/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi006_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:55:31,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:55:31,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:55:31,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:55:31,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:55:31,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:55:31,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:55:31,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:55:31,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:55:31,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:55:31,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:55:31,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:55:31,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:55:31,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:55:31,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:55:31,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:55:31,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:55:31,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:55:31,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:55:31,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:55:31,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:55:31,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:55:31,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:55:31,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:55:31,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 04:55:31,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:55:31,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:55:31,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:55:31,810 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-RepeatedVariableLbe.epf [2021-03-25 04:55:31,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:55:31,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:55:31,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:55:31,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:55:31,847 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:55:31,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:55:31,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:55:31,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:55:31,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:55:31,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:55:31,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:55:31,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:55:31,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:55:31,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:55:31,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:55:31,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:55:31,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:55:31,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:55:31,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:55:31,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:55:31,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:55:31,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:55:31,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:55:31,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:55:31,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:55:31,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:55:31,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:55:31,851 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:55:31,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:55:31,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:55:31,852 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:55:32,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:55:32,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:55:32,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:55:32,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:55:32,165 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:55:32,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_tso.opt.i [2021-03-25 04:55:32,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d953a6ca7/e13307392e4742eda33ae626fe20fa12/FLAGc57258b97 [2021-03-25 04:55:32,681 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:55:32,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_tso.opt.i [2021-03-25 04:55:32,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d953a6ca7/e13307392e4742eda33ae626fe20fa12/FLAGc57258b97 [2021-03-25 04:55:32,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d953a6ca7/e13307392e4742eda33ae626fe20fa12 [2021-03-25 04:55:32,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:55:32,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:55:32,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:55:32,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:55:32,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:55:32,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:55:32" (1/1) ... [2021-03-25 04:55:32,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625a721d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:32, skipping insertion in model container [2021-03-25 04:55:32,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:55:32" (1/1) ... [2021-03-25 04:55:32,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:55:32,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:55:32,905 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_tso.opt.i[948,961] [2021-03-25 04:55:33,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:55:33,117 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:55:33,130 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_tso.opt.i[948,961] [2021-03-25 04:55:33,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:55:33,271 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:55:33,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33 WrapperNode [2021-03-25 04:55:33,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:55:33,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:55:33,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:55:33,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:55:33,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:55:33,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:55:33,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:55:33,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:55:33,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (1/1) ... [2021-03-25 04:55:33,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:55:33,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:55:33,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:55:33,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:55:33,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (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 [2021-03-25 04:55:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:55:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:55:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:55:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:55:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:55:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:55:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:55:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:55:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 04:55:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 04:55:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:55:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:55:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:55:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:55:33,417 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:55:35,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:55:35,706 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:55:35,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:55:35 BoogieIcfgContainer [2021-03-25 04:55:35,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:55:35,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:55:35,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:55:35,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:55:35,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:55:32" (1/3) ... [2021-03-25 04:55:35,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94249bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:55:35, skipping insertion in model container [2021-03-25 