/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix024_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:34:49,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:34:49,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:34:49,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 19:34:49,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 19:34:49,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 19:34:49,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 19:34:49,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 19:34:49,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 19:34:49,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 19:34:49,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 19:34:49,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 19:34:49,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:34:49,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:34:49,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:34:49,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:34:49,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:34:49,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:34:49,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:34:50,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:34:50,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:34:50,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:34:50,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:34:50,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:34:50,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:34:50,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:34:50,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:34:50,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:34:50,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-03-24 19:34:50,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:34:50,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:34:50,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:34:50,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:34:50,057 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:34:50,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:34:50,057 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:34:50,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:34:50,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:34:50,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:34:50,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:34:50,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:34:50,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:34:50,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:34:50,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:34:50,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:34:50,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:34:50,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:34:50,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:34:50,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:34:50,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:34:50,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:34:50,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:34:50,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:34:50,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:34:50,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:34:50,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:34:50,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:34:50,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:34:50,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:34:50,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:34:50,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:34:50,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:34:50,368 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:34:50,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix024_power.opt.i [2021-03-24 19:34:50,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61671094/04713f10b4404fd7893c26792d8e94eb/FLAG931c83a88 [2021-03-24 19:34:50,886 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:34:50,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.opt.i [2021-03-24 19:34:50,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61671094/04713f10b4404fd7893c26792d8e94eb/FLAG931c83a88 [2021-03-24 19:34:51,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61671094/04713f10b4404fd7893c26792d8e94eb [2021-03-24 19:34:51,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:34:51,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:34:51,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:34:51,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:34:51,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:34:51,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51, skipping insertion in model container [2021-03-24 19:34:51,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:34:51,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:34:51,331 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/mix024_power.opt.i[993,1006] [2021-03-24 19:34:51,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:34:51,533 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:34:51,543 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/mix024_power.opt.i[993,1006] [2021-03-24 19:34:51,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:34:51,684 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:34:51,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51 WrapperNode [2021-03-24 19:34:51,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:34:51,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:34:51,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:34:51,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:34:51,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:34:51,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:34:51,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:34:51,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:34:51,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... [2021-03-24 19:34:51,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:34:51,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:34:51,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:34:51,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:34:51,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:34:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:34:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:34:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:34:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:34:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:34:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:34:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:34:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:34:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 19:34:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 19:34:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:34:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:34:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:34:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:34:51,846 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:34:53,503 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:34:53,503 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:34:53,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:34:53 BoogieIcfgContainer [2021-03-24 19:34:53,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:34:53,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:34:53,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:34:53,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:34:53,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:34:51" (1/3) ... [2021-03-24 19:34:53,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a53f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:34:53, skipping insertion in model container [2021-03-24 19:34:53,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:34:51" (2/3) ... [2021-03-24 19:34:53,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a53f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:34:53, skipping insertion in model container [2021-03-24 19:34:53,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:34:53" (3/3) ... [2021-03-24 19:34:53,512 INFO L111 eAbstractionObserver]: Analyzing ICFG mix024_power.opt.i [2021-03-24 19:34:53,520 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:34:53,524 