thread1of4ForFork0_~#casret~0.offset|) 4294967296) 0) (and (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |~#value~0.base|)) (= thr1Thread1of4ForFork0_~v~0 0) (<= thr1Thread2of4ForFork0_~v~0 (+ thr1Thread1of4ForFork0_~v~0 1)) (<= (+ thr1Thread1of4ForFork0_~v~0 1) thr1Thread2of4ForFork0_~v~0) (= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) thr1Thread2of4ForFork0_~v~0))), 752532#(or (= (mod (select (select |#memory_int| |thr1Thread1of4ForFork0_~#casret~0.base|) |thr1Thread1of4ForFork0_~#casret~0.offset|) 4294967296) 0) (and (= thr1Thread1of4ForFork0_~v~0 0) (not (= (select |#valid| |~#value~0.base|) 0)) (<= (+ thr1Thread1of4ForFork0_~v~0 1) (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|)) (<= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) (+ thr1Thread1of4ForFork0_~v~0 1))))] [2020-10-21 23:44:37,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-21 23:44:37,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:44:37,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-21 23:44:37,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2020-10-21 23:44:37,509 INFO L87 Difference]: Start difference. First operand 59069 states and 302672 transitions. Second operand 17 states. [2020-10-21 23:44:38,050 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-21 23:44:39,867 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-21 23:44:40,034 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-10-21 23:44:40,616 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-10-21 23:44:41,367 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-21 23:44:41,609 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-10-21 23:44:42,975 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-21 23:44:43,708 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-10-21 23:44:45,114 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-10-21 23:44:46,018 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-10-21 23:44:46,891 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-10-21 23:44:47,953 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-10-21 23:44:48,328 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-21 23:44:49,401 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-10-21 23:44:49,929 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2020-10-21 23:44:51,459 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2020-10-21 23:44:58,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:44:58,837 INFO L93 Difference]: Finished difference Result 237210 states and 1205882 transitions. [2020-10-21 23:44:58,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2020-10-21 23:44:58,838 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 15 [2020-10-21 23:44:58,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:45:00,928 INFO L225 Difference]: With dead ends: 237210 [2020-10-21 23:45:00,928 INFO L226 Difference]: Without dead ends: 237210 [2020-10-21 23:45:00,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3910 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=1292, Invalid=9420, Unknown=0, NotChecked=0, Total=10712 [2020-10-21 23:45:01,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237210 states. [2020-10-21 23:45:11,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237210 to 83121. [2020-10-21 23:45:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83121 states. [2020-10-21 23:45:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83121 states to 83121 states and 430967 transitions. [2020-10-21 23:45:11,849 INFO L78 Accepts]: Start accepts. Automaton has 83121 states and 430967 transitions. Word has length 15 [2020-10-21 23:45:11,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:45:11,850 INFO L481 AbstractCegarLoop]: Abstraction has 83121 states and 430967 transitions. [2020-10-21 23:45:11,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-21 23:45:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 83121 states and 430967 transitions. [2020-10-21 23:45:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:45:11,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:45:11,855 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:45:12,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-21 23:45:12,062 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:45:12,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:45:12,063 INFO L82 PathProgramCache]: Analyzing trace with hash 116467461, now seen corresponding path program 1 times [2020-10-21 23:45:12,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:45:12,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582055655] [2020-10-21 23:45:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:45:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:45:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:45:12,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582055655] [2020-10-21 23:45:12,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357651882] [2020-10-21 23:45:12,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-21 23:45:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:45:12,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 64 conjunts are in the unsatisfiable core [2020-10-21 23:45:12,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:45:12,790 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2020-10-21 23:45:12,791 INFO L350 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2020-10-21 23:45:12,792 INFO L384 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 6 case distinctions, treesize of input 112 treesize of output 144 [2020-10-21 23:45:12,793 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 1] term [2020-10-21 23:45:12,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:12,794 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-21 23:45:12,796 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:12,797 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:12,960 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-10-21 23:45:12,961 INFO L625 ElimStorePlain]: treesize reduction 234, result has 20.9 percent of original size [2020-10-21 23:45:12,966 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-21 23:45:12,967 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:45:12,967 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:62 [2020-10-21 23:45:12,969 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-21 23:45:13,023 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-21 23:45:13,037 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:13,038 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:13,047 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:13,047 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:13,057 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:13,058 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:13,070 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:13,070 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:13,081 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:13,082 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:13,326 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-10-21 23:45:13,327 INFO L625 ElimStorePlain]: treesize reduction 54, result has 79.8 percent