04:55:35,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:55:33" (2/3) ... [2021-03-25 04:55:35,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94249bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:55:35, skipping insertion in model container [2021-03-25 04:55:35,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:55:35" (3/3) ... [2021-03-25 04:55:35,713 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi006_tso.opt.i [2021-03-25 04:55:35,719 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:55:35,722 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:55:35,723 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:55:35,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,759 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,759 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,759 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,760 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,763 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,763 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,764 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,764 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,764 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,764 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,765 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,765 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,786 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,786 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,790 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,790 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,792 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,793 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,795 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:55:35,796 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:55:35,812 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 04:55:35,829 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:55:35,829 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:55:35,829 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:55:35,829 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:55:35,829 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:55:35,829 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:55:35,829 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:55:35,830 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:55:35,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-03-25 04:55:35,871 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-25 04:55:35,872 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:55:35,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-25 04:55:35,875 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-03-25 04:55:35,879 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-03-25 04:55:35,880 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:35,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2021-03-25 04:55:35,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2021-03-25 04:55:35,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2021-03-25 04:55:35,910 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-25 04:55:35,910 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:55:35,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-25 04:55:35,913 INFO L142 LiptonReduction]: Number of co-enabled transitions 1690 [2021-03-25 04:55:36,999 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:55:37,380 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:55:37,560 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:55:38,421 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 04:55:38,698 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 04:55:40,029 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 04:55:40,614 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 04:55:41,006 INFO L154 LiptonReduction]: Checked pairs total: 2757 [2021-03-25 04:55:41,006 INFO L156 LiptonReduction]: Total number of compositions: 59 [2021-03-25 04:55:41,008 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5129 [2021-03-25 04:55:41,024 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-25 04:55:41,024 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:55:41,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:41,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:55:41,025 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:41,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:41,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1947078235, now seen corresponding path program 1 times [2021-03-25 04:55:41,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:41,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305568128] [2021-03-25 04:55:41,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:55:41,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:55:41,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:55:41,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305568128] [2021-03-25 04:55:41,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:55:41,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:55:41,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836799387] [2021-03-25 04:55:41,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:55:41,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:55:41,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:55:41,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:55:41,280 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 157 [2021-03-25 04:55:41,282 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:41,282 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:55:41,282 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 157 [2021-03-25 04:55:41,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:55:41,384 INFO L129 PetriNetUnfolder]: 69/189 cut-off events. [2021-03-25 04:55:41,385 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:55:41,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 189 events. 69/189 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 892 event pairs, 9 based on Foata normal form. 14/192 useless extension candidates. Maximal degree in co-relation 295. Up to 97 conditions per place. [2021-03-25 04:55:41,389 INFO L132 encePairwiseOnDemand]: 153/157 looper letters, 10 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2021-03-25 04:55:41,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 43 transitions, 119 flow [2021-03-25 04:55:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:55:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:55:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions. [2021-03-25 04:55:41,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8853503184713376 [2021-03-25 04:55:41,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 417 transitions. [2021-03-25 04:55:41,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 417 transitions. [2021-03-25 04:55:41,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:55:41,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 417 transitions. [2021-03-25 04:55:41,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:41,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:41,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:41,428 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 93 flow. Second operand 3 states and 417 transitions. [2021-03-25 04:55:41,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 43 transitions, 119 flow [2021-03-25 04:55:41,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 43 transitions, 116 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 04:55:41,432 INFO L241 Difference]: Finished difference. Result has 48 places, 39 transitions, 88 flow [2021-03-25 04:55:41,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2021-03-25 04:55:41,434 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2021-03-25 04:55:41,434 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:41,434 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 39 transitions, 88 flow [2021-03-25 04:55:41,435 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 39 transitions, 88 flow [2021-03-25 04:55:41,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 39 transitions, 88 flow [2021-03-25 04:55:41,441 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-25 04:55:41,441 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:55:41,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:55:41,443 INFO L142 LiptonReduction]: Number of