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:34:53,525 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:34:53,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,566 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,566 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,566 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,566 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,582 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,582 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,583 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,583 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,583 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,583 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,584 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,588 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,607 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,610 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,610 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,610 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,613 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,613 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:34:53,614 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:34:53,630 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 19:34:53,661 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:34:53,661 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:34:53,661 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:34:53,661 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:34:53,662 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:34:53,662 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:34:53,662 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:34:53,662 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:34:53,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 103 transitions, 221 flow [2021-03-24 19:34:53,711 INFO L129 PetriNetUnfolder]: 2/100 cut-off events. [2021-03-24 19:34:53,712 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:34:53,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 100 events. 2/100 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. 0/96 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-24 19:34:53,715 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 103 transitions, 221 flow [2021-03-24 19:34:53,719 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 100 transitions, 209 flow [2021-03-24 19:34:53,720 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:34:53,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 100 transitions, 209 flow [2021-03-24 19:34:53,735 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 100 transitions, 209 flow [2021-03-24 19:34:53,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 209 flow [2021-03-24 19:34:53,775 INFO L129 PetriNetUnfolder]: 2/100 cut-off events. [2021-03-24 19:34:53,776 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:34:53,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 100 events. 2/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-24 19:34:53,781 INFO L142 LiptonReduction]: Number of co-enabled transitions 1872 [2021-03-24 19:34:54,628 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:34:55,074 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 19:34:55,178 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 19:34:56,647 INFO L154 LiptonReduction]: Checked pairs total: 3013 [2021-03-24 19:34:56,647 INFO L156 LiptonReduction]: Total number of compositions: 65 [2021-03-24 19:34:56,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2930 [2021-03-24 19:34:56,667 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-24 19:34:56,670 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:34:56,671 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:56,671 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:34:56,672 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:56,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:56,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1718052686, now seen corresponding path program 1 times [2021-03-24 19:34:56,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:56,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256499954] [2021-03-24 19:34:56,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:34:56,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:34:56,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256499954] [2021-03-24 19:34:56,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:34:56,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:34:56,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478846582] [2021-03-24 19:34:56,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:34:56,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:34:56,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:34:56,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:34:56,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 168 [2021-03-24 19:34:56,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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) [2021-03-24 19:34:56,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:34:56,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 168 [2021-03-24 19:34:56,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:34:57,020 INFO L129 PetriNetUnfolder]: 29/144 cut-off events. [2021-03-24 19:34:57,021 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:34:57,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 144 events. 29/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 590 event pairs, 15 based on Foata normal form. 10/139 useless extension candidates. Maximal degree in co-relation 187. Up to 41 conditions per place. [2021-03-24 19:34:57,024 INFO L132 encePairwiseOnDemand]: 164/168 looper letters, 7 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2021-03-24 19:34:57,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 42 transitions, 111 flow [2021-03-24 19:34:57,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:34:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:34:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2021-03-24 19:34:57,041 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2021-03-24 19:34:57,041 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 462 transitions. [2021-03-24 19:34:57,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions. [2021-03-24 19:34:57,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:34:57,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions. [2021-03-24 19:34:57,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2021-03-24 19:34:57,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 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) [2021-03-24 19:34:57,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 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) [2021-03-24 19:34:57,063 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 93 flow. Second operand 3 states and 462 transitions. [2021-03-24 19:34:57,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 42 transitions, 111 flow [2021-03-24 19:34:57,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 42 transitions, 108 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 19:34:57,067 INFO L241 Difference]: Finished difference. Result has 48 places, 39 transitions, 88 flow [2021-03-24 19:34:57,068 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, 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} [2021-03-24 19:34:57,069 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2021-03-24 19:34:57,069 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 88 flow [2021-03-24 19:34:57,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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) [2021-03-24 19:34:57,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:57,070 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] [2021-03-24 19:34:57,070 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:34:57,070 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:57,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1481096838, now seen corresponding path program 1 times [2021-03-24 19:34:57,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:57,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106722910] [2021-03-24 