/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:19:20,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:19:20,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:19:20,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:19:20,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:19:20,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:19:20,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:19:20,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:19:20,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:19:20,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:19:20,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:19:20,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:19:20,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:19:20,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:19:20,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:19:20,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:19:20,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:19:20,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:19:20,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:19:20,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:19:20,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:19:20,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:19:20,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:19:20,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:19:20,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 06:19:20,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:19:20,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:19:20,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:19:20,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:19:20,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:19:20,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:19:20,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:19:20,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:19:20,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:19:20,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:19:20,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:19:20,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2020-11-12 06:19:20,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:19:20,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:19:20,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:19:20,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:19:20,319 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:19:20,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:19:20,320 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:19:20,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:19:20,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:19:20,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:19:20,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:19:20,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:19:20,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:19:20,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:19:20,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:19:20,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:19:20,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:19:20,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:19:20,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:19:20,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:19:20,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:19:20,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:19:20,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:19:20,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:19:20,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:19:20,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:19:20,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:19:20,325 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:19:20,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:19:20,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:19:20,326 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:19:20,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:19:20,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:19:20,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:19:20,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:19:20,844 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:19:20,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i [2020-11-12 06:19:20,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc2f08dd/885b4045996048199709181d04bc19f2/FLAG191474ec7 [2020-11-12 06:19:21,702 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:19:21,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i [2020-11-12 06:19:21,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc2f08dd/885b4045996048199709181d04bc19f2/FLAG191474ec7 [2020-11-12 06:19:21,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc2f08dd/885b4045996048199709181d04bc19f2 [2020-11-12 06:19:21,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:19:21,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:19:21,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:19:21,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:19:21,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:19:21,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:19:21" (1/1) ... [2020-11-12 06:19:21,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd8f96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:21, skipping insertion in model container [2020-11-12 06:19:21,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:19:21" (1/1) ... [2020-11-12 06:19:21,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:19:21,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:19:22,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:19:22,290 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:19:22,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:19:22,498 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:19:22,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22 WrapperNode [2020-11-12 06:19:22,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:19:22,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:19:22,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:19:22,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:19:22,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:19:22,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:19:22,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:19:22,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:19:22,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:19:22,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:19:22,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:19:22,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:19:22,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (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 [2020-11-12 06:19:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:19:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:19:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:19:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:19:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:19:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:19:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:19:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:19:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 06:19:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 06:19:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-12 06:19:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-12 06:19:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:19:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:19:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:19:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:19:22,711 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 06:19:23,308 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:19:23,308 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:19:23,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:19:23 BoogieIcfgContainer [2020-11-12 06:19:23,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:19:23,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:19:23,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:19:23,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:19:23,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:19:21" (1/3) ... [2020-11-12 06:19:23,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f893a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:19:23, skipping insertion in model container [2020-11-12 06:19:23,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (2/3) ... [2020-11-12 06:19:23,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f893a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:19:23, skipping insertion in model container [2020-11-12 