co-enabled transitions 362 [2021-03-25 04:55:41,845 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 04:55:41,976 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 04:55:42,641 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2021-03-25 04:55:42,931 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 04:55:43,560 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 04:55:44,173 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 04:55:44,922 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2021-03-25 04:55:45,218 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-03-25 04:55:45,866 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-03-25 04:55:46,467 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-03-25 04:55:46,850 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-03-25 04:55:47,329 INFO L154 LiptonReduction]: Checked pairs total: 1596 [2021-03-25 04:55:47,329 INFO L156 LiptonReduction]: Total number of compositions: 16 [2021-03-25 04:55:47,329 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5895 [2021-03-25 04:55:47,330 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2021-03-25 04:55:47,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:47,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:47,330 INFO L263 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] [2021-03-25 04:55:47,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:55:47,331 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:47,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:47,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1504232404, now seen corresponding path program 1 times [2021-03-25 04:55:47,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:47,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516556252] [2021-03-25 04:55:47,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:55:47,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:47,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:55:47,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:47,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:47,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:55:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:55:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:55:47,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516556252] [2021-03-25 04:55:47,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:55:47,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:55:47,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233304984] [2021-03-25 04:55:47,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:55:47,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:55:47,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:55:47,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:55:47,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 173 [2021-03-25 04:55:47,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:47,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:55:47,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 173 [2021-03-25 04:55:47,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:55:47,538 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2021-03-25 04:55:47,538 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:55:47,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 27 events. 1/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 34. Up to 3 conditions per place. [2021-03-25 04:55:47,541 INFO L132 encePairwiseOnDemand]: 169/173 looper letters, 1 selfloop transitions, 2 changer transitions 4/26 dead transitions. [2021-03-25 04:55:47,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 26 transitions, 74 flow [2021-03-25 04:55:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:55:47,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:55:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 752 transitions. [2021-03-25 04:55:47,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.869364161849711 [2021-03-25 04:55:47,546 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 752 transitions. [2021-03-25 04:55:47,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 752 transitions. [2021-03-25 04:55:47,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:55:47,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 752 transitions. [2021-03-25 04:55:47,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 150.4) internal successors, (752), 5 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:47,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:47,550 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:47,550 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 5 states and 752 transitions. [2021-03-25 04:55:47,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 26 transitions, 74 flow [2021-03-25 04:55:47,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 26 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:55:47,551 INFO L241 Difference]: Finished difference. Result has 36 places, 22 transitions, 58 flow [2021-03-25 04:55:47,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=58, PETRI_PLACES=36, PETRI_TRANSITIONS=22} [2021-03-25 04:55:47,551 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -15 predicate places. [2021-03-25 04:55:47,552 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:47,552 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 22 transitions, 58 flow [2021-03-25 04:55:47,552 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 22 transitions, 58 flow [2021-03-25 04:55:47,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 22 transitions, 58 flow [2021-03-25 04:55:47,554 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-25 04:55:47,555 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:55:47,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:55:47,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 216 [2021-03-25 04:55:47,844 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-25 04:55:47,972 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-25 04:55:48,290 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-25 04:55:48,437 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-25 04:55:48,439 INFO L154 LiptonReduction]: Checked pairs total: 510 [2021-03-25 04:55:48,439 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:55:48,439 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 887 [2021-03-25 04:55:48,440 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 56 flow [2021-03-25 04:55:48,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:48,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:55:48,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:55:48,441 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:48,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:48,442 INFO L82 PathProgramCache]: Analyzing trace with hash 449132021, now seen corresponding path program 1 times [2021-03-25 04:55:48,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:48,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895707083] [2021-03-25 04:55:48,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:55:48,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:48,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:55:48,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895707083] [2021-03-25 04:55:48,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:55:48,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 04:55:48,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476445987] [2021-03-25 04:55:48,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:55:48,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:55:48,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:55:48,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:55:48,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 174 [2021-03-25 04:55:48,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:55:48,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 174 [2021-03-25 04:55:48,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:55:48,556 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-25 04:55:48,557 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 04:55:48,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 21 events. 