/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/mix011_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 18:10:19,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 18:10:19,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 18:10:19,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 18:10:19,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 18:10:19,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 18:10:19,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 18:10:19,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 18:10:19,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 18:10:19,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 18:10:19,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 18:10:19,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 18:10:19,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 18:10:19,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 18:10:19,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 18:10:19,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 18:10:19,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 18:10:19,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 18:10:19,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 18:10:19,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 18:10:19,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 18:10:19,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 18:10:19,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 18:10:19,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 18:10:19,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 18:10:19,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 18:10:19,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 18:10:19,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 18:10:19,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 18:10:19,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 18:10:19,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 18:10:19,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 18:10:19,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 18:10:19,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 18:10:19,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 18:10:19,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 18:10:19,312 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 18:10:19,363 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 18:10:19,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 18:10:19,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 18:10:19,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 18:10:19,366 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 18:10:19,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 18:10:19,366 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 18:10:19,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 18:10:19,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 18:10:19,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 18:10:19,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 18:10:19,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 18:10:19,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 18:10:19,368 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 18:10:19,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 18:10:19,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 18:10:19,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 18:10:19,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 18:10:19,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 18:10:19,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 18:10:19,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 18:10:19,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:10:19,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 18:10:19,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 18:10:19,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 18:10:19,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 18:10:19,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 18:10:19,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 18:10:19,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 18:10:19,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 18:10:19,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 18:10:19,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 18:10:19,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 18:10:19,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 18:10:19,714 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 18:10:19,714 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i [2020-10-15 18:10:19,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d637fc76/4c5ba91e9bca43b9b3bf28845ddf4492/FLAG0396c4bfb [2020-10-15 18:10:20,292 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 18:10:20,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i [2020-10-15 18:10:20,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d637fc76/4c5ba91e9bca43b9b3bf28845ddf4492/FLAG0396c4bfb [2020-10-15 18:10:20,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d637fc76/4c5ba91e9bca43b9b3bf28845ddf4492 [2020-10-15 18:10:20,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 18:10:20,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 18:10:20,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 18:10:20,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 18:10:20,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 18:10:20,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:10:20" (1/1) ... [2020-10-15 18:10:20,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4c81f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:20, skipping insertion in model container [2020-10-15 18:10:20,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:10:20" (1/1) ... [2020-10-15 18:10:20,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 18:10:20,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 18:10:21,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:10:21,053 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 18:10:21,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:10:21,206 INFO L208 MainTranslator]: Completed translation [2020-10-15 18:10:21,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21 WrapperNode [2020-10-15 18:10:21,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 18:10:21,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 18:10:21,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 18:10:21,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 18:10:21,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 18:10:21,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 18:10:21,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 18:10:21,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 18:10:21,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (1/1) ... [2020-10-15 18:10:21,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 18:10:21,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 18:10:21,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 18:10:21,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 18:10:21,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (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 18:10:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 18:10:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 18:10:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 18:10:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 18:10:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 18:10:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 18:10:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 18:10:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 18:10:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-15 18:10:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-15 18:10:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 18:10:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 18:10:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 18:10:21,400 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 18:10:23,653 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 18:10:23,654 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 18:10:23,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:10:23 BoogieIcfgContainer [2020-10-15 18:10:23,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 18:10:23,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 18:10:23,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 18:10:23,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 18:10:23,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:10:20" (1/3) ... [2020-10-15 18:10:23,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ec68cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:10:23, skipping insertion in model container [2020-10-15 18:10:23,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:10:21" (2/3) ... [2020-10-15 18:10:23,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ec68cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:10:23, skipping insertion in model container [2020-10-15 18:10:23,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:10:23" (3/3) ... [2020-10-15 