/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:27:39,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:27:39,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:27:39,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:27:39,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:27:39,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:27:39,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:27:39,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:27:39,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:27:39,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:27:39,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:27:39,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:27:39,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:27:39,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:27:39,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:27:39,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:27:39,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:27:39,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:27:39,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:27:39,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:27:39,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:27:39,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:27:39,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:27:39,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:27:39,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 01:27:39,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:27:39,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:27:39,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:27:39,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:27:39,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:27:39,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:27:39,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:27:39,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:27:39,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:27:39,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:27:39,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:27:39,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 01:27:39,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:27:39,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:27:39,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:27:39,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:27:39,196 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:27:39,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:27:39,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:27:39,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:27:39,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:27:39,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:27:39,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:27:39,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:27:39,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:27:39,200 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:27:39,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:27:39,200 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:27:39,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:27:39,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:27:39,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:27:39,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:27:39,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:27:39,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:27:39,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:27:39,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:27:39,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:27:39,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:27:39,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:27:39,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:27:39,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:27:39,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:27:39,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:27:39,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:27:39,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:27:39,565 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:27:39,566 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i [2020-10-16 01:27:39,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9639a8db9/61023b52e3e142bdac60302c99fd3371/FLAG3e3604046 [2020-10-16 01:27:40,223 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:27:40,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i [2020-10-16 01:27:40,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9639a8db9/61023b52e3e142bdac60302c99fd3371/FLAG3e3604046 [2020-10-16 01:27:40,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9639a8db9/61023b52e3e142bdac60302c99fd3371 [2020-10-16 01:27:40,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:27:40,503 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:27:40,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:27:40,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:27:40,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:27:40,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:27:40" (1/1) ... [2020-10-16 01:27:40,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c725171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:40, skipping insertion in model container [2020-10-16 01:27:40,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:27:40" (1/1) ... [2020-10-16 01:27:40,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:27:40,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:27:41,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:27:41,084 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:27:41,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:27:41,231 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:27:41,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41 WrapperNode [2020-10-16 01:27:41,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:27:41,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:27:41,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:27:41,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:27:41,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:27:41,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:27:41,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:27:41,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:27:41,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (1/1) ... [2020-10-16 01:27:41,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:27:41,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:27:41,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:27:41,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:27:41,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (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 [2020-10-16 01:27:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:27:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 01:27:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:27:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:27:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 01:27:41,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 01:27:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 01:27:41,411 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 01:27:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 01:27:41,411 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 01:27:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 01:27:41,411 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 01:27:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 01:27:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:27:41,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:27:41,414 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 01:27:43,347 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:27:43,348 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 01:27:43,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:27:43 BoogieIcfgContainer [2020-10-16 01:27:43,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:27:43,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:27:43,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:27:43,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:27:43,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:27:40" (1/3) ... [2020-10-16 01:27:43,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682e48eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:27:43, skipping insertion in model container [2020-10-16 01:27:43,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:41" (2/3) ... [2020-10-16 01:27:43,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682e48eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:27:43, skipping insertion in model container [2020-10-16 01:27:43,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:27:43" (3/3) ... [2020-10-16 01:27:43,358 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_pso.opt.i [2020-10-16 01:27:43,369 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:27:43,377 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 01:27:43,378 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:27:43,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,407 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,407 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,409 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,409 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,410 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,410 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,413 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,413 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,413 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,414 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,414 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,414 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,416 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,416 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,416 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,416 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,417 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,420 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,421 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,421 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,421 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,426 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,426 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,431 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,432 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,433 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,433 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,433 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,433 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,433 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,433 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,435 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,436 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:27:43,452 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 01:27:43,473 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:27:43,473 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:27:43,473 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:27:43,473 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:27:43,474 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:27:43,474 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:27:43,474 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:27:43,474 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:27:43,488 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2020-10-16 01:27:43,539 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-16 01:27:43,539 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:27:43,544 INFO L80 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-16 01:27:43,545 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 112 transitions, 244 flow [2020-10-16 01:27:43,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 108 transitions, 228 flow [2020-10-16 01:27:43,556 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:27:43,559 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 108 transitions, 228 flow [2020-10-16 01:27:43,562 