06:19:23,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:19:23" (3/3) ... [2020-11-12 06:19:23,325 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.opt.i [2020-11-12 06:19:23,342 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:19:23,342 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:19:23,346 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:19:23,347 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:19:23,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,403 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,403 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,404 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,404 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,412 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,412 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,416 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,416 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,416 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,416 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,417 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,417 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,420 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,420 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,420 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,420 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,420 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,421 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,421 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,421 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,421 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,421 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,426 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,427 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,436 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,437 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,437 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,437 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,443 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,449 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:19:23,467 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-12 06:19:23,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:19:23,503 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:19:23,503 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:19:23,503 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:19:23,504 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:19:23,504 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:19:23,504 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:19:23,504 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:19:23,523 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 90 transitions, 200 flow [2020-11-12 06:19:33,698 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:36,038 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 2336ms [2020-11-12 06:19:36,181 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:36,326 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:36,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-12 06:19:36,433 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:36,434 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:36,434 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:36,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1521340881, now seen corresponding path program 1 times [2020-11-12 06:19:36,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:36,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034501122] [2020-11-12 06:19:36,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:36,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034501122] [2020-11-12 06:19:36,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:36,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:36,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326348902] [2020-11-12 06:19:36,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:36,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:36,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:36,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:37,034 INFO L87 Difference]: Start difference. First operand has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:37,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:37,869 INFO L93 Difference]: Finished difference Result 68928 states and 83313 transitions. [2020-11-12 06:19:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:37,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2020-11-12 06:19:37,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:38,027 INFO L225 Difference]: With dead ends: 68928 [2020-11-12 06:19:38,027 INFO L226 Difference]: Without dead ends: 17757 [2020-11-12 06:19:38,030 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:38,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17757 states. [2020-11-12 06:19:39,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17757 to 17757. [2020-11-12 06:19:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17757 states, 16497 states have (on average 1.6561192944171668) internal successors, (27321), 17756 states have internal predecessors, (27321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17757 states to 17757 states and 27321 transitions. [2020-11-12 06:19:39,148 INFO L78 Accepts]: Start accepts. Automaton has 17757 states and 27321 transitions. Word has length 46 [2020-11-12 06:19:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:39,149 INFO L481 AbstractCegarLoop]: Abstraction has 17757 states and 27321 transitions. [2020-11-12 06:19:39,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17757 states and 27321 transitions. [2020-11-12 06:19:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 06:19:39,173 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:39,173 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:39,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:19:39,174 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:39,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:39,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1443855120, now seen corresponding path program 1 times [2020-11-12 06:19:39,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:39,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334824254] [2020-11-12 06:19:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:39,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334824254] [2020-11-12 06:19:39,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:39,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:39,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368204423] [2020-11-12 06:19:39,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:39,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:39,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:39,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:39,430 INFO L87 Difference]: Start difference. First operand 17757 states and 27321 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:39,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:39,662 INFO L93 Difference]: Finished difference Result 22125 states and 33571 transitions. [2020-11-12 06:19:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:39,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2020-11-12 06:19:39,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:39,731 INFO L225 Difference]: With dead ends: 22125 [2020-11-12 06:19:39,732 INFO L226 Difference]: Without dead ends: 17001 [2020-11-12 06:19:39,733 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17001 states. [2020-11-12 06:19:40,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17001 to 17001. [2020-11-12 06:19:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17001 states, 15825 states have (on average 1.6633807266982623) internal successors, (26323), 17000 states have internal predecessors, (26323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17001 states to 17001 states and 26323 transitions. [2020-11-12 06:19:40,463 INFO L78 Accepts]: Start accepts. Automaton has 17001 states and 26323 transitions. Word has length 48 [2020-11-12 06:19:40,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:40,465 INFO L481 AbstractCegarLoop]: Abstraction has 17001 states and 26323 transitions. [2020-11-12 06:19:40,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 17001 states and 26323 transitions. [2020-11-12 06:19:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 06:19:40,490 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:40,490 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:40,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:19:40,491 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:40,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:40,492 INFO L82 PathProgramCache]: Analyzing trace with hash 783013961, now seen corresponding