18:10:23,664 INFO L111 eAbstractionObserver]: Analyzing ICFG mix011_tso.oepc.i [2020-10-15 18:10:23,675 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 18:10:23,676 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 18:10:23,683 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 18:10:23,684 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 18:10:23,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,715 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,716 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,720 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,720 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,721 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,721 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,725 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,725 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,727 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,727 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,727 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,734 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,734 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,739 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,745 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,745 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:10:23,763 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 18:10:23,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:10:23,786 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:10:23,786 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:10:23,786 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:10:23,786 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:10:23,787 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:10:23,787 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:10:23,787 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:10:23,802 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:10:23,805 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 213 flow [2020-10-15 18:10:23,808 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 213 flow [2020-10-15 18:10:23,810 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2020-10-15 18:10:23,862 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2020-10-15 18:10:23,862 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 18:10:23,868 INFO L80 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-15 18:10:23,872 INFO L117 LiptonReduction]: Number of co-enabled transitions 1904 [2020-10-15 18:10:24,024 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-15 18:10:24,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:24,027 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-15 18:10:24,027 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:24,079 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-15 18:10:24,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:24,082 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-15 18:10:24,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:24,124 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,124 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:24,125 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:24,129 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,130 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:24,133 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:24,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:24,161 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,162 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:24,163 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:24,166 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:24,169 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:24,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:24,614 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-15 18:10:24,722 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-15 18:10:24,949 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,950 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:24,951 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,951 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:24,954 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:24,957 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:24,958 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:24,978 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:24,980 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,980 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:24,983 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:24,983 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:24,986 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:24,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,034 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:25,035 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,036 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:25,036 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,039 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:25,039 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,042 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:25,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,060 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:25,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,062 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:25,062 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,065 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:25,065 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,068 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:25,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,127 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-15 18:10:25,127 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,128 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-15 18:10:25,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,151 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-15 18:10:25,151 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,152 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-15 18:10:25,153 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,187 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:25,187 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,188 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:25,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,191 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:25,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,194 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:25,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,212 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:25,213 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,214 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:25,214 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,216 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:25,217 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,239 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:25,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:25,291 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-15 18:10:25,292 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,292 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-15 18:10:25,293 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,314 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-15 18:10:25,315 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,316 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-15 18:10:25,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,354 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 3, 2, 1] term [2020-10-15 18:10:25,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,355 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 1] term [2020-10-15 18:10:25,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:25,395 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-15 18:10:25,395 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:25,396 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-15 18:10:25,397 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:26,921 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2020-10-15 18:10:26,936 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 2, 1] term [2020-10-15 18:10:26,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:26,938 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-15 18:10:26,938 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:10:27,900 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 127 [2020-10-15 18:10:27,953 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:27,955 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:27,956 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:27,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:27,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:27,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:27,964 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:27,964 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:27,984 