/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 18:35:49,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 18:35:49,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 18:35:49,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 18:35:49,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 18:35:49,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 18:35:49,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 18:35:49,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 18:35:49,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 18:35:49,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 18:35:49,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 18:35:49,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 18:35:49,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 18:35:49,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 18:35:49,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 18:35:49,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 18:35:49,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 18:35:49,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 18:35:49,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 18:35:49,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 18:35:49,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 18:35:49,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 18:35:49,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 18:35:49,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 18:35:49,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 18:35:49,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 18:35:49,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 18:35:49,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 18:35:49,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 18:35:49,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 18:35:49,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 18:35:49,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 18:35:49,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 18:35:49,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 18:35:49,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 18:35:49,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 18:35:49,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 18:35:49,399 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 18:35:49,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 18:35:49,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 18:35:49,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 18:35:49,402 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 18:35:49,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 18:35:49,402 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 18:35:49,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 18:35:49,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 18:35:49,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 18:35:49,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 18:35:49,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 18:35:49,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 18:35:49,405 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 18:35:49,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 18:35:49,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 18:35:49,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 18:35:49,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 18:35:49,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 18:35:49,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 18:35:49,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 18:35:49,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:35:49,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 18:35:49,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 18:35:49,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 18:35:49,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 18:35:49,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 18:35:49,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 18:35:49,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 18:35:49,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 18:35:49,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 18:35:49,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 18:35:49,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 18:35:49,715 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 18:35:49,715 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 18:35:49,716 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_power.opt.i [2020-10-15 18:35:49,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58eb34fc8/ac3f188ca2c14c93804709044853aa0d/FLAG5b611dd31 [2020-10-15 18:35:50,338 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 18:35:50,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_power.opt.i [2020-10-15 18:35:50,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58eb34fc8/ac3f188ca2c14c93804709044853aa0d/FLAG5b611dd31 [2020-10-15 18:35:50,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58eb34fc8/ac3f188ca2c14c93804709044853aa0d [2020-10-15 18:35:50,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 18:35:50,602 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 18:35:50,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 18:35:50,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 18:35:50,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 18:35:50,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:35:50" (1/1) ... [2020-10-15 18:35:50,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b10973e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:50, skipping insertion in model container [2020-10-15 18:35:50,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:35:50" (1/1) ... [2020-10-15 18:35:50,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 18:35:50,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 18:35:51,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:35:51,327 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 18:35:51,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:35:51,478 INFO L208 MainTranslator]: Completed translation [2020-10-15 18:35:51,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51 WrapperNode [2020-10-15 18:35:51,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 18:35:51,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 18:35:51,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 18:35:51,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 18:35:51,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 18:35:51,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 18:35:51,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 18:35:51,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 18:35:51,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... [2020-10-15 18:35:51,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 18:35:51,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 18:35:51,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 18:35:51,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 18:35:51,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:35:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 18:35:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 18:35:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 18:35:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 18:35:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 18:35:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 18:35:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 18:35:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 18:35:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-15 18:35:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-15 18:35:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 18:35:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 18:35:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 18:35:51,703 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 18:35:53,736 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 18:35:53,736 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 18:35:53,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:35:53 BoogieIcfgContainer [2020-10-15 18:35:53,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 18:35:53,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 18:35:53,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 18:35:53,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 18:35:53,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:35:50" (1/3) ... [2020-10-15 18:35:53,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b92255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:35:53, skipping insertion in model container [2020-10-15 18:35:53,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:51" (2/3) ... [2020-10-15 18:35:53,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b92255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:35:53, skipping insertion in model container [2020-10-15 18:35:53,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:35:53" (3/3) ... [2020-10-15 18:35:53,749 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_power.opt.i [2020-10-15 18:35:53,762 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 18:35:53,762 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 18:35:53,771 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 18:35:53,772 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 18:35:53,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,813 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,813 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,818 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,818 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,818 