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 108 transitions, 228 flow [2020-10-16 01:27:43,563 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 108 transitions, 228 flow [2020-10-16 01:27:43,596 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-16 01:27:43,597 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:27:43,598 INFO L80 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-16 01:27:43,602 INFO L117 LiptonReduction]: Number of co-enabled transitions 2540 [2020-10-16 01:27:43,928 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-10-16 01:27:44,352 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 01:27:44,475 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 01:27:44,500 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,501 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,503 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:44,503 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,549 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,550 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,552 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:44,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,590 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,591 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:44,592 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 1] term [2020-10-16 01:27:44,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:44,620 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,622 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:44,623 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,779 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,781 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:44,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,785 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:44,786 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:27:44,789 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-16 01:27:44,789 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,840 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:44,840 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:44,847 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:44,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,849 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:44,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,853 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:44,853 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:44,856 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:44,857 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:44,858 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:44,858 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:44,861 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-16 01:27:44,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,863 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,866 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,953 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,953 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,954 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:44,955 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,981 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:44,982 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:44,983 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:44,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,052 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:45,053 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,054 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:45,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,069 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:45,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:45,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,108 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:45,109 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:45,121 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:45,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,122 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:45,122 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,125 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:45,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:45,127 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:45,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:45,129 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:45,129 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:45,132 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-16 01:27:45,132 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,135 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-16 01:27:45,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,137 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-16 01:27:45,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,181 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:45,182 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,182 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:45,183 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:45,185 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:45,186 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:27:45,189 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-16 01:27:45,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:46,455 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2020-10-16 01:27:46,469 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 2, 1] term [2020-10-16 01:27:46,469 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:46,470 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:46,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,683 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 147 DAG size of output: 127 [2020-10-16 01:27:47,702 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:47,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,703 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:47,703 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,736 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:47,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:47,737 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 1] term [2020-10-16 01:27:47,737 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:47,787 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:47,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:47,796 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:47,796 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,797 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:47,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,801 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:47,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:47,804 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:47,805 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:47,807 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:47,807 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:47,809 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-16 01:27:47,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,812 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-16 01:27:47,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,813 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-16 01:27:47,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,866 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:47,867 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,867 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:47,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,870 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:47,871 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:27:47,873 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-16 01:27:47,874 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,930 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:47,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,931 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:47,931 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,949 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:47,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:47,950 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:47,951 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,015 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:48,015 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,016 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:48,016 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,036 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-16 01:27:48,037 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,038 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-16 01:27:48,038 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,115 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:48,116 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,117 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,117 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,119 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,119 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,120 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:48,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,133 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,134 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,136 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:27:48,138 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:48,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:27:48,191 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:27:48,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,567 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 01:27:48,925 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:48,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,926 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 6, 5, 1] term [2020-10-16 01:27:48,927 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,927 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,929 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:48,931 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,932 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,933 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,935 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:48,936 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,937 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 6, 5, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,938 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,939 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 5, 3, 6, 5, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:48,939 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:48,957 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:48,957 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:48,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:48,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:49,215 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:27:49,216 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:49,306 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:49,307 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:27:49,309 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:49,309 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:49,327 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:49,328 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:49,329 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 6, 5, 1] term [2020-10-16 01:27:49,329 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:49,330 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:49,330 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:49,331 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:49,331 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:49,333 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:49,333 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:49,335 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:49,335 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:49,337 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-16 01:27:49,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:49,339 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 6, 5, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:49,339 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:49,341 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 6, 5, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-16 01:27:49,341 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:50,428 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2020-10-16 01:27:50,755 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-16 01:27:51,434 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 111 [2020-10-16 01:27:51,743 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-16 01:27:51,899 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:51,900 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:51,901 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:51,901 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:51,903 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:51,903 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:51,904 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:51,905 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:51,918 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:51,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:51,919 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:51,919 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:51,921 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:51,921 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:27:51,922 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:51,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:27:52,854 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-16 01:27:53,452 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-16 01:27:53,456 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:53,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:53,458 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:53,458 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:53,459 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:53,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:27:53,461 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:53,462 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:27:53,477 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:53,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:53,478 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:53,478 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:27:53,479 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:27:53,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:53,480 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:27:53,480 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:27:53,649 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-10-16 01:27:54,039 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-16 01:27:54,183 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 01:27:54,191 INFO L132 LiptonReduction]: Checked pairs total: 6449 [2020-10-16 01:27:54,191 INFO L134 LiptonReduction]: Total number of compositions: 89 [2020-10-16 01:27:54,194 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10641 [2020-10-16 01:27:54,203 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2020-10-16 01:27:54,203 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:27:54,204 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:54,205 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:54,205 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:54,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:54,210 INFO L82 PathProgramCache]: Analyzing trace with hash 445514123, now seen corresponding path program 1 times [2020-10-16 01:27:54,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:54,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314198597] [2020-10-16 01:27:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:54,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314198597] [2020-10-16 01:27:54,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:54,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:27:54,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364113153] [2020-10-16 01:27:54,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:27:54,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:54,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:27:54,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:27:54,555 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 201 [2020-10-16 01:27:54,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 68 flow. Second operand 3 states. [2020-10-16 01:27:54,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:54,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 201 [2020-10-16 01:27:54,560 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:54,667 INFO L129 PetriNetUnfolder]: 23/89 cut-off events. [2020-10-16 01:27:54,668 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:27:54,669 INFO L80 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 89 events. 23/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 326 event pairs, 3 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 139. Up to 37 conditions per place. [2020-10-16 01:27:54,672 INFO L132 encePairwiseOnDemand]: 198/201 looper letters, 7 selfloop transitions, 2 changer transitions 2/31 dead transitions. [2020-10-16 01:27:54,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 31 transitions, 96 flow [2020-10-16 01:27:54,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:27:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:27:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2020-10-16 01:27:54,698 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8706467661691543 [2020-10-16 01:27:54,701 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 525 transitions. [2020-10-16 01:27:54,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 525 transitions. [2020-10-16 01:27:54,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:54,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 525 transitions. [2020-10-16 01:27:54,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:27:54,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:27:54,722 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:27:54,725 INFO L185 Difference]: Start difference. First operand has 41 places, 28 transitions, 68 flow. Second operand 3 states and 525 transitions. [2020-10-16 01:27:54,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 31 transitions, 96 flow [2020-10-16 01:27:54,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 31 transitions, 92 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 01:27:54,731 INFO L241 Difference]: Finished difference. Result has 38 places, 26 transitions, 64 flow [2020-10-16 01:27:54,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=38, PETRI_TRANSITIONS=26} [2020-10-16 01:27:54,736 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, -3 predicate places. [2020-10-16 01:27:54,736 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 26 transitions, 64 flow [2020-10-16 01:27:54,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:27:54,736 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:54,737 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:54,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:27:54,737 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:54,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:54,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1357577055, now seen corresponding path program 1 times [2020-10-16 01:27:54,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:54,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714759340] [2020-10-16 01:27:54,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:54,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714759340] [2020-10-16 01:27:54,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:54,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:27:54,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105652574] [2020-10-16 01:27:54,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:27:54,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:54,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:27:54,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:27:54,863 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 201 [2020-10-16 01:27:54,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 26 transitions, 64 flow. Second operand 3 states. [2020-10-16 01:27:54,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:54,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 201 [2020-10-16 01:27:54,864 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:54,878 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2020-10-16 01:27:54,878 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:27:54,879 INFO L80 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 1/27 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2020-10-16 01:27:54,879 INFO L132 encePairwiseOnDemand]: 198/201 looper letters, 1 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2020-10-16 01:27:54,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 26 transitions, 70 flow [2020-10-16 01:27:54,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:27:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:27:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2020-10-16 01:27:54,882 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8922056384742952 [2020-10-16 01:27:54,883 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2020-10-16 01:27:54,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2020-10-16 01:27:54,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:54,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2020-10-16 01:27:54,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:27:54,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:27:54,887 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:27:54,887 INFO L185 Difference]: Start difference. First operand has 38 places, 26 transitions, 64 flow. Second operand 3 states and 538 transitions. [2020-10-16 01:27:54,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 26 transitions, 70 flow [2020-10-16 01:27:54,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 26 transitions, 66 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:27:54,888 INFO L241 Difference]: Finished difference. Result has 38 places, 26 transitions, 68 flow [2020-10-16 01:27:54,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=38, PETRI_TRANSITIONS=26} [2020-10-16 01:27:54,889 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, -3 predicate places. [2020-10-16 01:27:54,890 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 26 transitions, 68 flow [2020-10-16 01:27:54,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:27:54,890 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:54,890 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:54,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:27:54,890 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:54,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:54,891 INFO L82 PathProgramCache]: Analyzing trace with hash 990818122, now seen corresponding path program 1 times [2020-10-16 01:27:54,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:54,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581819532] [2020-10-16 01:27:54,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:55,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581819532] [2020-10-16 01:27:55,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:55,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:27:55,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362606280] [2020-10-16 01:27:55,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:27:55,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:55,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:27:55,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:27:55,006 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 201 [2020-10-16 01:27:55,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 26 transitions, 68 flow. Second operand 5 states. [2020-10-16 01:27:55,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:55,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 201 [2020-10-16 01:27:55,007 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:55,116 INFO L129 PetriNetUnfolder]: 105/268 cut-off events. [2020-10-16 01:27:55,116 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2020-10-16 01:27:55,118 INFO L80 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 268 events. 