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:27,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:27,986 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:27,986 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:27,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:27,991 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:27,993 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:27,995 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,049 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:28,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:28,050 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:28,052 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,053 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,055 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:28,056 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,073 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:28,074 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:28,074 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,075 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:28,076 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,077 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,081 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:28,081 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,385 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:28,387 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,387 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:28,391 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,392 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,399 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:28,400 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,422 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:28,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:28,423 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,424 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:28,425 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:28,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,427 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:28,428 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:28,654 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-15 18:10:28,809 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 18:10:28,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:29,195 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:29,196 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:29,197 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:29,197 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:29,199 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:29,199 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:29,202 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:29,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:29,222 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:29,222 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:29,223 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:29,224 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:10:29,225 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:10:29,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:29,227 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:10:29,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:10:29,975 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-15 18:10:30,101 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 18:10:30,110 INFO L132 LiptonReduction]: Checked pairs total: 5339 [2020-10-15 18:10:30,110 INFO L134 LiptonReduction]: Total number of compositions: 79 [2020-10-15 18:10:30,117 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2020-10-15 18:10:30,194 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1342 states. [2020-10-15 18:10:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states. [2020-10-15 18:10:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 18:10:30,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:30,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 18:10:30,205 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 18:10:30,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:30,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1019564292, now seen corresponding path program 1 times [2020-10-15 18:10:30,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:30,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876212654] [2020-10-15 18:10:30,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:30,512 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 18:10:30,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876212654] [2020-10-15 18:10:30,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:30,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 18:10:30,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589401541] [2020-10-15 18:10:30,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:10:30,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:30,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:10:30,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:10:30,537 INFO L87 Difference]: Start difference. First operand 1342 states. Second operand 3 states. [2020-10-15 18:10:30,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:30,642 INFO L93 Difference]: Finished difference Result 1152 states and 3742 transitions. [2020-10-15 18:10:30,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:10:30,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 18:10:30,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:30,690 INFO L225 Difference]: With dead ends: 1152 [2020-10-15 18:10:30,691 INFO L226 Difference]: Without dead ends: 972 [2020-10-15 18:10:30,692 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 18:10:30,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2020-10-15 18:10:30,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2020-10-15 18:10:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-15 18:10:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 3118 transitions. [2020-10-15 18:10:30,847 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 3118 transitions. Word has length 5 [2020-10-15 18:10:30,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:30,848 INFO L481 AbstractCegarLoop]: Abstraction has 972 states and 3118 transitions. [2020-10-15 18:10:30,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:10:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 3118 transitions. [2020-10-15 18:10:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 18:10:30,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:30,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:30,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 18:10:30,854 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 18:10:30,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:30,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1815948849, now seen corresponding path program 1 times [2020-10-15 18:10:30,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:30,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629516246] [2020-10-15 18:10:30,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:31,015 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 18:10:31,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629516246] [2020-10-15 18:10:31,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:31,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:10:31,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110326771] [2020-10-15 18:10:31,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:10:31,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:31,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:10:31,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:10:31,019 INFO L87 Difference]: Start difference. First operand 972 states and 3118 transitions. Second operand 4 states. [2020-10-15 18:10:31,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:31,125 INFO L93 Difference]: Finished difference Result 1092 states and 3374 transitions. [2020-10-15 18:10:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:10:31,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-15 18:10:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:31,134 INFO L225 Difference]: With dead ends: 1092 [2020-10-15 18:10:31,134 INFO L226 Difference]: Without dead ends: 912 [2020-10-15 18:10:31,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 18:10:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-15 18:10:31,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 912. [2020-10-15 18:10:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-10-15 18:10:31,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 2900 transitions. [2020-10-15 18:10:31,169 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 2900 transitions. Word has length 10 [2020-10-15 18:10:31,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:31,172 INFO L481 AbstractCegarLoop]: Abstraction has 912 states and 2900 transitions. [2020-10-15 18:10:31,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:10:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 2900 