0/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 1/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:55:48,557 INFO L132 encePairwiseOnDemand]: 171/174 looper letters, 1 selfloop transitions, 2 changer transitions 0/21 dead transitions. [2021-03-25 04:55:48,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 21 transitions, 62 flow [2021-03-25 04:55:48,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:55:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:55:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2021-03-25 04:55:48,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9042145593869731 [2021-03-25 04:55:48,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 472 transitions. [2021-03-25 04:55:48,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 472 transitions. [2021-03-25 04:55:48,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:55:48,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 472 transitions. [2021-03-25 04:55:48,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,562 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,563 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 56 flow. Second operand 3 states and 472 transitions. [2021-03-25 04:55:48,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 21 transitions, 62 flow [2021-03-25 04:55:48,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 21 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:55:48,564 INFO L241 Difference]: Finished difference. Result has 32 places, 21 transitions, 60 flow [2021-03-25 04:55:48,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=32, PETRI_TRANSITIONS=21} [2021-03-25 04:55:48,564 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -19 predicate places. [2021-03-25 04:55:48,564 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:48,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 21 transitions, 60 flow [2021-03-25 04:55:48,565 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 21 transitions, 60 flow [2021-03-25 04:55:48,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 21 transitions, 60 flow [2021-03-25 04:55:48,571 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-25 04:55:48,571 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 04:55:48,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 21 events. 0/21 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:55:48,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-25 04:55:48,572 INFO L154 LiptonReduction]: Checked pairs total: 241 [2021-03-25 04:55:48,573 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:55:48,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-25 04:55:48,573 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 60 flow [2021-03-25 04:55:48,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:48,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:55:48,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:55:48,574 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:48,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:48,575 INFO L82 PathProgramCache]: Analyzing trace with hash -144713058, now seen corresponding path program 1 times [2021-03-25 04:55:48,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:48,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133730166] [2021-03-25 04:55:48,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:55:48,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:48,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:48,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:55:48,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133730166] [2021-03-25 04:55:48,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:55:48,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:55:48,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360214921] [2021-03-25 04:55:48,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:55:48,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:55:48,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:55:48,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:55:48,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 174 [2021-03-25 04:55:48,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 60 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:55:48,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 174 [2021-03-25 04:55:48,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:55:48,782 INFO L129 PetriNetUnfolder]: 5/48 cut-off events. [2021-03-25 04:55:48,782 INFO L130 PetriNetUnfolder]: For 19/36 co-relation queries the response was YES. [2021-03-25 04:55:48,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 48 events. 5/48 cut-off events. For 19/36 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 153 event pairs, 1 based on Foata normal form. 3/49 useless extension candidates. Maximal degree in co-relation 76. Up to 7 conditions per place. [2021-03-25 04:55:48,783 INFO L132 encePairwiseOnDemand]: 170/174 looper letters, 4 selfloop transitions, 3 changer transitions 1/24 dead transitions. [2021-03-25 04:55:48,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 24 transitions, 83 flow [2021-03-25 04:55:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:55:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:55:48,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 598 transitions. [2021-03-25 04:55:48,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8591954022988506 [2021-03-25 04:55:48,787 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 598 transitions. [2021-03-25 04:55:48,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 598 transitions. [2021-03-25 04:55:48,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:55:48,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 598 transitions. [2021-03-25 04:55:48,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.5) internal successors, (598), 4 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,791 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,791 INFO L185 Difference]: Start difference. First operand has 32 places, 21 transitions, 60 flow. Second operand 4 states and 598 transitions. [2021-03-25 04:55:48,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 24 transitions, 83 flow [2021-03-25 04:55:48,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 24 transitions, 79 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:55:48,792 INFO L241 Difference]: Finished difference. Result has 35 places, 21 transitions, 70 flow [2021-03-25 04:55:48,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=70, PETRI_PLACES=35, PETRI_TRANSITIONS=21} [2021-03-25 04:55:48,792 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -16 predicate places. [2021-03-25 04:55:48,792 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:48,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 21 transitions, 70 flow [2021-03-25 04:55:48,793 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 21 transitions, 70 flow [2021-03-25 04:55:48,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 21 transitions, 70 flow [2021-03-25 04:55:48,797 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-25 04:55:48,798 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 04:55:48,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 21 events. 0/21 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:55:48,798 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-25 04:55:48,800 INFO L154 LiptonReduction]: Checked pairs total: 204 [2021-03-25 04:55:48,800 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:55:48,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 04:55:48,801 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 21 transitions, 70 flow [2021-03-25 04:55:48,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:48,801 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:55:48,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:55:48,802 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:48,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:48,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1307090539, now seen corresponding path program 1 times [2021-03-25 04:55:48,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:48,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561420491] [2021-03-25 04:55:48,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:55:48,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:48,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:48,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:48,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:55:48,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:48,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:55:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:55:48,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561420491] [2021-03-25 04:55:48,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:55:48,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:55:48,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677927554] [2021-03-25 04:55:48,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:55:48,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:55:48,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:55:48,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:55:48,877 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 174 [2021-03-25 04:55:48,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 21 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:55:48,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 174 [2021-03-25 04:55:48,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:55:48,923 INFO L129 PetriNetUnfolder]: 28/79 cut-off events. [2021-03-25 04:55:48,923 INFO L130 PetriNetUnfolder]: For 44/45 co-relation queries the response was YES. [2021-03-25 04:55:48,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 79 events. 