105/268 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1390 event pairs, 48 based on Foata normal form. 10/269 useless extension candidates. Maximal degree in co-relation 494. Up to 105 conditions per place. [2020-10-16 01:27:55,120 INFO L132 encePairwiseOnDemand]: 194/201 looper letters, 12 selfloop transitions, 11 changer transitions 0/40 dead transitions. [2020-10-16 01:27:55,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 40 transitions, 142 flow [2020-10-16 01:27:55,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:27:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:27:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 809 transitions. [2020-10-16 01:27:55,124 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8049751243781095 [2020-10-16 01:27:55,124 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 809 transitions. [2020-10-16 01:27:55,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 809 transitions. [2020-10-16 01:27:55,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:55,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 809 transitions. [2020-10-16 01:27:55,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:27:55,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:27:55,129 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:27:55,129 INFO L185 Difference]: Start difference. First operand has 38 places, 26 transitions, 68 flow. Second operand 5 states and 809 transitions. [2020-10-16 01:27:55,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 40 transitions, 142 flow [2020-10-16 01:27:55,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 40 transitions, 138 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:27:55,132 INFO L241 Difference]: Finished difference. Result has 43 places, 35 transitions, 133 flow [2020-10-16 01:27:55,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=133, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2020-10-16 01:27:55,133 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 2 predicate places. [2020-10-16 01:27:55,133 INFO L481 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 133 flow [2020-10-16 01:27:55,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:27:55,133 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:55,133 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:55,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 01:27:55,134 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:55,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:55,134 INFO L82 PathProgramCache]: Analyzing trace with hash 2080844396, now seen corresponding path program 1 times [2020-10-16 01:27:55,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:55,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106930265] [2020-10-16 01:27:55,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:55,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106930265] [2020-10-16 01:27:55,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:55,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:27:55,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321884210] [2020-10-16 01:27:55,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:27:55,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:55,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:27:55,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:27:55,249 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 201 [2020-10-16 01:27:55,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 133 flow. Second operand 5 states. [2020-10-16 01:27:55,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:55,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 201 [2020-10-16 01:27:55,250 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:55,367 INFO L129 PetriNetUnfolder]: 52/172 cut-off events. [2020-10-16 01:27:55,367 INFO L130 PetriNetUnfolder]: For 117/141 co-relation queries the response was YES. [2020-10-16 01:27:55,370 INFO L80 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 172 events. 52/172 cut-off events. For 117/141 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 788 event pairs, 26 based on Foata normal form. 8/177 useless extension candidates. Maximal degree in co-relation 403. Up to 82 conditions per place. [2020-10-16 01:27:55,371 INFO L132 encePairwiseOnDemand]: 196/201 looper letters, 10 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2020-10-16 01:27:55,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 41 transitions, 191 flow [2020-10-16 01:27:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 01:27:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 01:27:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 650 transitions. [2020-10-16 01:27:55,375 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8084577114427861 [2020-10-16 01:27:55,375 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 650 transitions. [2020-10-16 01:27:55,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 650 transitions. [2020-10-16 01:27:55,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:55,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 650 transitions. [2020-10-16 01:27:55,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 01:27:55,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 01:27:55,380 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 01:27:55,380 INFO L185 Difference]: Start difference. First operand has 43 places, 35 transitions, 133 flow. Second operand 4 states and 650 transitions. [2020-10-16 01:27:55,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 41 transitions, 191 flow [2020-10-16 01:27:55,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 41 transitions, 191 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 01:27:55,384 INFO L241 Difference]: Finished difference. Result has 48 places, 39 transitions, 176 flow [2020-10-16 01:27:55,384 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2020-10-16 01:27:55,385 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 7 predicate places. [2020-10-16 01:27:55,385 INFO L481 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 176 flow [2020-10-16 01:27:55,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:27:55,385 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:55,385 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:55,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 01:27:55,386 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:55,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:55,386 INFO L82 PathProgramCache]: Analyzing trace with hash -7580004, now seen corresponding path program 1 times [2020-10-16 01:27:55,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:55,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849184681] [2020-10-16 01:27:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:55,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849184681] [2020-10-16 01:27:55,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:55,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:27:55,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071285481] [2020-10-16 01:27:55,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 01:27:55,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:55,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 01:27:55,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 01:27:55,527 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 201 [2020-10-16 01:27:55,527 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 176 flow. Second operand 6 states. [2020-10-16 01:27:55,527 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:55,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 201 [2020-10-16 01:27:55,528 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:55,783 INFO L129 PetriNetUnfolder]: 50/176 cut-off events. [2020-10-16 01:27:55,784 INFO L130 PetriNetUnfolder]: For 232/260 co-relation queries the response was YES. [2020-10-16 01:27:55,785 INFO L80 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 176 events. 50/176 cut-off events. For 232/260 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 869 event pairs, 2 based on Foata normal form. 12/185 useless extension candidates. Maximal degree in co-relation 484. Up to 54 conditions per place. [2020-10-16 01:27:55,787 INFO L132 encePairwiseOnDemand]: 195/201 looper letters, 11 selfloop transitions, 13 changer transitions 0/48 dead transitions. [2020-10-16 01:27:55,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 48 transitions, 270 flow [2020-10-16 01:27:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 01:27:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 01:27:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 968 transitions. [2020-10-16 01:27:55,792 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.802653399668325 [2020-10-16 01:27:55,792 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 968 transitions. [2020-10-16 01:27:55,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 968 transitions. [2020-10-16 01:27:55,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:55,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 968 transitions. [2020-10-16 01:27:55,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 01:27:55,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 01:27:55,798 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 01:27:55,798 INFO L185 Difference]: Start difference. First operand has 48 places, 39 transitions, 176 flow. Second operand 6 states and 968 transitions. [2020-10-16 01:27:55,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 48 transitions, 270 flow [2020-10-16 01:27:55,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 01:27:55,802 INFO L241 Difference]: Finished difference. Result has 55 places, 44 transitions, 243 flow [2020-10-16 01:27:55,802 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=243, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2020-10-16 01:27:55,802 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 14 predicate places. [2020-10-16 01:27:55,802 INFO L481 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 243 flow [2020-10-16 01:27:55,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 01:27:55,803 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:55,803 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:55,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 01:27:55,803 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:55,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:55,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1348041785, now seen corresponding path program 1 times [2020-10-16 01:27:55,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:55,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653740602] [2020-10-16 01:27:55,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:55,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653740602] [2020-10-16 01:27:55,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:55,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:27:55,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430446992] [2020-10-16 01:27:55,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 01:27:55,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:55,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 01:27:55,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 01:27:55,966 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 201 [2020-10-16 01:27:55,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 243 flow. Second operand 6 states. [2020-10-16 01:27:55,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:55,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 201 [2020-10-16 01:27:55,967 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:56,147 INFO L129 PetriNetUnfolder]: 58/204 cut-off events. [2020-10-16 01:27:56,148 INFO L130 PetriNetUnfolder]: For 506/543 co-relation queries the response was YES. [2020-10-16 01:27:56,149 INFO L80 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 204 events. 