path program 1 times [2020-11-12 06:19:40,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:40,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111100174] [2020-11-12 06:19:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:40,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111100174] [2020-11-12 06:19:40,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:40,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:40,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800039160] [2020-11-12 06:19:40,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:40,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:40,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:40,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:40,667 INFO L87 Difference]: Start difference. First operand 17001 states and 26323 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:40,974 INFO L93 Difference]: Finished difference Result 29097 states and 45117 transitions. [2020-11-12 06:19:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:40,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-11-12 06:19:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:41,026 INFO L225 Difference]: With dead ends: 29097 [2020-11-12 06:19:41,026 INFO L226 Difference]: Without dead ends: 19353 [2020-11-12 06:19:41,027 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:41,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19353 states. [2020-11-12 06:19:41,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19353 to 13977. [2020-11-12 06:19:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13977 states, 13137 states have (on average 1.6975717439293598) internal successors, (22301), 13976 states have internal predecessors, (22301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:41,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13977 states to 13977 states and 22301 transitions. [2020-11-12 06:19:41,729 INFO L78 Accepts]: Start accepts. Automaton has 13977 states and 22301 transitions. Word has length 49 [2020-11-12 06:19:41,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:41,732 INFO L481 AbstractCegarLoop]: Abstraction has 13977 states and 22301 transitions. [2020-11-12 06:19:41,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 13977 states and 22301 transitions. [2020-11-12 06:19:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-12 06:19:41,755 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:41,755 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:41,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:19:41,755 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:41,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:41,757 INFO L82 PathProgramCache]: Analyzing trace with hash -805246769, now seen corresponding path program 1 times [2020-11-12 06:19:41,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:41,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891485534] [2020-11-12 06:19:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:41,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891485534] [2020-11-12 06:19:41,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:41,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:41,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406401601] [2020-11-12 06:19:41,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:41,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:41,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:41,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:41,950 INFO L87 Difference]: Start difference. First operand 13977 states and 22301 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:42,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:42,221 INFO L93 Difference]: Finished difference Result 19437 states and 33366 transitions. [2020-11-12 06:19:42,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:19:42,222 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2020-11-12 06:19:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:42,247 INFO L225 Difference]: With dead ends: 19437 [2020-11-12 06:19:42,247 INFO L226 Difference]: Without dead ends: 9551 [2020-11-12 06:19:42,248 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 06:19:42,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9551 states. [2020-11-12 06:19:42,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9551 to 9551. [2020-11-12 06:19:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9551 states, 8991 states have (on average 1.7390724057390725) internal successors, (15636), 9550 states have internal predecessors, (15636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 15636 transitions. [2020-11-12 06:19:42,882 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 15636 transitions. Word has length 50 [2020-11-12 06:19:42,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:42,884 INFO L481 AbstractCegarLoop]: Abstraction has 9551 states and 15636 transitions. [2020-11-12 06:19:42,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 15636 transitions. [2020-11-12 06:19:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 06:19:42,910 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:42,910 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:42,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:19:42,910 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:42,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:42,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1904141714, now seen corresponding path program 1 times [2020-11-12 06:19:42,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:42,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095308358] [2020-11-12 06:19:42,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:43,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095308358] [2020-11-12 06:19:43,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:43,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:43,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128611976] [2020-11-12 06:19:43,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:43,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:43,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:43,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:43,064 INFO L87 Difference]: Start difference. First operand 9551 states and 15636 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:43,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:43,235 INFO L93 Difference]: Finished difference Result 10511 states and 17388 transitions. [2020-11-12 06:19:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:43,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2020-11-12 06:19:43,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:43,258 INFO L225 Difference]: With dead ends: 10511 [2020-11-12 06:19:43,258 INFO L226 Difference]: Without dead ends: 7414 [2020-11-12 06:19:43,259 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:43,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7414 states. [2020-11-12 06:19:43,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7414 to 7414. [2020-11-12 06:19:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7414 states, 7014 states have (on average 1.7924151696606787) internal successors, (12572), 7413 states have internal predecessors, (12572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7414 states to 7414 states and 12572 transitions. [2020-11-12 06:19:43,459 INFO L78 Accepts]: Start accepts. Automaton has 7414 states and 12572 transitions. Word has length 52 [2020-11-12 06:19:43,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:43,460 INFO L481 AbstractCegarLoop]: Abstraction has 7414 states and 12572 transitions. [2020-11-12 06:19:43,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:43,460 INFO L276 IsEmpty]: Start isEmpty. Operand 7414 states and 12572 transitions. [2020-11-12 06:19:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-12 06:19:43,476 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:43,476 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:43,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:19:43,477 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:43,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:43,477 INFO L82 PathProgramCache]: Analyzing trace with hash 186754529, now seen corresponding path program 1 times [2020-11-12 06:19:43,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:43,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351714332] [2020-11-12 06:19:43,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:43,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351714332] [2020-11-12 06:19:43,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:43,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:43,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613298078] [2020-11-12 06:19:43,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:43,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:43,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:43,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:43,616 