28/79 cut-off events. For 44/45 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 294 event pairs, 12 based on Foata normal form. 8/86 useless extension candidates. Maximal degree in co-relation 172. Up to 45 conditions per place. [2021-03-25 04:55:48,926 INFO L132 encePairwiseOnDemand]: 168/174 looper letters, 5 selfloop transitions, 4 changer transitions 7/31 dead transitions. [2021-03-25 04:55:48,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 31 transitions, 122 flow [2021-03-25 04:55:48,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:55:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:55:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 748 transitions. [2021-03-25 04:55:48,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8597701149425288 [2021-03-25 04:55:48,928 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 748 transitions. [2021-03-25 04:55:48,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 748 transitions. [2021-03-25 04:55:48,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:55:48,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 748 transitions. [2021-03-25 04:55:48,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.6) internal successors, (748), 5 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 174.0) internal successors, (1044), 6 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,932 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 174.0) internal successors, (1044), 6 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,933 INFO L185 Difference]: Start difference. First operand has 35 places, 21 transitions, 70 flow. Second operand 5 states and 748 transitions. [2021-03-25 04:55:48,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 31 transitions, 122 flow [2021-03-25 04:55:48,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 31 transitions, 108 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-25 04:55:48,935 INFO L241 Difference]: Finished difference. Result has 37 places, 24 transitions, 92 flow [2021-03-25 04:55:48,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=92, PETRI_PLACES=37, PETRI_TRANSITIONS=24} [2021-03-25 04:55:48,935 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -14 predicate places. [2021-03-25 04:55:48,935 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:48,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 24 transitions, 92 flow [2021-03-25 04:55:48,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 24 transitions, 92 flow [2021-03-25 04:55:48,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 24 transitions, 92 flow [2021-03-25 04:55:48,945 INFO L129 PetriNetUnfolder]: 23/66 cut-off events. [2021-03-25 04:55:48,945 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2021-03-25 04:55:48,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 66 events. 23/66 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 237 event pairs, 11 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 166. Up to 38 conditions per place. [2021-03-25 04:55:48,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-25 04:55:48,948 INFO L154 LiptonReduction]: Checked pairs total: 172 [2021-03-25 04:55:48,948 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:55:48,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-25 04:55:48,949 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 24 transitions, 92 flow [2021-03-25 04:55:48,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:48,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:48,950 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:55:48,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:55:48,950 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:48,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:48,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1976459978, now seen corresponding path program 1 times [2021-03-25 04:55:48,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:48,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854380844] [2021-03-25 04:55:48,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:55:49,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:49,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:49,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:55:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:55:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:55:49,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854380844] [2021-03-25 04:55:49,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:55:49,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:55:49,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384063556] [2021-03-25 04:55:49,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:55:49,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:55:49,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:55:49,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:55:49,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 174 [2021-03-25 04:55:49,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 24 transitions, 92 flow. Second operand has 5 states, 5 states have (on average 146.8) internal successors, (734), 5 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:55:49,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 174 [2021-03-25 04:55:49,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:55:49,126 INFO L129 PetriNetUnfolder]: 16/57 cut-off events. [2021-03-25 04:55:49,126 INFO L130 PetriNetUnfolder]: For 40/46 co-relation queries the response was YES. [2021-03-25 04:55:49,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 57 events. 16/57 cut-off events. For 40/46 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 148 event pairs, 2 based on Foata normal form. 9/65 useless extension candidates. Maximal degree in co-relation 177. Up to 35 conditions per place. [2021-03-25 04:55:49,127 INFO L132 encePairwiseOnDemand]: 168/174 looper letters, 5 selfloop transitions, 7 changer transitions 7/34 dead transitions. [2021-03-25 04:55:49,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 34 transitions, 188 flow [2021-03-25 04:55:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:55:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:55:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 897 transitions. [2021-03-25 04:55:49,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8591954022988506 [2021-03-25 04:55:49,130 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 897 transitions. [2021-03-25 04:55:49,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 897 transitions. [2021-03-25 04:55:49,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:55:49,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 897 transitions. [2021-03-25 04:55:49,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 174.0) internal successors, (1218), 7 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,134 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 174.0) internal successors, (1218), 7 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,134 INFO L185 Difference]: Start difference. First operand has 35 places, 24 transitions, 92 flow. Second operand 6 states and 897 transitions. [2021-03-25 04:55:49,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 34 transitions, 188 flow [2021-03-25 04:55:49,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 182 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 04:55:49,138 INFO L241 Difference]: Finished difference. Result has 41 places, 27 transitions, 142 flow [2021-03-25 04:55:49,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=142, PETRI_PLACES=41, PETRI_TRANSITIONS=27} [2021-03-25 04:55:49,138 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -10 predicate places. [2021-03-25 04:55:49,138 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:49,138 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 27 transitions, 142 flow [2021-03-25 04:55:49,138 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 27 transitions, 142 flow [2021-03-25 04:55:49,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 27 transitions, 142 flow [2021-03-25 04:55:49,144 INFO L129 PetriNetUnfolder]: 11/44 cut-off events. [2021-03-25 04:55:49,145 INFO L130 PetriNetUnfolder]: For 55/59 co-relation queries the response was YES. [2021-03-25 04:55:49,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 44 events. 