58/204 cut-off events. For 506/543 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1106 event pairs, 2 based on Foata normal form. 10/211 useless extension candidates. Maximal degree in co-relation 678. Up to 85 conditions per place. [2020-10-16 01:27:56,151 INFO L132 encePairwiseOnDemand]: 194/201 looper letters, 17 selfloop transitions, 11 changer transitions 0/52 dead transitions. [2020-10-16 01:27:56,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 52 transitions, 352 flow [2020-10-16 01:27:56,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:27:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:27:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 787 transitions. [2020-10-16 01:27:56,155 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7830845771144279 [2020-10-16 01:27:56,155 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 787 transitions. [2020-10-16 01:27:56,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 787 transitions. [2020-10-16 01:27:56,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:56,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 787 transitions. [2020-10-16 01:27:56,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:27:56,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:27:56,162 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:27:56,162 INFO L185 Difference]: Start difference. First operand has 55 places, 44 transitions, 243 flow. Second operand 5 states and 787 transitions. [2020-10-16 01:27:56,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 52 transitions, 352 flow [2020-10-16 01:27:56,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 52 transitions, 344 flow, removed 4 selfloop flow, removed 0 redundant places. [2020-10-16 01:27:56,171 INFO L241 Difference]: Finished difference. Result has 61 places, 49 transitions, 310 flow [2020-10-16 01:27:56,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=310, PETRI_PLACES=61, PETRI_TRANSITIONS=49} [2020-10-16 01:27:56,171 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 20 predicate places. [2020-10-16 01:27:56,172 INFO L481 AbstractCegarLoop]: Abstraction has has 61 places, 49 transitions, 310 flow [2020-10-16 01:27:56,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 01:27:56,172 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:56,172 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:56,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 01:27:56,172 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:56,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:56,173 INFO L82 PathProgramCache]: Analyzing trace with hash -932065179, now seen corresponding path program 2 times [2020-10-16 01:27:56,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:56,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231963412] [2020-10-16 01:27:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:56,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231963412] [2020-10-16 01:27:56,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:56,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:27:56,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692008040] [2020-10-16 01:27:56,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 01:27:56,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:56,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 01:27:56,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-16 01:27:56,357 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 201 [2020-10-16 01:27:56,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 49 transitions, 310 flow. Second operand 7 states. [2020-10-16 01:27:56,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:56,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 201 [2020-10-16 01:27:56,358 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:56,543 INFO L129 PetriNetUnfolder]: 58/198 cut-off events. [2020-10-16 01:27:56,543 INFO L130 PetriNetUnfolder]: For 687/757 co-relation queries the response was YES. [2020-10-16 01:27:56,545 INFO L80 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 198 events. 58/198 cut-off events. For 687/757 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1030 event pairs, 0 based on Foata normal form. 18/214 useless extension candidates. Maximal degree in co-relation 730. Up to 55 conditions per place. [2020-10-16 01:27:56,547 INFO L132 encePairwiseOnDemand]: 196/201 looper letters, 14 selfloop transitions, 14 changer transitions 0/52 dead transitions. [2020-10-16 01:27:56,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 52 transitions, 390 flow [2020-10-16 01:27:56,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:27:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:27:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 776 transitions. [2020-10-16 01:27:56,551 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7721393034825871 [2020-10-16 01:27:56,551 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 776 transitions. [2020-10-16 01:27:56,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 776 transitions. [2020-10-16 01:27:56,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:56,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 776 transitions. [2020-10-16 01:27:56,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:27:56,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:27:56,556 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:27:56,556 INFO L185 Difference]: Start difference. First operand has 61 places, 49 transitions, 310 flow. Second operand 5 states and 776 transitions. [2020-10-16 01:27:56,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 52 transitions, 390 flow [2020-10-16 01:27:56,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 52 transitions, 375 flow, removed 4 selfloop flow, removed 1 redundant places. [2020-10-16 01:27:56,560 INFO L241 Difference]: Finished difference. Result has 65 places, 49 transitions, 337 flow [2020-10-16 01:27:56,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=337, PETRI_PLACES=65, PETRI_TRANSITIONS=49} [2020-10-16 01:27:56,561 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 24 predicate places. [2020-10-16 01:27:56,561 INFO L481 AbstractCegarLoop]: Abstraction has has 65 places, 49 transitions, 337 flow [2020-10-16 01:27:56,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 01:27:56,561 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:56,562 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:56,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 01:27:56,562 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:56,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:56,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1371822505, now seen corresponding path program 1 times [2020-10-16 01:27:56,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:56,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399714638] [2020-10-16 01:27:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:56,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399714638] [2020-10-16 01:27:56,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:56,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:27:56,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190630860] [2020-10-16 01:27:56,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:27:56,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:56,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:27:56,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:27:56,624 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 201 [2020-10-16 01:27:56,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 49 transitions, 337 flow. Second operand 4 states. [2020-10-16 01:27:56,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:56,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 201 [2020-10-16 01:27:56,625 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:56,849 INFO L129 PetriNetUnfolder]: 512/1012 cut-off events. [2020-10-16 01:27:56,849 INFO L130 PetriNetUnfolder]: For 2975/3388 co-relation queries the response was YES. [2020-10-16 01:27:56,857 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3084 conditions, 1012 events. 512/1012 cut-off events. For 2975/3388 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 7195 event pairs, 240 based on Foata normal form. 123/984 useless extension candidates. Maximal degree in co-relation 3057. Up to 598 conditions per place. [2020-10-16 01:27:56,865 INFO L132 encePairwiseOnDemand]: 194/201 looper letters, 13 selfloop transitions, 10 changer transitions 0/62 dead transitions. [2020-10-16 01:27:56,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 62 transitions, 409 flow [2020-10-16 01:27:56,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:27:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:27:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 867 transitions. [2020-10-16 01:27:56,869 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8626865671641791 [2020-10-16 01:27:56,869 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 867 transitions. [2020-10-16 01:27:56,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 867 transitions. [2020-10-16 01:27:56,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:56,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 867 transitions. [2020-10-16 01:27:56,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:27:56,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:27:56,874 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:27:56,874 INFO L185 Difference]: Start difference. First operand has 65 places, 49 transitions, 337 flow. Second operand 5 states and 867 transitions. [2020-10-16 01:27:56,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 62 transitions, 409 flow [2020-10-16 01:27:56,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 62 transitions, 356 flow, removed 6 selfloop flow, removed 6 redundant places. [2020-10-16 01:27:56,883 INFO L241 Difference]: Finished difference. Result has 66 places, 58 transitions, 371 flow [2020-10-16 01:27:56,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=371, PETRI_PLACES=66, PETRI_TRANSITIONS=58} [2020-10-16 01:27:56,884 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 25 predicate places. [2020-10-16 01:27:56,884 INFO L481 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 371 flow [2020-10-16 01:27:56,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:27:56,884 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:56,885 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:56,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 01:27:56,885 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:56,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1328558480, now seen corresponding path program 1 times [2020-10-16 01:27:56,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:56,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050798683] [2020-10-16 01:27:56,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:56,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:56,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050798683] [2020-10-16 01:27:56,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:56,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:27:56,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57302869] [2020-10-16 01:27:56,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:27:56,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:56,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:27:56,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:27:56,979 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 201 [2020-10-16 01:27:56,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 371 flow. Second operand 5 states. [2020-10-16 01:27:56,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:56,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 201 [2020-10-16 01:27:56,981 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:57,204 INFO L129 PetriNetUnfolder]: 378/805 cut-off events. [2020-10-16 01:27:57,205 INFO L130 PetriNetUnfolder]: For 3472/5817 co-relation queries the response was YES. [2020-10-16 01:27:57,212 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3275 conditions, 805 events. 