transitions. [2020-10-15 18:10:31,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 18:10:31,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:31,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:31,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 18:10:31,182 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 18:10:31,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:31,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1581669343, now seen corresponding path program 1 times [2020-10-15 18:10:31,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:31,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550930573] [2020-10-15 18:10:31,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:31,303 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 18:10:31,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550930573] [2020-10-15 18:10:31,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:31,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:10:31,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566279781] [2020-10-15 18:10:31,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:10:31,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:31,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:10:31,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:10:31,306 INFO L87 Difference]: Start difference. First operand 912 states and 2900 transitions. Second operand 4 states. [2020-10-15 18:10:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:31,344 INFO L93 Difference]: Finished difference Result 1002 states and 3077 transitions. [2020-10-15 18:10:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:10:31,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-15 18:10:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:31,351 INFO L225 Difference]: With dead ends: 1002 [2020-10-15 18:10:31,351 INFO L226 Difference]: Without dead ends: 852 [2020-10-15 18:10:31,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 18:10:31,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-15 18:10:31,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2020-10-15 18:10:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-10-15 18:10:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 2682 transitions. [2020-10-15 18:10:31,384 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 2682 transitions. Word has length 11 [2020-10-15 18:10:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:31,384 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 2682 transitions. [2020-10-15 18:10:31,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:10:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2682 transitions. [2020-10-15 18:10:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 18:10:31,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:31,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:31,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 18:10:31,387 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 18:10:31,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:31,387 INFO L82 PathProgramCache]: Analyzing trace with hash -103877097, now seen corresponding path program 1 times [2020-10-15 18:10:31,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:31,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121873712] [2020-10-15 18:10:31,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:31,463 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 18:10:31,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121873712] [2020-10-15 18:10:31,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:31,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:10:31,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248488906] [2020-10-15 18:10:31,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:10:31,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:31,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:10:31,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:10:31,466 INFO L87 Difference]: Start difference. First operand 852 states and 2682 transitions. Second operand 4 states. [2020-10-15 18:10:31,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:31,506 INFO L93 Difference]: Finished difference Result 892 states and 2724 transitions. [2020-10-15 18:10:31,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:10:31,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-15 18:10:31,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:31,513 INFO L225 Difference]: With dead ends: 892 [2020-10-15 18:10:31,514 INFO L226 Difference]: Without dead ends: 772 [2020-10-15 18:10:31,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 18:10:31,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-10-15 18:10:31,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2020-10-15 18:10:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-10-15 18:10:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 2398 transitions. [2020-10-15 18:10:31,545 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 2398 transitions. Word has length 12 [2020-10-15 18:10:31,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:31,545 INFO L481 AbstractCegarLoop]: Abstraction has 772 states and 2398 transitions. [2020-10-15 18:10:31,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:10:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2398 transitions. [2020-10-15 18:10:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 18:10:31,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:31,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:31,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 18:10:31,548 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 18:10:31,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:31,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1325920435, now seen corresponding path program 1 times [2020-10-15 18:10:31,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:31,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032352621] [2020-10-15 18:10:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:31,802 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 18:10:31,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032352621] [2020-10-15 18:10:31,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:31,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:10:31,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6553987] [2020-10-15 18:10:31,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 18:10:31,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:31,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 18:10:31,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:10:31,808 INFO L87 Difference]: Start difference. First operand 772 states and 2398 transitions. Second operand 6 states. [2020-10-15 18:10:31,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:31,984 INFO L93 Difference]: Finished difference Result 880 states and 2668 transitions. [2020-10-15 18:10:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:10:31,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-15 18:10:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:31,994 INFO L225 Difference]: With dead ends: 880 [2020-10-15 18:10:31,994 INFO L226 Difference]: Without dead ends: 792 [2020-10-15 18:10:31,994 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 18:10:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-15 18:10:32,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2020-10-15 18:10:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-10-15 18:10:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 2448 transitions. [2020-10-15 18:10:32,030 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 2448 transitions. Word has length 14 [2020-10-15 18:10:32,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:32,031 INFO L481 AbstractCegarLoop]: Abstraction has 792 states and 2448 transitions. [2020-10-15 18:10:32,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 18:10:32,031 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 2448 transitions. [2020-10-15 18:10:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:10:32,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:32,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:32,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 18:10:32,034 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 18:10:32,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:32,034 INFO L82 PathProgramCache]: Analyzing trace with hash -528752563, now seen corresponding path program 1 times [2020-10-15 18:10:32,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:32,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383645813] [2020-10-15 18:10:32,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:32,269 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 18:10:32,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383645813] [2020-10-15 18:10:32,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:32,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 18:10:32,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362947547] [2020-10-15 18:10:32,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 