11/44 cut-off events. For 55/59 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 2 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 141. Up to 23 conditions per place. [2021-03-25 04:55:49,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-25 04:55:49,147 INFO L154 LiptonReduction]: Checked pairs total: 200 [2021-03-25 04:55:49,147 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:55:49,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-25 04:55:49,149 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 27 transitions, 142 flow [2021-03-25 04:55:49,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 146.8) internal successors, (734), 5 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:49,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:55:49,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:55:49,150 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:49,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:49,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1660902955, now seen corresponding path program 1 times [2021-03-25 04:55:49,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:49,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073857914] [2021-03-25 04:55:49,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:55:49,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:49,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:49,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:49,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:55:49,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:55:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:55:49,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073857914] [2021-03-25 04:55:49,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:55:49,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:55:49,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024258027] [2021-03-25 04:55:49,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:55:49,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:55:49,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:55:49,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:55:49,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 174 [2021-03-25 04:55:49,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 27 transitions, 142 flow. Second operand has 6 states, 6 states have (on average 146.83333333333334) internal successors, (881), 6 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:55:49,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 174 [2021-03-25 04:55:49,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:55:49,340 INFO L129 PetriNetUnfolder]: 7/36 cut-off events. [2021-03-25 04:55:49,340 INFO L130 PetriNetUnfolder]: For 66/80 co-relation queries the response was YES. [2021-03-25 04:55:49,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 36 events. 7/36 cut-off events. For 66/80 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 8/43 useless extension candidates. Maximal degree in co-relation 128. Up to 20 conditions per place. [2021-03-25 04:55:49,340 INFO L132 encePairwiseOnDemand]: 168/174 looper letters, 2 selfloop transitions, 10 changer transitions 4/31 dead transitions. [2021-03-25 04:55:49,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 31 transitions, 210 flow [2021-03-25 04:55:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:55:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:55:49,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1040 transitions. [2021-03-25 04:55:49,343 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8538587848932676 [2021-03-25 04:55:49,343 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1040 transitions. [2021-03-25 04:55:49,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1040 transitions. [2021-03-25 04:55:49,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:55:49,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1040 transitions. [2021-03-25 04:55:49,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 148.57142857142858) internal successors, (1040), 7 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 174.0) internal successors, (1392), 8 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,348 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 174.0) internal successors, (1392), 8 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:49,348 INFO L185 Difference]: Start difference. First operand has 39 places, 27 transitions, 142 flow. Second operand 7 states and 1040 transitions. [2021-03-25 04:55:49,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 31 transitions, 210 flow [2021-03-25 04:55:49,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 166 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-03-25 04:55:49,352 INFO L241 Difference]: Finished difference. Result has 42 places, 27 transitions, 136 flow [2021-03-25 04:55:49,353 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=136, PETRI_PLACES=42, PETRI_TRANSITIONS=27} [2021-03-25 04:55:49,353 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -9 predicate places. [2021-03-25 04:55:49,353 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:49,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 27 transitions, 136 flow [2021-03-25 04:55:49,353 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 27 transitions, 136 flow [2021-03-25 04:55:49,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 27 transitions, 136 flow [2021-03-25 04:55:49,358 INFO L129 PetriNetUnfolder]: 5/30 cut-off events. [2021-03-25 04:55:49,358 INFO L130 PetriNetUnfolder]: For 33/35 co-relation queries the response was YES. [2021-03-25 04:55:49,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 30 events. 5/30 cut-off events. For 33/35 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 75. Up to 11 conditions per place. [2021-03-25 04:55:49,358 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-25 04:55:49,639 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:55:49,759 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:55:50,467 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 194 [2021-03-25 04:55:50,682 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 04:55:51,958 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 349 DAG size of output: 270 [2021-03-25 04:55:52,458 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-25 04:55:52,463 INFO L154 LiptonReduction]: Checked pairs total: 440 [2021-03-25 04:55:52,463 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:55:52,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3110 [2021-03-25 04:55:52,464 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 24 transitions, 130 flow [2021-03-25 04:55:52,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 146.83333333333334) internal successors, (881), 6 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:52,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:52,464 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:55:52,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:55:52,464 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:52,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:52,465 INFO L82 PathProgramCache]: Analyzing trace with hash -147246698, now seen corresponding path program 1 times [2021-03-25 04:55:52,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:52,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873625045] [2021-03-25 