of original size [2020-10-21 23:45:13,329 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:45:13,329 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:287, output treesize:213 [2020-10-21 23:45:13,626 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-10-21 23:45:13,638 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-21 23:45:13,902 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-10-21 23:45:13,903 INFO L350 Elim1Store]: treesize reduction 48, result has 73.9 percent of original size [2020-10-21 23:45:13,903 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 37 treesize of output 159 [2020-10-21 23:45:13,905 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:14,096 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-10-21 23:45:14,097 INFO L350 Elim1Store]: treesize reduction 16, result has 87.2 percent of original size [2020-10-21 23:45:14,097 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 32 treesize of output 129 [2020-10-21 23:45:14,099 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:14,273 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-10-21 23:45:14,274 INFO L350 Elim1Store]: treesize reduction 16, result has 87.2 percent of original size [2020-10-21 23:45:14,274 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 32 treesize of output 129 [2020-10-21 23:45:14,275 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:14,658 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2020-10-21 23:45:14,659 INFO L625 ElimStorePlain]: treesize reduction 166, result has 59.2 percent of original size [2020-10-21 23:45:14,662 INFO L545 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. [2020-10-21 23:45:14,663 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:195, output treesize:241 [2020-10-21 23:45:14,862 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-21 23:45:14,956 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-21 23:45:14,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:45:14,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:45:14,967 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:45:14,973 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:45:14,975 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:45:14,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:45:15,008 INFO L384 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 26 treesize of output 21 [2020-10-21 23:45:15,009 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:15,023 INFO L384 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 [2020-10-21 23:45:15,025 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:15,041 INFO L384 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 26 treesize of output 21 [2020-10-21 23:45:15,043 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:15,052 INFO L384 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 26 treesize of output 21 [2020-10-21 23:45:15,054 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:15,251 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-21 23:45:15,252 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:15,259 INFO L545 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2020-10-21 23:45:15,260 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:341, output treesize:297 [2020-10-21 23:45:15,534 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-21 23:45:15,844 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-21 23:45:15,884 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-21 23:45:15,993 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:15,993 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 75 [2020-10-21 23:45:15,994 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:16,076 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:16,077 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 75 [2020-10-21 23:45:16,077 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:16,152 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:16,152 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 75 [2020-10-21 23:45:16,153 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:16,251 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:16,252 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 36 treesize of output 126 [2020-10-21 23:45:16,253 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:17,532 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 132 [2020-10-21 23:45:17,533 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:17,540 INFO L545 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-10-21 23:45:17,540 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 15 variables, input treesize:353, output treesize:220 [2020-10-21 23:45:17,764 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2020-10-21 23:45:17,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:17,891 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:17,893 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:17,894 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:45:17,896 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-21 23:45:17,931 INFO L384 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 54 treesize of output 44 [2020-10-21 23:45:17,932 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:17,969 INFO L384 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 73 treesize of output 45 [2020-10-21 23:45:17,970 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:18,002 INFO L384 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 73 treesize of output 45 [2020-10-21 23:45:18,003 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:18,027 INFO L384 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 54 treesize of output 44 [2020-10-21 23:45:18,027 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:18,457 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-21 23:45:18,458 INFO L625 ElimStorePlain]: treesize reduction 24, result has 92.1 percent of original size [2020-10-21 23:45:18,469 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:45:18,470 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:383, output treesize:277 [2020-10-21 23:45:18,914 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2020-10-21 23:45:18,919 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-21 23:45:19,231 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2020-10-21 23:45:19,240 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 8, 1] term [2020-10-21 23:45:19,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:19,254 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:19,259 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:45:19,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:45:19,306 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:45:19,396 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:19,396 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 66 [2020-10-21 23:45:19,397 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:19,438 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 23:45:19,463 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:19,463 INFO L384 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 1 case distinctions, treesize of input 65 treesize of output 73 [2020-10-21 23:45:19,464 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:19,491 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:19,491 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 66 [2020-10-21 23:45:19,492 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:20,425 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2020-10-21 23:45:20,426 INFO L625 ElimStorePlain]: treesize reduction 98, result has 81.8 percent of original size [2020-10-21 23:45:20,467 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:20,468 INFO L384 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 1 case distinctions, treesize of input 51 treesize of output 63 [2020-10-21 23:45:20,469 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:20,498 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:20,498 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 60 [2020-10-21 23:45:20,499 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:20,527 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:20,527 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 60 [2020-10-21 23:45:20,528 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:21,333 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 104 [2020-10-21 23:45:21,334 INFO L625 ElimStorePlain]: treesize reduction 44, result has 90.5 percent of original size [2020-10-21 23:45:21,364 INFO L545 ElimStorePlain]: Start of recursive call 1: 19 dim-0 vars, 2 dim-2 vars, End of recursive call: 39 dim-0 vars, and 6 xjuncts. [2020-10-21 23:45:21,365 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 21 variables, input treesize:523, output treesize:419 [2020-10-21 23:45:22,270 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 106 [2020-10-21 23:45:22,276 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-21 23:45:22,388 INFO L384 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 [2020-10-21 23:45:22,390 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:22,400 INFO L384 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 38 treesize of output 18 [2020-10-21 23:45:22,403 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:22,410 INFO L384 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 38 treesize of output 18 [2020-10-21 23:45:22,412 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:22,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:22,495 INFO L545 ElimStorePlain]: Start of recursive call 1: 19 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:45:22,496 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 20 variables, input treesize:204, output treesize:9 [2020-10-21 23:45:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:45:22,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 23:45:22,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-10-21 23:45:22,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1662713753] [2020-10-21 23:45:22,557 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:45:22,559 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:45:22,563 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 27 transitions. [2020-10-21 23:45:22,563 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:45:30,872 WARN L193 SmtUtils]: Spent 8.11 s on a formula simplification that was a NOOP. DAG size: 64 [2020-10-21 23:45:30,875 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-21 23:45:30,890 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-21 23:45:30,902 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 3 conjuncts [2020-10-21 23:45:30,905 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1156203#(or (= 4294967295 (mod (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 4294967296)) (and (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |~#value~0.base|)) (= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 0) (not (= |thr1Thread1of4ForFork0_~#casret~0.base| |~#value~0.base|)))), 1156202#(or (and (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |~#value~0.base|)) (= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 0) (= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) thr1Thread2of4ForFork0_~v~0) (not (= |thr1Thread1of4ForFork0_~#casret~0.base| |~#value~0.base|))) (= 4294967295 (mod (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 4294967296)))] [2020-10-21 23:45:30,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-21 23:45:30,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:45:30,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-21 23:45:30,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2020-10-21 23:45:30,906 INFO L87 Difference]: Start difference. First operand 83121 states and 430967 transitions. Second operand 14 states. [2020-10-21 23:45:40,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:45:40,172 INFO L93 Difference]: Finished difference Result 177709 states and 903743 transitions. [2020-10-21 23:45:40,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-21 23:45:40,173 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-10-21 23:45:40,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:45:40,910 INFO L225 Difference]: With dead ends: 177709 [2020-10-21 23:45:40,910 INFO L226 Difference]: Without dead ends: 177709 [2020-10-21 23:45:40,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=235, Invalid=1835, Unknown=0, NotChecked=0, Total=2070 [2020-10-21 23:45:42,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177709 states. [2020-10-21 23:45:50,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177709 to 96359. [2020-10-21 23:45:50,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96359 states. [2020-10-21 23:45:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96359 states to 96359 states and 502562 transitions. [2020-10-21 23:45:50,565 INFO L78 Accepts]: Start accepts. Automaton has 96359 states and 502562 transitions. Word has length 15 [2020-10-21 23:45:50,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:45:50,566 INFO L481 AbstractCegarLoop]: Abstraction has 96359 states and 502562 transitions. [2020-10-21 23:45:50,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-21 23:45:50,566 INFO L276 IsEmpty]: Start isEmpty. Operand 96359 states and 502562 transitions. [2020-10-21 23:45:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:45:50,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:45:50,570 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:45:50,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 23:45:50,779 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:45:50,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:45:50,779 INFO L82 PathProgramCache]: Analyzing trace with hash -27370500, now seen corresponding path program 2 times [2020-10-21 23:45:50,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:45:50,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735853316] [2020-10-21 23:45:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:45:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:45:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:45:51,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735853316] [2020-10-21 23:45:51,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133339829] [2020-10-21 23:45:51,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2020-10-21 