378/805 cut-off events. For 3472/5817 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 5577 event pairs, 71 based on Foata normal form. 264/955 useless extension candidates. Maximal degree in co-relation 3248. Up to 557 conditions per place. [2020-10-16 01:27:57,219 INFO L132 encePairwiseOnDemand]: 194/201 looper letters, 11 selfloop transitions, 19 changer transitions 0/69 dead transitions. [2020-10-16 01:27:57,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 69 transitions, 487 flow [2020-10-16 01:27:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 01:27:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 01:27:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1214 transitions. [2020-10-16 01:27:57,224 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8628287135749823 [2020-10-16 01:27:57,224 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1214 transitions. [2020-10-16 01:27:57,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1214 transitions. [2020-10-16 01:27:57,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:57,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1214 transitions. [2020-10-16 01:27:57,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 01:27:57,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 01:27:57,231 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 01:27:57,231 INFO L185 Difference]: Start difference. First operand has 66 places, 58 transitions, 371 flow. Second operand 7 states and 1214 transitions. [2020-10-16 01:27:57,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 69 transitions, 487 flow [2020-10-16 01:27:57,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 69 transitions, 480 flow, removed 1 selfloop flow, removed 1 redundant places. [2020-10-16 01:27:57,240 INFO L241 Difference]: Finished difference. Result has 74 places, 65 transitions, 482 flow [2020-10-16 01:27:57,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=482, PETRI_PLACES=74, PETRI_TRANSITIONS=65} [2020-10-16 01:27:57,240 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 33 predicate places. [2020-10-16 01:27:57,241 INFO L481 AbstractCegarLoop]: Abstraction has has 74 places, 65 transitions, 482 flow [2020-10-16 01:27:57,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:27:57,241 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:57,241 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:27:57,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 01:27:57,241 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:57,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:57,242 INFO L82 PathProgramCache]: Analyzing trace with hash -599861684, now seen corresponding path program 1 times [2020-10-16 01:27:57,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:57,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411120782] [2020-10-16 01:27:57,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:57,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411120782] [2020-10-16 01:27:57,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:57,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:27:57,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480254368] [2020-10-16 01:27:57,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 01:27:57,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:57,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 01:27:57,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 01:27:57,335 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 201 [2020-10-16 01:27:57,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 65 transitions, 482 flow. Second operand 6 states. [2020-10-16 01:27:57,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:57,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 201 [2020-10-16 01:27:57,337 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:57,603 INFO L129 PetriNetUnfolder]: 277/620 cut-off events. [2020-10-16 01:27:57,603 INFO L130 PetriNetUnfolder]: For 4751/9076 co-relation queries the response was YES. [2020-10-16 01:27:57,609 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3404 conditions, 620 events. 277/620 cut-off events. For 4751/9076 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 4075 event pairs, 8 based on Foata normal form. 370/900 useless extension candidates. Maximal degree in co-relation 3373. Up to 496 conditions per place. [2020-10-16 01:27:57,614 INFO L132 encePairwiseOnDemand]: 194/201 looper letters, 6 selfloop transitions, 28 changer transitions 4/75 dead transitions. [2020-10-16 01:27:57,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 658 flow [2020-10-16 01:27:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 01:27:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 01:27:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1561 transitions. [2020-10-16 01:27:57,621 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8629076838032061 [2020-10-16 01:27:57,621 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1561 transitions. [2020-10-16 01:27:57,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1561 transitions. [2020-10-16 01:27:57,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:57,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1561 transitions. [2020-10-16 01:27:57,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 01:27:57,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 01:27:57,633 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 01:27:57,633 INFO L185 Difference]: Start difference. First operand has 74 places, 65 transitions, 482 flow. Second operand 9 states and 1561 transitions. [2020-10-16 01:27:57,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 658 flow [2020-10-16 01:27:57,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 75 transitions, 595 flow, removed 19 selfloop flow, removed 5 redundant places. [2020-10-16 01:27:57,653 INFO L241 Difference]: Finished difference. Result has 80 places, 71 transitions, 571 flow [2020-10-16 01:27:57,657 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=571, PETRI_PLACES=80, PETRI_TRANSITIONS=71} [2020-10-16 01:27:57,657 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 39 predicate places. [2020-10-16 01:27:57,657 INFO L481 AbstractCegarLoop]: Abstraction has has 80 places, 71 transitions, 571 flow [2020-10-16 01:27:57,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 01:27:57,657 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:57,657 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-16 01:27:57,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 01:27:57,658 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:57,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:57,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1485706564, now seen corresponding path program 1 times [2020-10-16 01:27:57,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:57,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535482182] [2020-10-16 01:27:57,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:57,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535482182] [2020-10-16 01:27:57,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:57,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 01:27:57,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843366623] [2020-10-16 01:27:57,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 01:27:57,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:57,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 01:27:57,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-16 01:27:57,782 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 201 [2020-10-16 01:27:57,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 71 transitions, 571 flow. Second operand 9 states. [2020-10-16 01:27:57,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:57,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 201 [2020-10-16 01:27:57,784 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:58,182 INFO L129 PetriNetUnfolder]: 850/1730 cut-off events. [2020-10-16 01:27:58,183 INFO L130 PetriNetUnfolder]: For 11839/21329 co-relation queries the response was YES. [2020-10-16 01:27:58,201 INFO L80 FinitePrefix]: Finished finitePrefix Result has 9229 conditions, 1730 events. 850/1730 cut-off events. For 11839/21329 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 13467 event pairs, 16 based on Foata normal form. 319/1807 useless extension candidates. Maximal degree in co-relation 9196. Up to 1015 conditions per place. [2020-10-16 01:27:58,214 INFO L132 encePairwiseOnDemand]: 193/201 looper letters, 33 selfloop transitions, 41 changer transitions 5/114 dead transitions. [2020-10-16 01:27:58,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 114 transitions, 1131 flow [2020-10-16 01:27:58,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 01:27:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 01:27:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1466 transitions. [2020-10-16 01:27:58,220 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.810392482034273 [2020-10-16 01:27:58,220 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1466 transitions. [2020-10-16 01:27:58,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1466 transitions. [2020-10-16 01:27:58,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:58,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1466 transitions. [2020-10-16 01:27:58,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 01:27:58,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 01:27:58,228 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 01:27:58,228 INFO L185 Difference]: Start difference. First operand has 80 places, 71 transitions, 571 flow. Second operand 9 states and 1466 transitions. [2020-10-16 01:27:58,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 114 transitions, 1131 flow [2020-10-16 01:27:58,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 114 transitions, 924 flow, removed 68 selfloop flow, removed 4 redundant places. [2020-10-16 01:27:58,545 INFO L241 Difference]: Finished difference. Result has 90 places, 103 transitions, 864 flow [2020-10-16 01:27:58,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=864, PETRI_PLACES=90, PETRI_TRANSITIONS=103} [2020-10-16 01:27:58,546 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 49 predicate places. [2020-10-16 01:27:58,546 INFO L481 AbstractCegarLoop]: Abstraction has has 90 places, 103 transitions, 864 flow [2020-10-16 01:27:58,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 01:27:58,546 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:58,546 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-16 01:27:58,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 01:27:58,546 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:58,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:58,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1268595774, now seen corresponding path program 2 times [2020-10-16 01:27:58,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:58,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157843210] [2020-10-16 01:27:58,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:58,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157843210] [2020-10-16 01:27:58,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:58,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:27:58,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360331370] [2020-10-16 01:27:58,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:27:58,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:58,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:27:58,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:27:58,608 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 201 [2020-10-16 01:27:58,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 103 transitions, 864 flow. Second operand 4 states. [2020-10-16 01:27:58,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:58,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 201 [2020-10-16 01:27:58,609 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:27:59,068 INFO L129 PetriNetUnfolder]: 1152/2617 cut-off events. [2020-10-16 01:27:59,069 INFO L130 PetriNetUnfolder]: For 14796/17803 co-relation queries the response was YES. [2020-10-16 01:27:59,104 INFO L80 FinitePrefix]: Finished finitePrefix Result has 12178 conditions, 2617 events. 