04:55:52,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:55:52,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:52,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:55:52,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:52,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:52,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:55:52,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:55:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:55:52,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873625045] [2021-03-25 04:55:52,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:55:52,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:55:52,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418523440] [2021-03-25 04:55:52,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:55:52,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:55:52,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:55:52,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:55:52,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 177 [2021-03-25 04:55:52,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 24 transitions, 130 flow. Second operand has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:52,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:55:52,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 177 [2021-03-25 04:55:52,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:55:52,588 INFO L129 PetriNetUnfolder]: 12/51 cut-off events. [2021-03-25 04:55:52,589 INFO L130 PetriNetUnfolder]: For 82/89 co-relation queries the response was YES. [2021-03-25 04:55:52,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 51 events. 12/51 cut-off events. For 82/89 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 145 event pairs, 0 based on Foata normal form. 5/55 useless extension candidates. Maximal degree in co-relation 149. Up to 22 conditions per place. [2021-03-25 04:55:52,589 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 4 selfloop transitions, 1 changer transitions 2/26 dead transitions. [2021-03-25 04:55:52,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 26 transitions, 148 flow [2021-03-25 04:55:52,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:55:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:55:52,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 604 transitions. [2021-03-25 04:55:52,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8531073446327684 [2021-03-25 04:55:52,592 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 604 transitions. [2021-03-25 04:55:52,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 604 transitions. [2021-03-25 04:55:52,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:55:52,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 604 transitions. [2021-03-25 04:55:52,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:52,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:52,595 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:52,595 INFO L185 Difference]: Start difference. First operand has 37 places, 24 transitions, 130 flow. Second operand 4 states and 604 transitions. [2021-03-25 04:55:52,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 26 transitions, 148 flow [2021-03-25 04:55:52,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 26 transitions, 110 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-25 04:55:52,598 INFO L241 Difference]: Finished difference. Result has 36 places, 24 transitions, 99 flow [2021-03-25 04:55:52,598 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=99, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2021-03-25 04:55:52,598 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -15 predicate places. [2021-03-25 04:55:52,598 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:55:52,598 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 24 transitions, 99 flow [2021-03-25 04:55:52,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 24 transitions, 99 flow [2021-03-25 04:55:52,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 24 transitions, 99 flow [2021-03-25 04:55:52,605 INFO L129 PetriNetUnfolder]: 6/35 cut-off events. [2021-03-25 04:55:52,606 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-03-25 04:55:52,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 35 events. 6/35 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 75. Up to 10 conditions per place. [2021-03-25 04:55:52,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-25 04:55:52,607 INFO L154 LiptonReduction]: Checked pairs total: 119 [2021-03-25 04:55:52,608 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:55:52,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 04:55:52,608 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 24 transitions, 99 flow [2021-03-25 04:55:52,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:55:52,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:55:52,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:55:52,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:55:52,609 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:55:52,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:55:52,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1379534477, now seen corresponding path program 1 times [2021-03-25 04:55:52,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:55:52,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084124579] [2021-03-25 04:55:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:55:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:55:52,661 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:55:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:55:52,720 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:55:52,768 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:55:52,768 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:55:52,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:55:52,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:55:52 BasicIcfg [2021-03-25 04:55:52,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:55:52,862 INFO L168 Benchmark]: Toolchain (without parser) took 20151.57 ms. Allocated memory was 255.9 MB in the beginning and 627.0 MB in the end (delta: 371.2 MB). Free memory was 232.6 MB in the beginning and 458.0 MB in the end (delta: -225.4 MB). Peak memory consumption was 145.6 MB. Max. memory is 16.0 GB. [2021-03-25 04:55:52,862 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:55:52,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.48 ms. Allocated memory was 255.9 MB in the beginning and 325.1 MB in the end (delta: 69.2 MB). Free memory was 232.6 MB in the beginning and 282.6 MB in the end (delta: -50.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-25 04:55:52,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.86 ms. Allocated memory is still 325.1 MB. Free memory was 282.6 MB in the beginning and 279.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:55:52,863 INFO L168 Benchmark]: Boogie Preprocessor took 33.80 ms. Allocated memory is still 325.1 MB. Free memory was 279.3 MB in the beginning and 277.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:55:52,863 INFO L168 Benchmark]: RCFGBuilder took 2350.21 ms. Allocated memory is still 325.1 MB. Free memory was 276.5 MB in the beginning and 177.5 MB in the end (delta: 99.0 MB). Peak memory consumption was 99.5 MB. Max. memory is 16.0 GB. [2021-03-25 04:55:52,873 INFO L168 Benchmark]: TraceAbstraction took 17152.82 ms. Allocated memory was 325.1 MB in the beginning and 627.0 MB in the end (delta: 302.0 MB). Free memory was 176.4 MB in the beginning and 458.0 MB in the end (delta: -281.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. [2021-03-25 04:55:52,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 561.48 ms. Allocated memory was 255.9 MB in the beginning and 325.1 MB in the end (delta: 69.2 MB). Free memory was 232.6 MB in the beginning and 282.6 MB in the end (delta: -50.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.86 ms. Allocated memory is still 325.1 MB. Free memory was 282.6 MB in the beginning and 279.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 33.80 ms. Allocated memory is still 325.1 MB. Free memory was 279.3 MB in the beginning and 277.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2350.21 ms. Allocated memory is still 325.1 MB. Free memory was 276.5 MB in the beginning and 177.5 MB in the end (delta: 99.0 MB). Peak memory consumption was 99.