23:45:51,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 23:45:51,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 23:45:51,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 58 conjunts are in the unsatisfiable core [2020-10-21 23:45:51,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:45:51,692 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2020-10-21 23:45:51,692 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-21 23:45:51,693 INFO L384 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 4 case distinctions, treesize of input 219 treesize of output 233 [2020-10-21 23:45:51,695 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:51,808 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-10-21 23:45:51,808 INFO L625 ElimStorePlain]: treesize reduction 148, result has 28.2 percent of original size [2020-10-21 23:45:51,809 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:45:51,810 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:45:51,810 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:58 [2020-10-21 23:45:51,811 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:45:51,851 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:45:51,866 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:51,866 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:51,874 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:51,875 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:51,885 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:51,885 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:51,896 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:51,897 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:51,906 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:45:51,907 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:52,133 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-10-21 23:45:52,134 INFO L625 ElimStorePlain]: treesize reduction 50, result has 79.8 percent of original size [2020-10-21 23:45:52,136 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:45:52,136 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:267, output treesize:197 [2020-10-21 23:45:52,283 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:52,433 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-21 23:45:52,434 INFO L350 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-10-21 23:45:52,434 INFO L384 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 [2020-10-21 23:45:52,435 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:45:52,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:52,437 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:52,439 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:52,569 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-21 23:45:52,570 INFO L350 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-10-21 23:45:52,570 INFO L384 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 [2020-10-21 23:45:52,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:45:52,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:52,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:52,576 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:52,816 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-10-21 23:45:52,818 INFO L625 ElimStorePlain]: treesize reduction 95, result has 52.0 percent of original size [2020-10-21 23:45:52,818 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2020-10-21 23:45:52,818 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:103 [2020-10-21 23:45:52,911 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:52,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:45:52,931 INFO L384 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 [2020-10-21 23:45:52,932 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:52,939 INFO L384 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 [2020-10-21 23:45:52,940 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:52,996 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:52,998 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-10-21 23:45:52,998 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:117, output treesize:95 [2020-10-21 23:45:53,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:53,262 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:53,263 INFO L384 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 [2020-10-21 23:45:53,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:45:53,264 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:45:53,265 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:53,265 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:53,266 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:53,314 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:53,315 INFO L384 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 [2020-10-21 23:45:53,315 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:45:53,316 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:45:53,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:53,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:53,319 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:53,486 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-10-21 23:45:53,487 INFO L625 ElimStorePlain]: treesize reduction 15, result has 88.8 percent of original size [2020-10-21 23:45:53,489 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-10-21 23:45:53,489 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:129, output treesize:119 [2020-10-21 23:45:54,390 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-10-21 23:45:54,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:45:54,497 INFO L384 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 71 treesize of output 43 [2020-10-21 23:45:54,498 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:54,510 INFO L384 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 52 treesize of output 42 [2020-10-21 23:45:54,511 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:54,606 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:54,615 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-10-21 23:45:54,615 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:172, output treesize:118 [2020-10-21 23:45:54,775 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-10-21 23:45:54,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:45:54,782 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:54,800 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:45:54,882 INFO L384 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 45 treesize of output 46 [2020-10-21 23:45:54,884 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:54,904 INFO L384 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 60 treesize of output 45 [2020-10-21 23:45:54,905 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:55,147 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2020-10-21 23:45:55,148 INFO L625 ElimStorePlain]: treesize reduction 156, result has 47.1 percent of original size [2020-10-21 23:45:55,154 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 23:45:55,156 INFO L384 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 53 treesize of output 