1152/2617 cut-off events. For 14796/17803 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 24108 event pairs, 71 based on Foata normal form. 45/2382 useless extension candidates. Maximal degree in co-relation 12138. Up to 835 conditions per place. [2020-10-16 01:27:59,122 INFO L132 encePairwiseOnDemand]: 198/201 looper letters, 4 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2020-10-16 01:27:59,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 105 transitions, 890 flow [2020-10-16 01:27:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 01:27:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 01:27:59,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 699 transitions. [2020-10-16 01:27:59,125 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8694029850746269 [2020-10-16 01:27:59,126 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 699 transitions. [2020-10-16 01:27:59,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 699 transitions. [2020-10-16 01:27:59,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:27:59,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 699 transitions. [2020-10-16 01:27:59,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 01:27:59,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 01:27:59,130 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 01:27:59,130 INFO L185 Difference]: Start difference. First operand has 90 places, 103 transitions, 864 flow. Second operand 4 states and 699 transitions. [2020-10-16 01:27:59,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 105 transitions, 890 flow [2020-10-16 01:27:59,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 105 transitions, 871 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-16 01:27:59,477 INFO L241 Difference]: Finished difference. Result has 92 places, 104 transitions, 860 flow [2020-10-16 01:27:59,477 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=860, PETRI_PLACES=92, PETRI_TRANSITIONS=104} [2020-10-16 01:27:59,477 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 51 predicate places. [2020-10-16 01:27:59,478 INFO L481 AbstractCegarLoop]: Abstraction has has 92 places, 104 transitions, 860 flow [2020-10-16 01:27:59,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:27:59,478 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:27:59,478 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-16 01:27:59,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 01:27:59,478 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:27:59,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:27:59,479 INFO L82 PathProgramCache]: Analyzing trace with hash 4966590, now seen corresponding path program 3 times [2020-10-16 01:27:59,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:27:59,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160380714] [2020-10-16 01:27:59,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:27:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:27:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:27:59,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160380714] [2020-10-16 01:27:59,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:27:59,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:27:59,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618646545] [2020-10-16 01:27:59,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 01:27:59,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:27:59,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 01:27:59,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-16 01:27:59,562 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 201 [2020-10-16 01:27:59,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 104 transitions, 860 flow. Second operand 6 states. [2020-10-16 01:27:59,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:27:59,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 201 [2020-10-16 01:27:59,563 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:28:00,745 INFO L129 PetriNetUnfolder]: 2542/5891 cut-off events. [2020-10-16 01:28:00,745 INFO L130 PetriNetUnfolder]: For 38152/43038 co-relation queries the response was YES. [2020-10-16 01:28:00,805 INFO L80 FinitePrefix]: Finished finitePrefix Result has 27714 conditions, 5891 events. 2542/5891 cut-off events. For 38152/43038 co-relation queries the response was YES. Maximal size of possible extension queue 1147. Compared 62380 event pairs, 39 based on Foata normal form. 230/5585 useless extension candidates. Maximal degree in co-relation 27673. Up to 1897 conditions per place. [2020-10-16 01:28:00,831 INFO L132 encePairwiseOnDemand]: 196/201 looper letters, 14 selfloop transitions, 9 changer transitions 0/116 dead transitions. [2020-10-16 01:28:00,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 116 transitions, 1042 flow [2020-10-16 01:28:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 01:28:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 01:28:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 969 transitions. [2020-10-16 01:28:00,835 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8034825870646766 [2020-10-16 01:28:00,835 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 969 transitions. [2020-10-16 01:28:00,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 969 transitions. [2020-10-16 01:28:00,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:28:00,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 969 transitions. [2020-10-16 01:28:00,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 01:28:00,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 01:28:00,841 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 01:28:00,841 INFO L185 Difference]: Start difference. First operand has 92 places, 104 transitions, 860 flow. Second operand 6 states and 969 transitions. [2020-10-16 01:28:00,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 116 transitions, 1042 flow [2020-10-16 01:28:02,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 116 transitions, 1041 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 01:28:02,045 INFO L241 Difference]: Finished difference. Result has 99 places, 110 transitions, 953 flow [2020-10-16 01:28:02,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=859, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=953, PETRI_PLACES=99, PETRI_TRANSITIONS=110} [2020-10-16 01:28:02,046 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 58 predicate places. [2020-10-16 01:28:02,046 INFO L481 AbstractCegarLoop]: Abstraction has has 99 places, 110 transitions, 953 flow [2020-10-16 01:28:02,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 01:28:02,046 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:28:02,047 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-16 01:28:02,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 01:28:02,047 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:28:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:28:02,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1105661182, now seen corresponding path program 4 times [2020-10-16 01:28:02,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:28:02,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356508797] [2020-10-16 01:28:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:28:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:28:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:28:02,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356508797] [2020-10-16 01:28:02,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:28:02,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 01:28:02,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868076519] [2020-10-16 01:28:02,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 01:28:02,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:28:02,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 01:28:02,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 01:28:02,138 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 201 [2020-10-16 01:28:02,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 110 transitions, 953 flow. Second operand 7 states. [2020-10-16 01:28:02,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:28:02,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 201 [2020-10-16 01:28:02,139 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:28:03,471 INFO L129 PetriNetUnfolder]: 2345/5467 cut-off events. [2020-10-16 01:28:03,472 INFO L130 PetriNetUnfolder]: For 39818/61140 co-relation queries the response was YES. [2020-10-16 01:28:03,547 INFO L80 FinitePrefix]: Finished finitePrefix Result has 29454 conditions, 5467 events. 2345/5467 cut-off events. For 39818/61140 co-relation queries the response was YES. Maximal size of possible extension queue 1109. Compared 57921 event pairs, 68 based on Foata normal form. 3051/8092 useless extension candidates. Maximal degree in co-relation 29409. Up to 1873 conditions per place. [2020-10-16 01:28:03,558 INFO L132 encePairwiseOnDemand]: 194/201 looper letters, 2 selfloop transitions, 55 changer transitions 29/115 dead transitions. [2020-10-16 01:28:03,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 115 transitions, 1155 flow [2020-10-16 01:28:03,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 01:28:03,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 01:28:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1900 transitions. [2020-10-16 01:28:03,564 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8593396653098145 [2020-10-16 01:28:03,564 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1900 transitions. [2020-10-16 01:28:03,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1900 transitions. [2020-10-16 01:28:03,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:28:03,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1900 transitions. [2020-10-16 01:28:03,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 01:28:03,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 01:28:03,574 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 01:28:03,574 INFO L185 Difference]: Start difference. First operand has 99 places, 110 transitions, 953 flow. Second operand 11 states and 1900 transitions. [2020-10-16 01:28:03,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 115 transitions, 1155 flow [2020-10-16 01:28:04,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 115 transitions, 1122 flow, removed 6 selfloop flow, removed 4 redundant places. [2020-10-16 01:28:04,905 INFO L241 Difference]: Finished difference. Result has 108 places, 86 transitions, 842 flow [2020-10-16 01:28:04,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=842, PETRI_PLACES=108, PETRI_TRANSITIONS=86} [2020-10-16 01:28:04,906 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 67 predicate places. [2020-10-16 01:28:04,906 INFO L481 AbstractCegarLoop]: Abstraction has has 108 places, 86 transitions, 842 flow [2020-10-16 01:28:04,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 01:28:04,906 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:28:04,906 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:28:04,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 01:28:04,907 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:28:04,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:28:04,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1971461444, now seen corresponding path program 1 times [2020-10-16 01:28:04,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:28:04,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947154424] [2020-10-16 01:28:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:28:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:28:04,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:28:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:28:04,973 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:28:05,011 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:28:05,011 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:28:05,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 01:28:05,013 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 01:28:05,027 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [979] [979] L846-->L853: Formula: (let ((.cse6 (= (mod ~z$r_buff1_thd0~0_In415832768 256) 0)) (.cse7 (= (mod ~z$w_buff1_used~0_In415832768 256) 0)) (.cse9 (= (mod ~z$r_buff0_thd0~0_In415832768 256) 0)) (.cse8 (= (mod ~z$w_buff0_used~0_In415832768 256) 0))) (let ((.cse0 (or .cse9 .cse8)) (.