18:10:32,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:32,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 18:10:32,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:10:32,272 INFO L87 Difference]: Start difference. First operand 792 states and 2448 transitions. Second operand 7 states. [2020-10-15 18:10:32,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:32,449 INFO L93 Difference]: Finished difference Result 914 states and 2808 transitions. [2020-10-15 18:10:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 18:10:32,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-15 18:10:32,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:32,457 INFO L225 Difference]: With dead ends: 914 [2020-10-15 18:10:32,459 INFO L226 Difference]: Without dead ends: 862 [2020-10-15 18:10:32,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-15 18:10:32,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2020-10-15 18:10:32,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 862. [2020-10-15 18:10:32,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-15 18:10:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2686 transitions. [2020-10-15 18:10:32,495 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2686 transitions. Word has length 16 [2020-10-15 18:10:32,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:32,496 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 2686 transitions. [2020-10-15 18:10:32,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 18:10:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2686 transitions. [2020-10-15 18:10:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:10:32,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:32,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:32,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 18:10:32,500 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 18:10:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:32,500 INFO L82 PathProgramCache]: Analyzing trace with hash 56559949, now seen corresponding path program 2 times [2020-10-15 18:10:32,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:32,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637396388] [2020-10-15 18:10:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:32,822 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 18:10:32,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637396388] [2020-10-15 18:10:32,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:32,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 18:10:32,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154254769] [2020-10-15 18:10:32,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 18:10:32,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:32,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 18:10:32,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:10:32,825 INFO L87 Difference]: Start difference. First operand 862 states and 2686 transitions. Second operand 7 states. [2020-10-15 18:10:32,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:32,995 INFO L93 Difference]: Finished difference Result 1080 states and 3307 transitions. [2020-10-15 18:10:32,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 18:10:32,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-15 18:10:32,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:33,003 INFO L225 Difference]: With dead ends: 1080 [2020-10-15 18:10:33,004 INFO L226 Difference]: Without dead ends: 1012 [2020-10-15 18:10:33,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-15 18:10:33,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2020-10-15 18:10:33,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 972. [2020-10-15 18:10:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-15 18:10:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 3009 transitions. [2020-10-15 18:10:33,037 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 3009 transitions. Word has length 16 [2020-10-15 18:10:33,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:33,038 INFO L481 AbstractCegarLoop]: Abstraction has 972 states and 3009 transitions. [2020-10-15 18:10:33,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 18:10:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 3009 transitions. [2020-10-15 18:10:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:10:33,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:33,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:33,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 18:10:33,041 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 18:10:33,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:33,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1279725843, now seen corresponding path program 3 times [2020-10-15 18:10:33,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:33,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111410936] [2020-10-15 18:10:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:33,269 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 18:10:33,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111410936] [2020-10-15 18:10:33,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:33,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 18:10:33,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824986831] [2020-10-15 18:10:33,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 18:10:33,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:33,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 18:10:33,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:10:33,271 INFO L87 Difference]: Start difference. First operand 972 states and 3009 transitions. Second operand 7 states. [2020-10-15 18:10:33,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:33,534 INFO L93 Difference]: Finished difference Result 1130 states and 3444 transitions. [2020-10-15 18:10:33,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 18:10:33,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-15 18:10:33,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:33,544 INFO L225 Difference]: With dead ends: 1130 [2020-10-15 18:10:33,544 INFO L226 Difference]: Without dead ends: 1070 [2020-10-15 18:10:33,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-15 18:10:33,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-15 18:10:33,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 962. [2020-10-15 18:10:33,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2020-10-15 18:10:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 2945 transitions. [2020-10-15 18:10:33,587 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 2945 transitions. Word has length 16 [2020-10-15 18:10:33,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:33,587 INFO L481 AbstractCegarLoop]: Abstraction has 962 states and 2945 transitions. [2020-10-15 18:10:33,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 18:10:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 2945 transitions. [2020-10-15 18:10:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:10:33,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:33,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:33,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 18:10:33,591 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 18:10:33,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:33,592 INFO L82 PathProgramCache]: Analyzing trace with hash -868302450, now seen corresponding path program 1 times [2020-10-15 18:10:33,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:33,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69135533] [2020-10-15 18:10:33,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:33,696 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 18:10:33,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69135533] [2020-10-15 18:10:33,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:33,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:10:33,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613065958] [2020-10-15 18:10:33,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:10:33,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:33,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:10:33,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:10:33,698 INFO L87 Difference]: Start difference. First operand 962 states and 2945 transitions. Second operand 4 states. [2020-10-15 18:10:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:33,730 INFO L93 Difference]: Finished difference Result 902 states and 2451 transitions. [2020-10-15 18:10:33,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:10:33,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 18:10:33,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:33,735 INFO L225 Difference]: With dead ends: 902 [2020-10-15 18:10:33,735 INFO L226 Difference]: Without dead ends: 656 [2020-10-15 18:10:33,736 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 18:10:33,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-15 18:10:33,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2020-10-15 18:10:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-15 18:10:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1721 transitions. [2020-10-15 18:10:33,753 