19:34:57,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:34:57,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:57,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:34:57,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106722910] [2021-03-24 19:34:57,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:34:57,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:34:57,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101185636] [2021-03-24 19:34:57,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:34:57,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:34:57,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:34:57,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:34:57,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 168 [2021-03-24 19:34:57,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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) [2021-03-24 19:34:57,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:34:57,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 168 [2021-03-24 19:34:57,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:34:57,191 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-03-24 19:34:57,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:34:57,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 96 event pairs, 0 based on Foata normal form. 2/52 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-24 19:34:57,192 INFO L132 encePairwiseOnDemand]: 163/168 looper letters, 2 selfloop transitions, 2 changer transitions 7/42 dead transitions. [2021-03-24 19:34:57,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 42 transitions, 110 flow [2021-03-24 19:34:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:34:57,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:34:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 760 transitions. [2021-03-24 19:34:57,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2021-03-24 19:34:57,194 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 760 transitions. [2021-03-24 19:34:57,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 760 transitions. [2021-03-24 19:34:57,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:34:57,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 760 transitions. [2021-03-24 19:34:57,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 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) [2021-03-24 19:34:57,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 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) [2021-03-24 19:34:57,199 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 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) [2021-03-24 19:34:57,199 INFO L185 Difference]: Start difference. First operand has 48 places, 39 transitions, 88 flow. Second operand 5 states and 760 transitions. [2021-03-24 19:34:57,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 42 transitions, 110 flow [2021-03-24 19:34:57,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 42 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:34:57,200 INFO L241 Difference]: Finished difference. Result has 53 places, 35 transitions, 88 flow [2021-03-24 19:34:57,201 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, 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=5, PETRI_FLOW=88, PETRI_PLACES=53, PETRI_TRANSITIONS=35} [2021-03-24 19:34:57,201 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2021-03-24 19:34:57,201 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 35 transitions, 88 flow [2021-03-24 19:34:57,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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) [2021-03-24 19:34:57,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:57,202 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, 1] [2021-03-24 19:34:57,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:34:57,202 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:57,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:57,203 INFO L82 PathProgramCache]: Analyzing trace with hash 307247445, now seen corresponding path program 1 times [2021-03-24 19:34:57,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:57,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172151952] [2021-03-24 19:34:57,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:34:57,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:57,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:57,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 19:34:57,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:34:57,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:34:57,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172151952] [2021-03-24 19:34:57,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:34:57,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:34:57,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73577354] [2021-03-24 19:34:57,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:34:57,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:34:57,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:34:57,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:34:57,282 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 168 [2021-03-24 19:34:57,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 35 transitions, 88 flow. Second operand has 5 states, 5 states have (on average 135.4) internal successors, (677), 5 states have internal predecessors, (677), 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) [2021-03-24 19:34:57,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:34:57,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 168 [2021-03-24 19:34:57,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:34:57,383 INFO L129 PetriNetUnfolder]: 69/227 cut-off events. [2021-03-24 19:34:57,384 INFO L130 PetriNetUnfolder]: For 77/88 co-relation queries the response was YES. [2021-03-24 19:34:57,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 227 events. 69/227 cut-off events. For 77/88 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1082 event pairs, 25 based on Foata normal form. 18/242 useless extension candidates. Maximal degree in co-relation 414. Up to 79 conditions per place. [2021-03-24 19:34:57,386 INFO L132 encePairwiseOnDemand]: 159/168 looper letters, 13 selfloop transitions, 7 changer transitions 10/54 dead transitions. [2021-03-24 19:34:57,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 54 transitions, 200 flow [2021-03-24 19:34:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:34:57,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:34:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 971 transitions. [2021-03-24 19:34:57,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8256802721088435 [2021-03-24 19:34:57,389 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 971 transitions. [2021-03-24 19:34:57,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 971 transitions. [2021-03-24 19:34:57,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:34:57,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 971 transitions. [2021-03-24 19:34:57,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 138.71428571428572) internal successors, (971), 7 states have internal predecessors, (971), 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) [2021-03-24 19:34:57,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 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) [2021-03-24 19:34:57,394 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 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) [2021-03-24 19:34:57,394 INFO L185 Difference]: Start difference. First operand has 53 places, 35 transitions, 88 flow. Second operand 7 states and 971 transitions. [2021-03-24 19:34:57,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 54 transitions, 200 flow [2021-03-24 19:34:57,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 54 transitions, 184 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-24 19:34:57,396 INFO L241 Difference]: Finished difference. Result has 55 places, 40 transitions, 145 flow [2021-03-24 19:34:57,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=145, PETRI_PLACES=55, PETRI_TRANSITIONS=40} [2021-03-24 19:34:57,397 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 4 predicate places. [2021-03-24 19:34:57,397 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 40 transitions, 145 flow [2021-03-24 19:34:57,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 135.4) internal successors, (677), 5 states have internal predecessors, (677), 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) [2021-03-24 