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,823 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,823 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,837 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,838 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,851 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,852 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,854 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,855 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,855 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,855 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,856 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:35:53,882 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 18:35:53,916 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:35:53,917 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:35:53,917 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:35:53,917 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:35:53,919 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:35:53,919 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:35:53,919 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:35:53,920 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:35:53,946 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:35:53,953 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 201 flow [2020-10-15 18:35:53,958 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 93 transitions, 201 flow [2020-10-15 18:35:53,962 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 201 flow [2020-10-15 18:35:54,049 INFO L129 PetriNetUnfolder]: 2/90 cut-off events. [2020-10-15 18:35:54,049 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 18:35:54,057 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 90 events. 2/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-15 18:35:54,066 INFO L117 LiptonReduction]: Number of co-enabled transitions 1642 [2020-10-15 18:35:54,572 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,573 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,575 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,575 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,580 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,581 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,585 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,585 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,612 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,613 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,615 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,619 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,623 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,624 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,755 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,756 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,757 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,761 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,764 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,782 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,784 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,784 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,788 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,791 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,792 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,832 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,834 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,834 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,837 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,837 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,840 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,840 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,860 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,862 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,865 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,865 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,868 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,918 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,919 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,920 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,922 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,925 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,925 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,942 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,944 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,944 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:54,946 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:54,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:54,949 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:54,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:55,031 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-15 18:35:55,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:55,033 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-15 18:35:55,034 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:55,047 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 18:35:55,048 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:55,049 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:35:55,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:55,050 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 18:35:55,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:55,077 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 2, 1] term [2020-10-15 18:35:55,077 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:55,078 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-15 18:35:55,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:56,416 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2020-10-15 18:35:56,439 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 1] term [2020-10-15 18:35:56,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:56,440 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-15 18:35:56,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:35:57,250 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 121 [2020-10-15 18:35:57,284 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:57,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:57,285 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:57,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:57,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:57,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:57,289 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:57,290 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:57,310 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:57,311 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:57,311 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:57,311 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:57,313 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:57,313 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:57,316 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:57,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:57,752 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-15 18:35:57,870 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-15 18:35:57,896 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 18:35:57,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,137 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,138 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,139 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,140 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,140 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:58,142 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:58,142 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:58,161 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:58,162 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,163 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,165 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,165 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:58,167 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:58,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:58,300 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 18:35:58,301 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,525 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:58,525 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,526 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,526 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,529 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,530 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:58,532 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:58,532 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:58,551 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:58,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,553 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:35:58,555 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:35:58,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:58,557 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:35:58,557 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:35:59,308 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-15 18:35:59,427 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-15 18:35:59,434 INFO L132 LiptonReduction]: Checked pairs total: 4870 [2020-10-15 18:35:59,435 INFO L134 LiptonReduction]: Total number of compositions: 77 [2020-10-15 18:35:59,442 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2020-10-15 18:35:59,501 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 972 states. [2020-10-15 18:35:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states. [2020-10-15 