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1721 transitions. Word has length 16 [2020-10-15 18:10:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:33,754 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 1721 transitions. [2020-10-15 18:10:33,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:10:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1721 transitions. [2020-10-15 18:10:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 18:10:33,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:33,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:10:33,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 18:10:33,756 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 18:10:33,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:33,757 INFO L82 PathProgramCache]: Analyzing trace with hash 592779923, now seen corresponding path program 1 times [2020-10-15 18:10:33,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:33,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852329879] [2020-10-15 18:10:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:33,860 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 18:10:33,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852329879] [2020-10-15 18:10:33,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:33,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:10:33,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577534456] [2020-10-15 18:10:33,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:10:33,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:33,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:10:33,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:10:33,862 INFO L87 Difference]: Start difference. First operand 656 states and 1721 transitions. Second operand 5 states. [2020-10-15 18:10:33,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:33,904 INFO L93 Difference]: Finished difference Result 511 states and 1247 transitions. [2020-10-15 18:10:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:10:33,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-15 18:10:33,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:33,908 INFO L225 Difference]: With dead ends: 511 [2020-10-15 18:10:33,908 INFO L226 Difference]: Without dead ends: 394 [2020-10-15 18:10:33,908 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 18:10:33,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-15 18:10:33,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 328. [2020-10-15 18:10:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-10-15 18:10:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 770 transitions. [2020-10-15 18:10:33,921 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 770 transitions. Word has length 17 [2020-10-15 18:10:33,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:33,923 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 770 transitions. [2020-10-15 18:10:33,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:10:33,924 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 770 transitions. [2020-10-15 18:10:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-15 18:10:33,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:33,925 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] [2020-10-15 18:10:33,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 18:10:33,926 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:10:33,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:33,926 INFO L82 PathProgramCache]: Analyzing trace with hash 708051499, now seen corresponding path program 1 times [2020-10-15 18:10:33,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:33,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270018256] [2020-10-15 18:10:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:34,049 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 18:10:34,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270018256] [2020-10-15 18:10:34,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:34,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 18:10:34,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479880642] [2020-10-15 18:10:34,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 18:10:34,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:34,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 18:10:34,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:10:34,052 INFO L87 Difference]: Start difference. First operand 328 states and 770 transitions. Second operand 6 states. [2020-10-15 18:10:34,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:34,167 INFO L93 Difference]: Finished difference Result 291 states and 694 transitions. [2020-10-15 18:10:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 18:10:34,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-15 18:10:34,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:34,170 INFO L225 Difference]: With dead ends: 291 [2020-10-15 18:10:34,170 INFO L226 Difference]: Without dead ends: 272 [2020-10-15 18:10:34,171 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 18:10:34,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-15 18:10:34,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 256. [2020-10-15 18:10:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-15 18:10:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 626 transitions. [2020-10-15 18:10:34,179 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 626 transitions. Word has length 20 [2020-10-15 18:10:34,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:34,180 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 626 transitions. [2020-10-15 18:10:34,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 18:10:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 626 transitions. [2020-10-15 18:10:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 18:10:34,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:34,181 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, 1, 1] [2020-10-15 18:10:34,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 18:10:34,181 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:10:34,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:34,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1006330507, now seen corresponding path program 1 times [2020-10-15 18:10:34,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:34,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432846617] [2020-10-15 18:10:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:34,408 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 18:10:34,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432846617] [2020-10-15 18:10:34,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:34,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 18:10:34,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845817464] [2020-10-15 18:10:34,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 18:10:34,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:34,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 18:10:34,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-15 18:10:34,411 INFO L87 Difference]: Start difference. First operand 256 states and 626 transitions. Second operand 8 states. [2020-10-15 18:10:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:34,631 INFO L93 Difference]: Finished difference Result 343 states and 817 transitions. [2020-10-15 18:10:34,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 18:10:34,632 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-15 18:10:34,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:34,633 INFO L225 Difference]: With dead ends: 343 [2020-10-15 18:10:34,633 INFO L226 Difference]: Without dead ends: 134 [2020-10-15 18:10:34,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-15 18:10:34,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-15 18:10:34,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 128. [2020-10-15 18:10:34,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-15 18:10:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 270 transitions. [2020-10-15 18:10:34,637 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 270 transitions. Word has length 24 [2020-10-15 18:10:34,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:34,638 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 270 transitions. [2020-10-15 18:10:34,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 18:10:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 270 transitions. [2020-10-15 18:10:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 18:10:34,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:34,639 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, 1, 1] [2020-10-15 18:10:34,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 18:10:34,639 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:10:34,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:34,640 INFO L82 PathProgramCache]: Analyzing trace with hash 68511721, now seen corresponding path program 2 times [2020-10-15 18:10:34,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:34,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407594603] [2020-10-15 