40 [2020-10-21 23:45:55,158 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:55,222 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:55,230 INFO L545 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 2 dim-2 vars, End of recursive call: 12 dim-0 vars, and 2 xjuncts. [2020-10-21 23:45:55,230 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 16 variables, input treesize:323, output treesize:117 [2020-10-21 23:45:55,401 INFO L384 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 [2020-10-21 23:45:55,404 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:45:55,428 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:45:55,430 INFO L545 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 23:45:55,431 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:65, output treesize:9 [2020-10-21 23:45:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:45:55,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 23:45:55,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2020-10-21 23:45:55,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [860022132] [2020-10-21 23:45:55,463 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:45:55,466 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:45:55,470 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 27 transitions. [2020-10-21 23:45:55,470 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:46:03,823 WARN L193 SmtUtils]: Spent 8.13 s on a formula simplification that was a NOOP. DAG size: 71 [2020-10-21 23:46:03,825 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 3 conjuncts [2020-10-21 23:46:03,836 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-21 23:46:03,844 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 3 conjuncts [2020-10-21 23:46:03,847 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1526737#(or (= 4294967295 (mod (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 4294967296)) (and (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |~#value~0.base|)) (= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 0) (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |thr1Thread1of4ForFork0_~#casret~0.base|)) (not (= |thr1Thread1of4ForFork0_~#casret~0.base| |~#value~0.base|)))), 1526736#(or (= 4294967295 (mod (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 4294967296)) (and (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |~#value~0.base|)) (= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) 0) (= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) thr1Thread2of4ForFork0_~v~0) (not (= |thr1Thread2of4ForFork0_~#casret~0.base| |thr1Thread1of4ForFork0_~#casret~0.base|)) (not (= |thr1Thread1of4ForFork0_~#casret~0.base| |~#value~0.base|))))] [2020-10-21 23:46:03,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-21 23:46:03,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:46:03,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-21 23:46:03,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2020-10-21 23:46:03,848 INFO L87 Difference]: Start difference. First operand 96359 states and 502562 transitions. Second operand 14 states. [2020-10-21 23:46:12,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:46:12,020 INFO L93 Difference]: Finished difference Result 199923 states and 1018991 transitions. [2020-10-21 23:46:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-21 23:46:12,021 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-10-21 23:46:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:46:14,511 INFO L225 Difference]: With dead ends: 199923 [2020-10-21 23:46:14,511 INFO L226 Difference]: Without dead ends: 199923 [2020-10-21 23:46:14,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=269, Invalid=1987, Unknown=0, NotChecked=0, Total=2256 [2020-10-21 23:46:15,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199923 states. [2020-10-21 23:46:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199923 to 102429. [2020-10-21 23:46:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102429 states. [2020-10-21 23:46:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102429 states to 102429 states and 536290 transitions. [2020-10-21 23:46:25,812 INFO L78 Accepts]: Start accepts. Automaton has 102429 states and 536290 transitions. Word has length 15 [2020-10-21 23:46:25,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:46:25,812 INFO L481 AbstractCegarLoop]: Abstraction has 102429 states and 536290 transitions. [2020-10-21 23:46:25,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-21 23:46:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 102429 states and 536290 transitions. [2020-10-21 23:46:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:46:25,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:46:25,815 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:46:26,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-21 23:46:26,016 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:46:26,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:46:26,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1720808143, now seen corresponding path program 2 times [2020-10-21 23:46:26,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:46:26,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056134976] [2020-10-21 23:46:26,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:46:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:46:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:46:26,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056134976] [2020-10-21 23:46:26,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885492818] [2020-10-21 23:46:26,659 INFO L93 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 [2020-10-21 23:46:26,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 23:46:26,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 23:46:26,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 61 conjunts are in the unsatisfiable core [2020-10-21 23:46:26,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:46:27,028 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2020-10-21 23:46:27,029 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-21 23:46:27,029 INFO L384 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 4 case distinctions, treesize of input 136 treesize of output 162 [2020-10-21 23:46:27,031 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:27,129 INFO L625 ElimStorePlain]: treesize reduction 105, result has 35.6 percent of original size [2020-10-21 23:46:27,131 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:46:27,132 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:46:27,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:58 [2020-10-21 23:46:27,132 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:46:27,183 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-10-21 23:46:27,199 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:46:27,199 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:27,209 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:46:27,210 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:27,221 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:46:27,222 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:27,236 