18:35:59,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 18:35:59,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:35:59,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 18:35:59,512 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:35:59,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:35:59,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1003458471, now seen corresponding path program 1 times [2020-10-15 18:35:59,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:35:59,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715246400] [2020-10-15 18:35:59,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:35:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:35:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:35:59,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715246400] [2020-10-15 18:35:59,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:35:59,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 18:35:59,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460084672] [2020-10-15 18:35:59,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:35:59,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:35:59,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:35:59,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:35:59,782 INFO L87 Difference]: Start difference. First operand 972 states. Second operand 3 states. [2020-10-15 18:35:59,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:35:59,937 INFO L93 Difference]: Finished difference Result 812 states and 2575 transitions. [2020-10-15 18:35:59,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:35:59,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 18:35:59,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:35:59,965 INFO L225 Difference]: With dead ends: 812 [2020-10-15 18:35:59,966 INFO L226 Difference]: Without dead ends: 687 [2020-10-15 18:35:59,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:35:59,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-10-15 18:36:00,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2020-10-15 18:36:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-15 18:36:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 2150 transitions. [2020-10-15 18:36:00,071 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 2150 transitions. Word has length 5 [2020-10-15 18:36:00,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:00,072 INFO L481 AbstractCegarLoop]: Abstraction has 687 states and 2150 transitions. [2020-10-15 18:36:00,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:36:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2150 transitions. [2020-10-15 18:36:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 18:36:00,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:00,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:36:00,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 18:36:00,075 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:00,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:00,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1198586280, now seen corresponding path program 1 times [2020-10-15 18:36:00,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:00,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849762963] [2020-10-15 18:36:00,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:36:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:36:00,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849762963] [2020-10-15 18:36:00,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:36:00,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:36:00,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894715949] [2020-10-15 18:36:00,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:36:00,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:36:00,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:36:00,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:36:00,232 INFO L87 Difference]: Start difference. First operand 687 states and 2150 transitions. Second operand 5 states. [2020-10-15 18:36:00,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:36:00,302 INFO L93 Difference]: Finished difference Result 762 states and 2295 transitions. [2020-10-15 18:36:00,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 18:36:00,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 18:36:00,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:36:00,310 INFO L225 Difference]: With dead ends: 762 [2020-10-15 18:36:00,310 INFO L226 Difference]: Without dead ends: 637 [2020-10-15 18:36:00,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:36:00,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-15 18:36:00,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2020-10-15 18:36:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-10-15 18:36:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1970 transitions. [2020-10-15 18:36:00,349 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1970 transitions. Word has length 10 [2020-10-15 18:36:00,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:00,354 INFO L481 AbstractCegarLoop]: Abstraction has 637 states and 1970 transitions. [2020-10-15 18:36:00,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:36:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1970 transitions. [2020-10-15 18:36:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 18:36:00,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:00,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:36:00,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 18:36:00,357 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:00,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:00,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1542018617, now seen corresponding path program 1 times [2020-10-15 18:36:00,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:00,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110391635] [2020-10-15 18:36:00,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:36:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:36:00,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110391635] [2020-10-15 18:36:00,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:36:00,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:36:00,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667752836] [2020-10-15 18:36:00,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:36:00,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:36:00,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:36:00,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:36:00,509 INFO L87 Difference]: Start difference. First operand 637 states and 1970 transitions. Second operand 5 states. [2020-10-15 18:36:00,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:36:00,565 INFO L93 Difference]: Finished difference Result 837 states and 2540 transitions. [2020-10-15 18:36:00,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:36:00,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-15 18:36:00,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:36:00,569 INFO L225 Difference]: With dead ends: 837 [2020-10-15 18:36:00,570 INFO L226 Difference]: Without dead ends: 437 [2020-10-15 18:36:00,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 18:36:00,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-10-15 18:36:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2020-10-15 18:36:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-10-15 18:36:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 1270 transitions. [2020-10-15 18:36:00,587 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 1270 transitions. Word has length 11 [2020-10-15 18:36:00,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:00,587 INFO L481 AbstractCegarLoop]: Abstraction has 437 states and 1270 transitions. [2020-10-15 18:36:00,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:36:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1270 transitions. [2020-10-15 18:36:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 18:36:00,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:00,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:36:00,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 18:36:00,590 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:00,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:00,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1872076824, now seen corresponding path program 1 times [2020-10-15 18:36:00,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:00,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267127008] [2020-10-15 18:36:00,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:36:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:36:00,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267127008] [2020-10-15 18:36:00,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:36:00,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:36:00,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303068076] [2020-10-15 18:36:00,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 18:36:00,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:36:00,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 18:36:00,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:36:00,853 INFO L87 Difference]: Start difference. First operand 437 states and 1270 transitions. Second operand 6 states. [2020-10-15 18:36:01,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:36:01,016 INFO L93 Difference]: Finished difference Result 489 states and 1375 transitions. [2020-10-15 18:36:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:36:01,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-15 18:36:01,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:36:01,021 INFO