18:10:34,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:10:35,250 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 18:10:35,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407594603] [2020-10-15 18:10:35,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:10:35,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 18:10:35,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840530117] [2020-10-15 18:10:35,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 18:10:35,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:10:35,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 18:10:35,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-15 18:10:35,256 INFO L87 Difference]: Start difference. First operand 128 states and 270 transitions. Second operand 10 states. [2020-10-15 18:10:35,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:10:35,569 INFO L93 Difference]: Finished difference Result 155 states and 319 transitions. [2020-10-15 18:10:35,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 18:10:35,569 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-10-15 18:10:35,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:10:35,570 INFO L225 Difference]: With dead ends: 155 [2020-10-15 18:10:35,570 INFO L226 Difference]: Without dead ends: 108 [2020-10-15 18:10:35,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-15 18:10:35,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-15 18:10:35,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2020-10-15 18:10:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-15 18:10:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 218 transitions. [2020-10-15 18:10:35,577 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 218 transitions. Word has length 24 [2020-10-15 18:10:35,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:10:35,578 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 218 transitions. [2020-10-15 18:10:35,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 18:10:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 218 transitions. [2020-10-15 18:10:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 18:10:35,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:10:35,580 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, 1, 1] [2020-10-15 18:10:35,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 18:10:35,580 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:10:35,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:10:35,581 INFO L82 PathProgramCache]: Analyzing trace with hash -490169539, now seen corresponding path program 3 times [2020-10-15 18:10:35,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:10:35,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606884359] [2020-10-15 18:10:35,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:10:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:10:35,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:10:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:10:35,682 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:10:35,718 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 18:10:35,719 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 18:10:35,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 18:10:35,737 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 18:10:35,738 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,740 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 18:10:35,741 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,741 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 18:10:35,741 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,741 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 18:10:35,741 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,742 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 18:10:35,742 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,742 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 18:10:35,742 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,743 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 18:10:35,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,743 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 18:10:35,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,743 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 18:10:35,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,744 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 18:10:35,744 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,744 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 18:10:35,744 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,744 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 18:10:35,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,745 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 18:10:35,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,745 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 18:10:35,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,745 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 18:10:35,746 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,746 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 18:10:35,746 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,747 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 18:10:35,747 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,748 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 18:10:35,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,748 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 18:10:35,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,748 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 18:10:35,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,749 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 18:10:35,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,749 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 18:10:35,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,750 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 18:10:35,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,750 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 18:10:35,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,750 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 18:10:35,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,751 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 18:10:35,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,751 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 18:10:35,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,751 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 18:10:35,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,751 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 18:10:35,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,752 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 18:10:35,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,752 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 18:10:35,753 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,753 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 18:10:35,753 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,753 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 18:10:35,753 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,753 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 18:10:35,753 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:10:35,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 06:10:35 BasicIcfg [2020-10-15 18:10:35,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 18:10:35,831 INFO L168 Benchmark]: Toolchain (without parser) took 15301.37 ms. Allocated memory was 250.6 MB in the beginning and 559.4 MB in the end (delta: 308.8 MB). Free memory was 206.6 MB in the beginning and 288.7 MB in the end (delta: -82.1 MB). Peak memory consumption was 226.7 MB. Max. memory is 14.2 GB. [2020-10-15 18:10:35,832 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 18:10:35,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.18 ms. Allocated memory was 250.6 MB in the beginning and 314.6 MB in the end (delta: 64.0 MB). Free memory was 206.6 MB in the beginning and 264.6 MB in the end (delta: -58.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 14.2 GB. [2020-10-15 18:10:35,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.75 ms. Allocated memory is still 314.6 MB. Free memory was 264.6 MB in the beginning and 262.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:10:35,834 INFO L168 Benchmark]: Boogie Preprocessor took 41.80 ms. Allocated memory is still 314.6 MB. Free memory was 262.0 MB in the beginning and 259.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:10:35,839 INFO L168 Benchmark]: RCFGBuilder took 2342.72 ms. Allocated memory was 314.6 MB in the beginning and 356.5 MB in the end (delta: 41.9 MB). Free memory was 259.5 MB in the beginning and 181.6 MB in the end (delta: 78.0 MB). Peak memory consumption was 119.9 MB. Max. memory is 14.2 GB. [2020-10-15 18:10:35,840 INFO L168 Benchmark]: TraceAbstraction took 12170.25 ms. Allocated memory was 356.5 MB in the beginning and 559.4 MB in the end (delta: 202.9 MB). Free memory was 181.6 MB in the beginning and 288.7 MB in the end (delta: -107.1 MB). Peak memory consumption was 95.8 MB. Max. memory is 14.2 GB. [2020-10-15 18:10:35,846 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 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 677.18 ms. Allocated memory was 250.6 MB in the beginning and 314.6 MB in the end (delta: 64.0 MB). Free memory was 206.6 MB in the beginning and 264.6 MB in the end (delta: -58.