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:46:27,237 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:27,247 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-10-21 23:46:27,248 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:27,489 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-10-21 23:46:27,490 INFO L625 ElimStorePlain]: treesize reduction 50, result has 79.8 percent of original size [2020-10-21 23:46:27,491 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2020-10-21 23:46:27,491 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:267, output treesize:197 [2020-10-21 23:46:27,698 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-10-21 23:46:27,700 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:46:27,840 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-21 23:46:27,841 INFO L350 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-10-21 23:46:27,842 INFO L384 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 [2020-10-21 23:46:27,843 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:46:27,843 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:46:27,844 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:46:27,846 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:27,971 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-21 23:46:27,972 INFO L350 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-10-21 23:46:27,973 INFO L384 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 [2020-10-21 23:46:27,974 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:46:27,974 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:46:27,975 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:46:27,977 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:28,210 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-10-21 23:46:28,211 INFO L625 ElimStorePlain]: treesize reduction 95, result has 52.0 percent of original size [2020-10-21 23:46:28,211 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2020-10-21 23:46:28,212 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:103 [2020-10-21 23:46:28,304 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:46:28,305 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:46:28,315 INFO L384 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 [2020-10-21 23:46:28,317 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:28,323 INFO L384 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 [2020-10-21 23:46:28,324 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:28,381 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:46:28,383 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-10-21 23:46:28,383 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:117, output treesize:95 [2020-10-21 23:46:28,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:46:28,540 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:46:28,540 INFO L384 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 [2020-10-21 23:46:28,541 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:46:28,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:46:28,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:46:28,543 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:46:28,545 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:28,597 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:46:28,598 INFO L384 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 [2020-10-21 23:46:28,599 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:46:28,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:46:28,601 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:46:28,602 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:46:28,603 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:28,660 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:46:28,661 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-10-21 23:46:28,662 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:105, output treesize:95 [2020-10-21 23:46:28,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:46:28,811 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 23:46:28,838 INFO L384 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 [2020-10-21 23:46:28,838 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:28,848 INFO L384 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 [2020-10-21 23:46:28,848 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:28,936 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:46:28,938 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-10-21 23:46:28,938 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:158, output treesize:124 [2020-10-21 23:46:29,126 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-21 23:46:29,129 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:46:29,361 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:46:29,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 23:46:29,408 INFO L384 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 57 treesize of output 54 [2020-10-21 23:46:29,409 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:29,423 INFO L384 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 84 treesize of output 55 [2020-10-21 23:46:29,424 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:29,518 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:46:29,528 INFO L545 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 2 xjuncts. [2020-10-21 23:46:29,529 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:196, output treesize:134 [2020-10-21 23:46:29,687 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:46:29,730 INFO L384 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 [2020-10-21 23:46:29,732 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:29,737 INFO L384 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 [2020-10-21 23:46:29,739 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 23:46:29,784 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:46:29,787 INFO L545 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 23:46:29,787 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 15 variables, input treesize:131, output treesize:19 [2020-10-21 23:46:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:46:29,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 23:46:29,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-10-21 23:46:29,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1503470148] [2020-10-21 23:46:29,846 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:46:29,848 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:46:29,851 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 23 transitions. [2020-10-21 23:46:29,851 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:46:29,967 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-21 23:46:29,973 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-21 23:46:29,979 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 3 conjuncts [2020-10-21 23:46:29,982 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1931634#(or (and (<= (+ thr1Thread2of4ForFork0_~v~0 2) thr1Thread1of4ForFork0_~vn~0) (<= (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|) (+ thr1Thread2of4ForFork0_~v~0 1)) (<= thr1Thread1of4ForFork0_~vn~0 (+ thr1Thread2of4ForFork0_~v~0 2)) (= thr1Thread2of4ForFork0_~v~0 0) (<= (+ thr1Thread2of4ForFork0_~v~0 1) (select (select |#memory_int| |~#value~0.base|) |~#value~0.offset|)) (not (= |thr1Thread1of4ForFork0_~#casret~0.base| |~#value~0.base|))) (= (mod (select (select |#memory_int| |thr1Thread2of4ForFork0_~#casret~0.base|) |thr1Thread2of4ForFork0_~#casret~0.offset|) 4294967296) 0))] [2020-10-21 23:46:29,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-21 23:46:29,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:46:29,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-21 23:46:29,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2020-10-21 23:46:29,983 INFO L87 Difference]: Start difference. First operand 102429 states and 536290 transitions. Second operand 13 states. [2020-10-21 23:46:32,483 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-10-21 23:46:42,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:46:42,105 INFO L93 Difference]: Finished difference Result 187394 states and 968689 transitions. [2020-10-21 23:46:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-21 23:46:42,106 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 15 [2020-10-21 23:46:42,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:46:42,888 INFO L225 Difference]: With dead ends: 187394 [2020-10-21 23:46:42,888 INFO L226 Difference]: Without dead ends: 187394 [2020-10-21 23:46:42,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=227, Invalid=1579, Unknown=0, NotChecked=0, Total=1806 [2020-10-21 23:46:43,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187394 states. Received shutdown request... [2020-10-21 23:46:46,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-10-21 23:46:46,111 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-21 23:46:46,114 WARN L235 ceAbstractionStarter]: Timeout [2020-10-21 23:46:46,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:46:46 BasicIcfg [2020-10-21 23:46:46,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:46:46,116 INFO L168 Benchmark]: Toolchain (without parser) took 204411.23 ms. Allocated memory was 141.0 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 102.9 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2020-10-21 23:46:46,116 INFO L168 Benchmark]: CDTParser took 3.10 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 23:46:46,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.01 ms. Allocated memory was 141.0 MB in the beginning and 207.6 MB in the end (delta: 66.6 MB). Free memory was 101.8 MB in the beginning and 164.1 MB in the end (delta: -62.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-10-21 23:46:46,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.52 ms. Allocated memory is still 207.6 MB. Free memory was 164.1 MB in the beginning and 162.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:46:46,117 INFO L168 Benchmark]: Boogie Preprocessor took 30.93 ms. Allocated memory is still 207.6 MB. Free memory was 162.1 MB in the beginning and 160.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:46:46,118 INFO L168 Benchmark]: RCFGBuilder took 607.41 ms. Allocated memory is still 207.6 MB. Free memory was 160.1 MB in the beginning and 126.8 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:46:46,118 INFO L168 Benchmark]: TraceAbstraction took 202901.68 ms. Allocated memory was 207.6 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 126.1 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-21 23:46:46,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.10 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 806.01 ms. Allocated memory was 141.0 MB in the beginning and 207.6 MB in the end (delta: 66.6 MB). Free memory was 101.8 MB in the beginning and 164.1 MB in the end (delta: -62.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.52 ms. Allocated memory is still 207.6 MB. Free memory was 164.1 MB in the beginning and 162.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.93 ms. Allocated memory is still 207.6 MB. Free memory was 162.1 MB in the beginning and 160.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 607.41 ms. Allocated memory is still 207.6 MB. Free memory was 160.1 MB in the beginning and 126.8 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202901.68 ms. Allocated memory was 207.6 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 126.1 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 382 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 30 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 56 PlacesBefore, 16 PlacesAfterwards, 59 TransitionsBefore, 16 TransitionsAfterwards, 720 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 56 TotalNumberOfCompositions, 1148 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2266 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 62 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.9s, 90 PlacesBefore, 27 PlacesAfterwards, 96 TransitionsBefore, 28 TransitionsAfterwards, 4104 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 5 ChoiceCompositions, 94 TotalNumberOfCompositions, 6341 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5833 VarBasedMoverChecksPositive, 52 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 267 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.3s, 124 PlacesBefore, 37 PlacesAfterwards, 133 TransitionsBefore, 39 TransitionsAfterwards, 10152 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 82 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 7 ChoiceCompositions, 129 TotalNumberOfCompositions, 15242 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10578 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 329 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 158 PlacesBefore, 48 PlacesAfterwards, 170 TransitionsBefore, 51 TransitionsAfterwards, 18864 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 107 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 41 ConcurrentYvCompositions, 9 ChoiceCompositions, 168 TotalNumberOfCompositions, 31067 MoverChecksTotal - TimeoutResultAtElement [Line: 12]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 12). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 202.4s, OverallIterations: 18, TraceHistogramMax: 4, AutomataDifference: 76.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.9s, HoareTripleCheckerStatistics: 1318 SDtfs, 4600 SDslu, 5587 SDs, 0 SdLazy, 17578 SolverSat, 1038 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 27.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 39 SyntacticMatches, 9 SemanticMatches, 375 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6098 ImplicationChecksByTransitivity, 30.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102429occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 51.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 437991 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 39.9s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 244 ConstructedInterpolants, 60 QuantifiedInterpolants, 168900 SizeOfPredicates, 232 NumberOfNonLiveVariables, 942 ConjunctsInSsa, 427 ConjunctsInUnsatCore, 23 InterpolantComputations, 7 PerfectInterpolantSequences, 14/34 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