INFO L87 Difference]: Start difference. First operand 7414 states and 12572 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:43,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:43,813 INFO L93 Difference]: Finished difference Result 9634 states and 17939 transitions. [2020-11-12 06:19:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:43,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2020-11-12 06:19:43,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:43,835 INFO L225 Difference]: With dead ends: 9634 [2020-11-12 06:19:43,835 INFO L226 Difference]: Without dead ends: 7234 [2020-11-12 06:19:43,836 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:43,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2020-11-12 06:19:44,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2020-11-12 06:19:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7234 states, 6838 states have (on average 1.786633518572682) internal successors, (12217), 7233 states have internal predecessors, (12217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 12217 transitions. [2020-11-12 06:19:44,166 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 12217 transitions. Word has length 54 [2020-11-12 06:19:44,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:44,167 INFO L481 AbstractCegarLoop]: Abstraction has 7234 states and 12217 transitions. [2020-11-12 06:19:44,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 12217 transitions. [2020-11-12 06:19:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-12 06:19:44,180 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:44,181 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:44,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 06:19:44,181 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:44,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:44,182 INFO L82 PathProgramCache]: Analyzing trace with hash -599761193, now seen corresponding path program 1 times [2020-11-12 06:19:44,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:44,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377674138] [2020-11-12 06:19:44,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:44,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377674138] [2020-11-12 06:19:44,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:44,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:44,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057684328] [2020-11-12 06:19:44,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:44,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:44,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:44,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:44,348 INFO L87 Difference]: Start difference. First operand 7234 states and 12217 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:44,545 INFO L93 Difference]: Finished difference Result 8566 states and 15821 transitions. [2020-11-12 06:19:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:19:44,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2020-11-12 06:19:44,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:44,563 INFO L225 Difference]: With dead ends: 8566 [2020-11-12 06:19:44,563 INFO L226 Difference]: Without dead ends: 6306 [2020-11-12 06:19:44,564 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:19:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2020-11-12 06:19:44,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 6306. [2020-11-12 06:19:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6306 states, 5946 states have (on average 1.7384796501849984) internal successors, (10337), 6305 states have internal predecessors, (10337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6306 states to 6306 states and 10337 transitions. [2020-11-12 06:19:44,700 INFO L78 Accepts]: Start accepts. Automaton has 6306 states and 10337 transitions. Word has length 55 [2020-11-12 06:19:44,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:44,701 INFO L481 AbstractCegarLoop]: Abstraction has 6306 states and 10337 transitions. [2020-11-12 06:19:44,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 6306 states and 10337 transitions. [2020-11-12 06:19:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-12 06:19:44,711 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:44,712 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:44,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 06:19:44,712 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:44,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:44,712 INFO L82 PathProgramCache]: Analyzing trace with hash -562614708, now seen corresponding path program 1 times [2020-11-12 06:19:44,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:44,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615376539] [2020-11-12 06:19:44,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:44,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615376539] [2020-11-12 06:19:44,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:44,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 06:19:44,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505995532] [2020-11-12 06:19:44,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 06:19:44,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:44,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 06:19:44,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 06:19:44,833 INFO L87 Difference]: Start difference. First operand 6306 states and 10337 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:45,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:45,111 INFO L93 Difference]: Finished difference Result 6009 states and 10733 transitions. [2020-11-12 06:19:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 06:19:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2020-11-12 06:19:45,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:45,122 INFO L225 Difference]: With dead ends: 6009 [2020-11-12 06:19:45,122 INFO L226 Difference]: Without dead ends: 4329 [2020-11-12 06:19:45,122 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-12 06:19:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2020-11-12 06:19:45,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 4329. [2020-11-12 06:19:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 4086 states have (on average 1.600342633382281) internal successors, (6539), 4328 states have internal predecessors, (6539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 6539 transitions. [2020-11-12 06:19:45,207 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 6539 transitions. Word has length 56 [2020-11-12 06:19:45,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:45,208 INFO L481 AbstractCegarLoop]: Abstraction has 4329 states and 6539 transitions. [2020-11-12 06:19:45,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 6539 transitions. [2020-11-12 06:19:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-12 06:19:45,217 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:45,217 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:45,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 06:19:45,217 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:45,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:45,218 INFO L82 PathProgramCache]: Analyzing trace with hash 622053191, now seen corresponding path program 1 times [2020-11-12 06:19:45,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:45,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779283677] [2020-11-12 06:19:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:45,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779283677] [2020-11-12 06:19:45,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:45,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-12 06:19:45,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14310549] [2020-11-12 06:19:45,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-12 06:19:45,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:45,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-12 06:19:45,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-12 06:19:45,387 INFO L87 Difference]: Start difference. First operand 4329 states and 6539 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:45,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:45,652 INFO L93 Difference]: Finished difference Result 3033 states and 4964 transitions. [2020-11-12 06:19:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-12 06:19:45,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2020-11-12 06:19:45,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:45,657 INFO L225 Difference]: With dead ends: 3033 [2020-11-12 06:19:45,658 INFO L226 Difference]: Without dead ends: 1842 [2020-11-12 06:19:45,658 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-11-12 