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.75 ms. Allocated memory is still 314.6 MB. Free memory was 264.6 MB in the beginning and 262.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.80 ms. Allocated memory is still 314.6 MB. Free memory was 262.0 MB in the beginning and 259.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2342.72 ms. Allocated memory was 314.6 MB in the beginning and 356.5 MB in the end (delta: 41.9 MB). Free memory was 259.5 MB in the beginning and 181.6 MB in the end (delta: 78.0 MB). Peak memory consumption was 119.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 12170.25 ms. Allocated memory was 356.5 MB in the beginning and 559.4 MB in the end (delta: 202.9 MB). Free memory was 181.6 MB in the beginning and 288.7 MB in the end (delta: -107.1 MB). Peak memory consumption was 95.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1291 VarBasedMoverChecksPositive, 73 VarBasedMoverChecksNegative, 27 SemBasedMoverChecksPositive, 46 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 229 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.3s, 107 PlacesBefore, 39 PlacesAfterwards, 99 TransitionsBefore, 30 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 79 TotalNumberOfCompositions, 5339 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_p1_EAX = 0; [L702] 0 int __unbuffered_p1_EBX = 0; [L704] 0 int __unbuffered_p2_EAX = 0; [L706] 0 int __unbuffered_p2_EBX = 0; [L708] 0 int a = 0; [L709] 0 _Bool main$tmp_guard0; [L710] 0 _Bool main$tmp_guard1; [L712] 0 int x = 0; [L713] 0 _Bool x$flush_delayed; [L714] 0 int x$mem_tmp; [L715] 0 _Bool x$r_buff0_thd0; [L716] 0 _Bool x$r_buff0_thd1; [L717] 0 _Bool x$r_buff0_thd2; [L718] 0 _Bool x$r_buff0_thd3; [L719] 0 _Bool x$r_buff1_thd0; [L720] 0 _Bool x$r_buff1_thd1; [L721] 0 _Bool x$r_buff1_thd2; [L722] 0 _Bool x$r_buff1_thd3; [L723] 0 _Bool x$read_delayed; [L724] 0 int *x$read_delayed_var; [L725] 0 int x$w_buff0; [L726] 0 _Bool x$w_buff0_used; [L727] 0 int x$w_buff1; [L728] 0 _Bool x$w_buff1_used; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L824] 0 pthread_t t299; [L825] FCALL, FORK 0 pthread_create(&t299, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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] [L826] 0 pthread_t t300; [L827] FCALL, FORK 0 pthread_create(&t300, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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] [L758] 2 x$w_buff1 = x$w_buff0 [L759] 2 x$w_buff0 = 2 [L760] 2 x$w_buff1_used = x$w_buff0_used [L761] 2 x$w_buff0_used = (_Bool)1 [L7] COND FALSE 2 !(!expression) [L763] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L764] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L765] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L766] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L767] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$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] [L770] 2 y = 1 [L773] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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] [L776] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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] [L828] 0 pthread_t t301; [L829] FCALL, FORK 0 pthread_create(&t301, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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] [L793] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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] [L796] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=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] [L799] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=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] [L738] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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] [L741] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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] [L779] 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) [L779] 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) [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L780] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L781] 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 [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L782] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L783] 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 [L744] 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) [L744] 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) [L745] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L745] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L746] 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 [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L747] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L748] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L748] 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 [L802] 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) [L802] 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) [L803] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L803] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L804] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L804] 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 [L805] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L805] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L806] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L806] 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 [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L753] 1 return 0; [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L809] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L811] 3 return 0; [L831] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L835] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L835] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L836] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L837] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L837] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L838] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L838] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L839] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L839] 0 x$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 [L842] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L843] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L844] 0 x$flush_delayed = weak$$choice2 [L845] 0 x$mem_tmp = x [L846] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L846] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L847] EXPR 0 weak$$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$w_buff0)) [L847] EXPR 0 !x$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) [L847] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L847] 0 x$w_buff0 = weak$$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)) [L848] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L848] 0 x$w_buff1 = weak$$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)) [L849] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L849] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used) [L849] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L849] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used) [L849] EXPR 0 weak$$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)) [L849] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L850] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L850] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] EXPR 0 weak$$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)) [L851] 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$r_buff0_thd0) [L851] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L851] 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) [L851] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L851] 0 x$r_buff0_thd0 = weak$$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)) [L852] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] 0 x$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L853] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L854] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L854] 0 x = x$flush_delayed ? x$mem_tmp : x [L855] 0 x$flush_delayed = (_Bool)0 [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, 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, 98 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.9s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.4s, HoareTripleCheckerStatistics: 430 SDtfs, 569 SDslu, 1008 SDs, 0 SdLazy, 480 SolverSat, 130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1342occurred 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: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 238 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 40424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...