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 17152.82 ms. Allocated memory was 325.1 MB in the beginning and 627.0 MB in the end (delta: 302.0 MB). Free memory was 176.4 MB in the beginning and 458.0 MB in the end (delta: -281.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5115.7ms, 103 PlacesBefore, 51 PlacesAfterwards, 95 TransitionsBefore, 42 TransitionsAfterwards, 1690 CoEnabledTransitionPairs, 4 FixpointIterations, 24 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 59 TotalNumberOfCompositions, 2757 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1111, positive: 1045, positive conditional: 0, positive unconditional: 1045, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 724, positive: 704, positive conditional: 0, positive unconditional: 704, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 724, positive: 704, positive conditional: 0, positive unconditional: 704, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1111, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 724, unknown conditional: 0, unknown unconditional: 724] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5893.5ms, 48 PlacesBefore, 33 PlacesAfterwards, 39 TransitionsBefore, 24 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 16 TotalNumberOfCompositions, 1596 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 383, positive: 279, positive conditional: 0, positive unconditional: 279, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 67, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 383, positive: 229, positive conditional: 0, positive unconditional: 229, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 67, unknown conditional: 0, unknown unconditional: 67] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 887.4ms, 36 PlacesBefore, 31 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 216 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 510 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 85, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 85, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.6ms, 32 PlacesBefore, 32 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 241 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 40, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1ms, 35 PlacesBefore, 35 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 204 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6ms, 37 PlacesBefore, 35 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 172 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 40, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.6ms, 41 PlacesBefore, 39 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 200 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3110.1ms, 42 PlacesBefore, 37 PlacesAfterwards, 27 TransitionsBefore, 24 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 440 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 172, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 172, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.0ms, 36 PlacesBefore, 35 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 119 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 38, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1702; [L834] FCALL, FORK 0 pthread_create(&t1702, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L835] 0 pthread_t t1703; [L836] FCALL, FORK 0 pthread_create(&t1703, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L837] 0 pthread_t t1704; [L838] FCALL, FORK 0 pthread_create(&t1704, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L763] 2 y$w_buff1 = y$w_buff0 [L764] 2 y$w_buff0 = 2 [L765] 2 y$w_buff1_used = y$w_buff0_used [L766] 2 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L768] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L769] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L770] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L771] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L772] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 y$flush_delayed = weak$$choice2 [L778] 2 y$mem_tmp = y [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L780] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L780] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L781] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L781] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L782] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L782] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L783] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L784] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L785] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EAX = y [L787] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L787] 2 y = y$flush_delayed ? y$mem_tmp : y [L788] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L791] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L808] 3 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L743] 1 __unbuffered_p0_EAX = x [L746] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L749] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L749] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L750] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L751] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L752] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L753] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L794] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L794] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L795] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L795] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L796] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L797] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L797] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L798] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L798] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L803] 2 return 0; [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L845] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L846] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L847] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L847] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L848] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L848] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L851] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L852] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L853] 0 y$flush_delayed = weak$$choice2 [L854] 0 y$mem_tmp = y [L855] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L855] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L856] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L856] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L856] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L856] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L857] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L857] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L857] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L857] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L858] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L858] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L858] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L858] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L859] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L859] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L859] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L859] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L860] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L860] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L860] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L860] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L861] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L861] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L863] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L863] 0 y = y$flush_delayed ? y$mem_tmp : y [L864] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 16943.8ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 532.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5184.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 26 SDtfs, 19 SDslu, 14 SDs, 0 SdLazy, 117 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 124.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 93.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=6, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 38.5ms SsaConstructionTime, 466.6ms SatisfiabilityAnalysisTime, 494.5ms InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...