06:19:45,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2020-11-12 06:19:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1842. [2020-11-12 06:19:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1761 states have (on average 1.43725156161272) internal successors, (2531), 1841 states have internal predecessors, (2531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2531 transitions. [2020-11-12 06:19:45,690 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2531 transitions. Word has length 58 [2020-11-12 06:19:45,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:45,690 INFO L481 AbstractCegarLoop]: Abstraction has 1842 states and 2531 transitions. [2020-11-12 06:19:45,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2531 transitions. [2020-11-12 06:19:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 06:19:45,695 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:45,695 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:45,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-12 06:19:45,695 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:45,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:45,696 INFO L82 PathProgramCache]: Analyzing trace with hash -2073557176, now seen corresponding path program 1 times [2020-11-12 06:19:45,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:45,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163650287] [2020-11-12 06:19:45,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:45,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163650287] [2020-11-12 06:19:45,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:45,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:45,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884898743] [2020-11-12 06:19:45,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:45,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:45,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:45,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:45,894 INFO L87 Difference]: Start difference. First operand 1842 states and 2531 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:46,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:46,005 INFO L93 Difference]: Finished difference Result 3012 states and 4315 transitions. [2020-11-12 06:19:46,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:19:46,006 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2020-11-12 06:19:46,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:46,010 INFO L225 Difference]: With dead ends: 3012 [2020-11-12 06:19:46,010 INFO L226 Difference]: Without dead ends: 1544 [2020-11-12 06:19:46,011 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:46,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2020-11-12 06:19:46,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1544. [2020-11-12 06:19:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1463 states have (on average 1.4771018455228981) internal successors, (2161), 1543 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2161 transitions. [2020-11-12 06:19:46,040 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2161 transitions. Word has length 60 [2020-11-12 06:19:46,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:46,040 INFO L481 AbstractCegarLoop]: Abstraction has 1544 states and 2161 transitions. [2020-11-12 06:19:46,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2161 transitions. [2020-11-12 06:19:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 06:19:46,044 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:46,044 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:46,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-12 06:19:46,044 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:46,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:46,045 INFO L82 PathProgramCache]: Analyzing trace with hash 992791658, now seen corresponding path program 2 times [2020-11-12 06:19:46,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:46,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064245846] [2020-11-12 06:19:46,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:46,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064245846] [2020-11-12 06:19:46,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:46,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:46,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233920448] [2020-11-12 06:19:46,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:46,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:46,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:46,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:46,186 INFO L87 Difference]: Start difference. First operand 1544 states and 2161 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:46,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:46,277 INFO L93 Difference]: Finished difference Result 1220 states and 1837 transitions. [2020-11-12 06:19:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:19:46,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2020-11-12 06:19:46,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:46,277 INFO L225 Difference]: With dead ends: 1220 [2020-11-12 06:19:46,278 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:19:46,278 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:46,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:19:46,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:19:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:19:46,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-11-12 06:19:46,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:46,279 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:19:46,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:19:46,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:19:46,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-12 06:19:46,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:19:46 BasicIcfg [2020-11-12 06:19:46,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:19:46,289 INFO L168 Benchmark]: Toolchain (without parser) took 24546.71 ms. Allocated memory was 304.1 MB in the beginning and 6.9 GB in the end (delta: 6.6 GB). Free memory was 278.8 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 570.2 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:46,290 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 304.1 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:19:46,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.01 ms. Allocated memory is still 304.1 MB. Free memory was 278.2 MB in the beginning and 246.9 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:46,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.01 ms. Allocated memory is still 304.1 MB. Free memory was 246.9 MB in the beginning and 245.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:19:46,297 INFO L168 Benchmark]: Boogie Preprocessor took 36.43 ms. Allocated memory is still 304.1 MB. Free memory was 245.1 MB in the beginning and 243.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:46,298 INFO L168 Benchmark]: RCFGBuilder took 707.25 ms. Allocated memory is still 304.1 MB. Free memory was 243.6 MB in the beginning and 262.5 MB in the end (delta: -19.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:46,304 INFO L168 Benchmark]: TraceAbstraction took 22969.39 ms. Allocated memory was 304.1 MB in the beginning and 6.9 GB in the end (delta: 6.6 GB). Free memory was 261.5 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 550.9 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:46,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 304.1 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 753.01 ms. Allocated memory is still 304.1 MB. Free memory was 278.2 MB in the beginning and 246.9 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.01 ms. Allocated memory is still 304.1 MB. Free memory was 246.9 MB in the beginning and 245.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 36.43 ms. Allocated memory is still 304.1 MB. Free memory was 245.1 MB in the beginning and 243.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 707.25 ms. Allocated memory is still 304.1 MB. Free memory was 243.6 MB in the beginning and 262.5 MB in the end (delta: -19.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 22969.39 ms. Allocated memory was 304.1 MB in the beginning and 6.9 GB in the end (delta: 6.6 GB). Free memory was 261.5 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 550.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.7s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.8s, HoareTripleCheckerStatistics: 936 SDtfs, 1516 SDslu, 3403 SDs, 0 SdLazy, 436 SolverSat, 111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54312occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 5376 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 577 ConstructedInterpolants, 0 QuantifiedInterpolants, 84781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...