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse4 (not .cse7)) (.cse5 (not .cse6)) (.cse3 (or .cse6 .cse7))) (and (or (and .cse0 (= ~z$w_buff0_used~0_Out415832768 ~z$w_buff0_used~0_In415832768)) (and .cse1 .cse2 (= ~z$w_buff0_used~0_Out415832768 0))) (= ~z$r_buff0_thd0~0_Out415832768 ~z$r_buff0_thd0~0_In415832768) (= ~z$r_buff1_thd0~0_Out415832768 ~z$r_buff1_thd0~0_In415832768) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out415832768 0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In415832768| ULTIMATE.start_assume_abort_if_not_~cond_Out415832768) (or (and .cse0 (or (and (= ~z~0_Out415832768 ~z~0_In415832768) .cse3) (and .cse4 (= ~z~0_Out415832768 ~z$w_buff1~0_In415832768) .cse5))) (and .cse1 (= ~z~0_Out415832768 ~z$w_buff0~0_In415832768) .cse2)) (or (and .cse4 (= ~z$w_buff1_used~0_Out415832768 0) .cse5) (and (= ~z$w_buff1_used~0_Out415832768 ~z$w_buff1_used~0_In415832768) .cse3))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In415832768|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In415832768, ~z$w_buff0_used~0=~z$w_buff0_used~0_In415832768, ~z$w_buff0~0=~z$w_buff0~0_In415832768, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In415832768, ~z$w_buff1_used~0=~z$w_buff1_used~0_In415832768, ~z$w_buff1~0=~z$w_buff1~0_In415832768, ~z~0=~z~0_In415832768} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out415832768, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out415832768|, ~z$w_buff0~0=~z$w_buff0~0_In415832768, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out415832768|, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out415832768, ~z$w_buff1~0=~z$w_buff1~0_In415832768, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out415832768|, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out415832768|, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out415832768|, ULTIMATE.start_main_#t~ite23=|ULTIMATE.start_main_#t~ite23_Out415832768|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In415832768|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out415832768, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out415832768, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out415832768, ~z~0=~z~0_Out415832768} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite19, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite23] because there is no mapped edge [2020-10-16 01:28:05,034 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,034 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,036 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,036 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,036 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,037 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,037 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,037 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,038 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,038 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,039 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,039 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,039 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,039 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,039 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,039 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,040 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,040 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,040 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,040 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,041 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,041 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,041 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,041 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,041 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,041 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,042 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,042 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,042 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,042 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,042 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,042 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,043 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,043 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,043 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,043 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,043 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,043 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,044 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:28:05,044 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:28:05,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:28:05 BasicIcfg [2020-10-16 01:28:05,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:28:05,136 INFO L168 Benchmark]: Toolchain (without parser) took 24633.36 ms. Allocated memory was 253.2 MB in the beginning and 852.5 MB in the end (delta: 599.3 MB). Free memory was 208.0 MB in the beginning and 640.5 MB in the end (delta: -432.5 MB). Peak memory consumption was 166.7 MB. Max. memory is 14.2 GB. [2020-10-16 01:28:05,136 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:28:05,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.77 ms. Allocated memory was 253.2 MB in the beginning and 319.8 MB in the end (delta: 66.6 MB). Free memory was 208.0 MB in the beginning and 270.6 MB in the end (delta: -62.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.2 GB. [2020-10-16 01:28:05,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.82 ms. Allocated memory is still 319.8 MB. Free memory was 268.0 MB in the beginning and 265.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:28:05,139 INFO L168 Benchmark]: Boogie Preprocessor took 41.59 ms. Allocated memory is still 319.8 MB. Free memory was 265.5 MB in the beginning and 263.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:28:05,140 INFO L168 Benchmark]: RCFGBuilder took 2006.79 ms. Allocated memory was 319.8 MB in the beginning and 361.8 MB in the end (delta: 41.9 MB). Free memory was 263.0 MB in the beginning and 206.7 MB in the end (delta: 56.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 14.2 GB. [2020-10-16 01:28:05,140 INFO L168 Benchmark]: TraceAbstraction took 21782.84 ms. Allocated memory was 361.8 MB in the beginning and 852.5 MB in the end (delta: 490.7 MB). Free memory was 206.7 MB in the beginning and 640.5 MB in the end (delta: -433.8 MB). Peak memory consumption was 56.9 MB. Max. memory is 14.2 GB. [2020-10-16 01:28:05,145 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 727.77 ms. Allocated memory was 253.2 MB in the beginning and 319.8 MB in the end (delta: 66.6 MB). Free memory was 208.0 MB in the beginning and 270.6 MB in the end (delta: -62.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 68.82 ms. Allocated memory is still 319.8 MB. Free memory was 268.0 MB in the beginning and 265.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.59 ms. Allocated memory is still 319.8 MB. Free memory was 265.5 MB in the beginning and 263.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2006.79 ms. Allocated memory was 319.8 MB in the beginning and 361.8 MB in the end (delta: 41.9 MB). Free memory was 263.0 MB in the beginning and 206.7 MB in the end (delta: 56.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 21782.84 ms. Allocated memory was 361.8 MB in the beginning and 852.5 MB in the end (delta: 490.7 MB). Free memory was 206.7 MB in the beginning and 640.5 MB in the end (delta: -433.8 MB). Peak memory consumption was 56.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1709 VarBasedMoverChecksPositive, 80 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 64 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.9s, 219 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.6s, 119 PlacesBefore, 41 PlacesAfterwards, 108 TransitionsBefore, 28 TransitionsAfterwards, 2540 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 89 TotalNumberOfCompositions, 6449 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p0_EAX = 0; [L703] 0 int __unbuffered_p3_EAX = 0; [L705] 0 int __unbuffered_p3_EBX = 0; [L707] 0 int a = 0; [L709] 0 int b = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L717] 0 int z = 0; [L718] 0 _Bool z$flush_delayed; [L719] 0 int z$mem_tmp; [L720] 0 _Bool z$r_buff0_thd0; [L721] 0 _Bool z$r_buff0_thd1; [L722] 0 _Bool z$r_buff0_thd2; [L723] 0 _Bool z$r_buff0_thd3; [L724] 0 _Bool z$r_buff0_thd4; [L725] 0 _Bool z$r_buff1_thd0; [L726] 0 _Bool z$r_buff1_thd1; [L727] 0 _Bool z$r_buff1_thd2; [L728] 0 _Bool z$r_buff1_thd3; [L729] 0 _Bool z$r_buff1_thd4; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L835] 0 pthread_t t1229; [L836] FCALL, FORK 0 pthread_create(&t1229, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L837] 0 pthread_t t1230; [L838] FCALL, FORK 0 pthread_create(&t1230, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L839] 0 pthread_t t1231; [L840] FCALL, FORK 0 pthread_create(&t1231, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L841] 0 pthread_t t1232; [L842] FCALL, FORK 0 pthread_create(&t1232, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L791] 4 z$w_buff1 = z$w_buff0 [L792] 4 z$w_buff0 = 2 [L793] 4 z$w_buff1_used = z$w_buff0_used [L794] 4 z$w_buff0_used = (_Bool)1 [L7] COND FALSE 4 !(!expression) [L796] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L797] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L798] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L799] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L800] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L801] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L804] 4 a = 1 [L807] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L744] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 2 return 0; [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L751] 1 return 0; [L774] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L777] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L777] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L777] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L778] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L778] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L779] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L779] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L780] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L780] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L781] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L781] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L784] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L786] 3 return 0; [L813] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L813] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L813] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L813] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L814] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L814] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L815] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L815] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L816] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L816] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L817] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L817] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L820] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L822] 4 return 0; [L844] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L855] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L856] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L857] 0 z$flush_delayed = weak$$choice2 [L858] 0 z$mem_tmp = z [L859] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L859] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L860] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L860] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L861] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L861] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L861] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L861] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L862] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L862] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L863] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L864] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L864] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L864] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L865] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L865] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L866] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L867] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L867] 0 z = z$flush_delayed ? z$mem_tmp : z [L868] 0 z$flush_delayed = (_Bool)0 [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 21.5s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.7s, HoareTripleCheckerStatistics: 53 SDtfs, 51 SDslu, 35 SDs, 0 SdLazy, 422 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=953occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 23794 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...