L225 Difference]: With dead ends: 489 [2020-10-15 18:36:01,021 INFO L226 Difference]: Without dead ends: 429 [2020-10-15 18:36:01,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-15 18:36:01,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-10-15 18:36:01,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2020-10-15 18:36:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-15 18:36:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 1238 transitions. [2020-10-15 18:36:01,037 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 1238 transitions. Word has length 13 [2020-10-15 18:36:01,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:01,037 INFO L481 AbstractCegarLoop]: Abstraction has 429 states and 1238 transitions. [2020-10-15 18:36:01,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 18:36:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1238 transitions. [2020-10-15 18:36:01,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 18:36:01,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:01,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:36:01,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 18:36:01,039 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:01,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1217851357, now seen corresponding path program 1 times [2020-10-15 18:36:01,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:01,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532372852] [2020-10-15 18:36:01,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:36:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:36:01,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532372852] [2020-10-15 18:36:01,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:36:01,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:36:01,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620936280] [2020-10-15 18:36:01,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:36:01,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:36:01,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:36:01,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:36:01,119 INFO L87 Difference]: Start difference. First operand 429 states and 1238 transitions. Second operand 4 states. [2020-10-15 18:36:01,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:36:01,154 INFO L93 Difference]: Finished difference Result 394 states and 1002 transitions. [2020-10-15 18:36:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:36:01,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-15 18:36:01,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:36:01,157 INFO L225 Difference]: With dead ends: 394 [2020-10-15 18:36:01,158 INFO L226 Difference]: Without dead ends: 309 [2020-10-15 18:36:01,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:36:01,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-10-15 18:36:01,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2020-10-15 18:36:01,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-10-15 18:36:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 774 transitions. [2020-10-15 18:36:01,168 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 774 transitions. Word has length 14 [2020-10-15 18:36:01,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:01,168 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 774 transitions. [2020-10-15 18:36:01,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:36:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 774 transitions. [2020-10-15 18:36:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 18:36:01,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:01,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:36:01,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 18:36:01,170 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:01,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:01,171 INFO L82 PathProgramCache]: Analyzing trace with hash 768362948, now seen corresponding path program 1 times [2020-10-15 18:36:01,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:01,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830445131] [2020-10-15 18:36:01,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:36:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:36:01,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830445131] [2020-10-15 18:36:01,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:36:01,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:36:01,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846302777] [2020-10-15 18:36:01,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:36:01,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:36:01,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:36:01,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:36:01,296 INFO L87 Difference]: Start difference. First operand 309 states and 774 transitions. Second operand 5 states. [2020-10-15 18:36:01,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:36:01,341 INFO L93 Difference]: Finished difference Result 234 states and 528 transitions. [2020-10-15 18:36:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:36:01,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-15 18:36:01,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:36:01,343 INFO L225 Difference]: With dead ends: 234 [2020-10-15 18:36:01,343 INFO L226 Difference]: Without dead ends: 189 [2020-10-15 18:36:01,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:36:01,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-15 18:36:01,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-10-15 18:36:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-15 18:36:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 418 transitions. [2020-10-15 18:36:01,350 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 418 transitions. Word has length 15 [2020-10-15 18:36:01,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:01,350 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 418 transitions. [2020-10-15 18:36:01,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:36:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 418 transitions. [2020-10-15 18:36:01,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 18:36:01,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:01,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:36:01,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 18:36:01,352 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:01,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:01,352 INFO L82 PathProgramCache]: Analyzing trace with hash 522005825, now seen corresponding path program 1 times [2020-10-15 18:36:01,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:01,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414008722] [2020-10-15 18:36:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:36:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:36:01,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414008722] [2020-10-15 18:36:01,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:36:01,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 18:36:01,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447516431] [2020-10-15 18:36:01,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 18:36:01,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:36:01,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 18:36:01,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:36:01,459 INFO L87 Difference]: Start difference. First operand 189 states and 418 transitions. Second operand 6 states. [2020-10-15 18:36:01,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:36:01,543 INFO L93 Difference]: Finished difference Result 162 states and 362 transitions. [2020-10-15 18:36:01,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 18:36:01,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-10-15 18:36:01,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:36:01,545 INFO L225 Difference]: With dead ends: 162 [2020-10-15 18:36:01,545 INFO L226 Difference]: Without dead ends: 151 [2020-10-15 18:36:01,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:36:01,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-10-15 18:36:01,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-10-15 18:36:01,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-15 18:36:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 342 transitions. [2020-10-15 18:36:01,554 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 342 transitions. Word has length 18 [2020-10-15 18:36:01,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:01,554 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 342 transitions. [2020-10-15 18:36:01,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 18:36:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 342 transitions. [2020-10-15 18:36:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 18:36:01,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:01,556 INFO L422 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] [2020-10-15 18:36:01,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 18:36:01,556 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:01,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:01,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1257153572, now seen corresponding path program 1 times [2020-10-15 18:36:01,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:01,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535482182] [2020-10-15 18:36:01,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:36:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:36:01,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535482182] [2020-10-15 18:36:01,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:36:01,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:36:01,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440033659] [2020-10-15 18:36:01,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:36:01,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:36:01,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:36:01,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:36:01,681 INFO L87 Difference]: Start difference. First operand 151 states and 342 transitions. Second operand 5 states. [2020-10-15 18:36:01,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:36:01,715 INFO L93 Difference]: Finished difference Result 190 states and 420 transitions. [2020-10-15 18:36:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:36:01,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-15 18:36:01,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:36:01,716 INFO L225 Difference]: With dead ends: 190 [2020-10-15 18:36:01,716 INFO L226 Difference]: Without dead ends: 71 [2020-10-15 18:36:01,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:36:01,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-15 18:36:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-15 18:36:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-15 18:36:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 134 transitions. [2020-10-15 18:36:01,751 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 134 transitions. Word has length 22 [2020-10-15 18:36:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:01,752 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 134 transitions. [2020-10-15 18:36:01,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:36:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 134 transitions. [2020-10-15 18:36:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 18:36:01,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:01,753 INFO L422 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] [2020-10-15 18:36:01,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 18:36:01,753 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:01,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:01,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1440025788, now seen corresponding path program 2 times [2020-10-15 18:36:01,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:01,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568367795] [2020-10-15 18:36:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:36:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:36:02,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568367795] [2020-10-15 18:36:02,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:36:02,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 18:36:02,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767613739] [2020-10-15 18:36:02,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 18:36:02,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:36:02,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 18:36:02,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 18:36:02,318 INFO L87 Difference]: Start difference. First operand 71 states and 134 transitions. Second operand 9 states. [2020-10-15 18:36:02,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:36:02,529 INFO L93 Difference]: Finished difference Result 116 states and 210 transitions. [2020-10-15 18:36:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:36:02,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-15 18:36:02,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:36:02,531 INFO L225 Difference]: With dead ends: 116 [2020-10-15 18:36:02,531 INFO L226 Difference]: Without dead ends: 75 [2020-10-15 18:36:02,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-15 18:36:02,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-15 18:36:02,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 59. [2020-10-15 18:36:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-15 18:36:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 106 transitions. [2020-10-15 18:36:02,534 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 106 transitions. Word has length 22 [2020-10-15 18:36:02,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:36:02,534 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 106 transitions. [2020-10-15 18:36:02,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 18:36:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2020-10-15 18:36:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 18:36:02,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:36:02,535 INFO L422 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] [2020-10-15 18:36:02,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 18:36:02,536 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:36:02,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:36:02,536 INFO L82 PathProgramCache]: Analyzing trace with hash -37680388, now seen corresponding path program 3 times [2020-10-15 18:36:02,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:36:02,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658377834] [2020-10-15 18:36:02,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:36:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:36:02,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:36:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:36:02,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:36:02,716 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 18:36:02,716 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 18:36:02,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 18:36:02,744 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,744 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,750 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,750 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,751 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,751 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,751 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,752 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,753 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,753 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,753 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,753 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,753 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,754 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,754 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,754 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,755 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,755 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,755 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,755 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,755 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,756 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,756 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,756 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,756 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,756 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,756 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,757 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,757 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,757 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,758 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,758 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,762 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,762 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,763 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,763 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,763 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,763 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,763 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,763 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,764 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,764 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,764 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,764 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,764 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,765 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,765 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,765 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,765 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,765 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,765 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,765 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,766 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,766 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,766 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,766 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,767 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,767 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,767 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,767 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,767 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,768 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,768 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,768 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,768 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:36:02,768 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:36:02,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 06:36:02 BasicIcfg [2020-10-15 18:36:02,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 18:36:02,868 INFO L168 Benchmark]: Toolchain (without parser) took 12266.01 ms. Allocated memory was 254.3 MB in the beginning and 493.4 MB in the end (delta: 239.1 MB). Free memory was 209.4 MB in the beginning and 310.6 MB in the end (delta: -101.2 MB). Peak memory consumption was 137.9 MB. Max. memory is 14.2 GB. [2020-10-15 18:36:02,869 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 254.3 MB. Free memory is still 230.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 18:36:02,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 876.37 ms. Allocated memory was 254.3 MB in the beginning and 320.9 MB in the end (delta: 66.6 MB). Free memory was 209.4 MB in the beginning and 271.6 MB in the end (delta: -62.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 14.2 GB. [2020-10-15 18:36:02,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.59 ms. Allocated memory is still 320.9 MB. Free memory was 271.6 MB in the beginning and 266.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. [2020-10-15 18:36:02,875 INFO L168 Benchmark]: Boogie Preprocessor took 41.03 ms. Allocated memory is still 320.9 MB. Free memory was 266.5 MB in the beginning and 264.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:36:02,876 INFO L168 Benchmark]: RCFGBuilder took 2147.48 ms. Allocated memory was 320.9 MB in the beginning and 360.2 MB in the end (delta: 39.3 MB). Free memory was 264.0 MB in the beginning and 189.5 MB in the end (delta: 74.5 MB). Peak memory consumption was 113.8 MB. Max. memory is 14.2 GB. [2020-10-15 18:36:02,877 INFO L168 Benchmark]: TraceAbstraction took 9125.95 ms. Allocated memory was 360.2 MB in the beginning and 493.4 MB in the end (delta: 133.2 MB). Free memory was 186.3 MB in the beginning and 310.6 MB in the end (delta: -124.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.2 GB. [2020-10-15 18:36:02,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 254.3 MB. Free memory is still 230.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 876.37 ms. Allocated memory was 254.3 MB in the beginning and 320.9 MB in the end (delta: 66.6 MB). Free memory was 209.4 MB in the beginning and 271.6 MB in the end (delta: -62.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 69.59 ms. Allocated memory is still 320.9 MB. Free memory was 271.6 MB in the beginning and 266.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.03 ms. Allocated memory is still 320.9 MB. Free memory was 266.5 MB in the beginning and 264.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2147.48 ms. Allocated memory was 320.9 MB in the beginning and 360.2 MB in the end (delta: 39.3 MB). Free memory was 264.0 MB in the beginning and 189.5 MB in the end (delta: 74.5 MB). Peak memory consumption was 113.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 9125.95 ms. Allocated memory was 360.2 MB in the beginning and 493.4 MB in the end (delta: 133.2 MB). Free memory was 186.3 MB in the beginning and 310.6 MB in the end (delta: -124.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1065 VarBasedMoverChecksPositive, 63 VarBasedMoverChecksNegative, 20 SemBasedMoverChecksPositive, 43 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 128 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.4s, 101 PlacesBefore, 37 PlacesAfterwards, 93 TransitionsBefore, 28 TransitionsAfterwards, 1642 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 77 TotalNumberOfCompositions, 4870 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p2_EAX = 0; [L702] 0 int __unbuffered_p2_EBX = 0; [L703] 0 _Bool main$tmp_guard0; [L704] 0 _Bool main$tmp_guard1; [L706] 0 int x = 0; [L707] 0 _Bool x$flush_delayed; [L708] 0 int x$mem_tmp; [L709] 0 _Bool x$r_buff0_thd0; [L710] 0 _Bool x$r_buff0_thd1; [L711] 0 _Bool x$r_buff0_thd2; [L712] 0 _Bool x$r_buff0_thd3; [L713] 0 _Bool x$r_buff1_thd0; [L714] 0 _Bool x$r_buff1_thd1; [L715] 0 _Bool x$r_buff1_thd2; [L716] 0 _Bool x$r_buff1_thd3; [L717] 0 _Bool x$read_delayed; [L718] 0 int *x$read_delayed_var; [L719] 0 int x$w_buff0; [L720] 0 _Bool x$w_buff0_used; [L721] 0 int x$w_buff1; [L722] 0 _Bool x$w_buff1_used; [L724] 0 int y = 0; [L726] 0 int z = 0; [L727] 0 _Bool weak$$choice0; [L728] 0 _Bool weak$$choice2; [L809] 0 pthread_t t2284; [L810] FCALL, FORK 0 pthread_create(&t2284, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L811] 0 pthread_t t2285; [L812] FCALL, FORK 0 pthread_create(&t2285, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L752] 2 x$w_buff1 = x$w_buff0 [L753] 2 x$w_buff0 = 2 [L754] 2 x$w_buff1_used = x$w_buff0_used [L755] 2 x$w_buff0_used = (_Bool)1 [L7] COND TRUE 2 !expression [L7] 2 __VERIFIER_error() [L757] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L758] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L759] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L760] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L761] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L764] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L813] 0 pthread_t t2286; [L814] FCALL, FORK 0 pthread_create(&t2286, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L781] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L784] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L732] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L735] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L767] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L767] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L767] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L767] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L768] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L768] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L769] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L769] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L770] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L770] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L771] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L771] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L774] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L776] 2 return 0; [L787] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L787] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L788] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L788] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L789] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L789] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L790] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L790] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L791] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L791] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L738] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L738] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L738] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L738] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L739] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L739] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L740] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L741] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L741] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L742] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L745] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L747] 1 return 0; [L794] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L796] 3 return 0; [L816] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L820] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L820] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L821] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L821] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L822] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L823] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L824] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L824] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L827] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L828] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L829] 0 x$flush_delayed = weak$$choice2 [L830] 0 x$mem_tmp = x [L831] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L831] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L832] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L832] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0) [L832] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0 [L832] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0) [L832] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L832] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L833] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L833] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L834] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L834] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L835] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L835] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L835] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L835] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L836] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L836] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0) [L836] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L836] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L837] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L837] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L837] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L838] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L839] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L839] 0 x = x$flush_delayed ? x$mem_tmp : x [L840] 0 x$flush_delayed = (_Bool)0 [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 92 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.8s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: 243 SDtfs, 318 SDslu, 552 SDs, 0 SdLazy, 235 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=972occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 22034 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 incorrect! Received shutdown request...