19:34:57,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:57,398 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, 1, 1, 1] [2021-03-24 19:34:57,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:34:57,398 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:57,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:57,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1133973736, now seen corresponding path program 1 times [2021-03-24 19:34:57,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:57,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534021466] [2021-03-24 19:34:57,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:34:57,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:57,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:57,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:34:57,475 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:34:57,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:34:57,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:34:57,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534021466] [2021-03-24 19:34:57,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:34:57,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:34:57,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790655427] [2021-03-24 19:34:57,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:34:57,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:34:57,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:34:57,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:34:57,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 168 [2021-03-24 19:34:57,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 40 transitions, 145 flow. Second operand has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 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) [2021-03-24 19:34:57,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:34:57,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 168 [2021-03-24 19:34:57,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:34:57,629 INFO L129 PetriNetUnfolder]: 228/532 cut-off events. [2021-03-24 19:34:57,629 INFO L130 PetriNetUnfolder]: For 166/177 co-relation queries the response was YES. [2021-03-24 19:34:57,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 532 events. 228/532 cut-off events. For 166/177 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 3384 event pairs, 80 based on Foata normal form. 33/537 useless extension candidates. Maximal degree in co-relation 1164. Up to 253 conditions per place. [2021-03-24 19:34:57,637 INFO L132 encePairwiseOnDemand]: 161/168 looper letters, 12 selfloop transitions, 13 changer transitions 0/58 dead transitions. [2021-03-24 19:34:57,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 231 flow [2021-03-24 19:34:57,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:34:57,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:34:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1021 transitions. [2021-03-24 19:34:57,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8681972789115646 [2021-03-24 19:34:57,640 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1021 transitions. [2021-03-24 19:34:57,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1021 transitions. [2021-03-24 19:34:57,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:34:57,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1021 transitions. [2021-03-24 19:34:57,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 145.85714285714286) internal successors, (1021), 7 states have internal predecessors, (1021), 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) [2021-03-24 19:34:57,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 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) [2021-03-24 19:34:57,646 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 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) [2021-03-24 19:34:57,646 INFO L185 Difference]: Start difference. First operand has 55 places, 40 transitions, 145 flow. Second operand 7 states and 1021 transitions. [2021-03-24 19:34:57,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 231 flow [2021-03-24 19:34:57,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 58 transitions, 225 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-24 19:34:57,651 INFO L241 Difference]: Finished difference. Result has 60 places, 52 transitions, 233 flow [2021-03-24 19:34:57,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=233, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2021-03-24 19:34:57,651 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places. [2021-03-24 19:34:57,651 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 233 flow [2021-03-24 19:34:57,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 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) [2021-03-24 19:34:57,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:57,652 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, 1, 1, 1, 1, 1] [2021-03-24 19:34:57,652 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:34:57,653 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:57,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:57,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1879768515, now seen corresponding path program 1 times [2021-03-24 19:34:57,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:57,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022218101] [2021-03-24 19:34:57,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:34:57,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:57,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:57,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:57,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:34:57,783 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:34:57,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:34:57,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:57,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:34:57,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022218101] [2021-03-24 19:34:57,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:34:57,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:34:57,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816255878] [2021-03-24 19:34:57,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:34:57,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:34:57,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:34:57,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:34:57,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 168 [2021-03-24 19:34:57,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 233 flow. Second operand has 6 states, 6 states have (on average 142.83333333333334) internal successors, (857), 6 states have internal predecessors, (857), 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) [2021-03-24 19:34:57,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:34:57,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 168 [2021-03-24 19:34:57,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:34:57,956 INFO L129 PetriNetUnfolder]: 173/454 cut-off events. [2021-03-24 19:34:57,956 INFO L130 PetriNetUnfolder]: For 1026/1479 co-relation queries the response was YES. [2021-03-24 19:34:57,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1744 conditions, 454 events. 173/454 cut-off events. For 1026/1479 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 2900 event pairs, 14 based on Foata normal form. 233/670 useless extension candidates. Maximal degree in co-relation 1713. Up to 230 conditions per place. [2021-03-24 19:34:57,961 INFO L132 encePairwiseOnDemand]: 161/168 looper letters, 6 selfloop transitions, 26 changer transitions 6/71 dead transitions. [2021-03-24 19:34:57,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 71 transitions, 446 flow [2021-03-24 19:34:57,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:34:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:34:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1458 transitions. [2021-03-24 19:34:57,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8678571428571429 [2021-03-24 19:34:57,965 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1458 transitions. [2021-03-24 19:34:57,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1458 transitions. [2021-03-24 19:34:57,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:34:57,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1458 transitions. [2021-03-24 19:34:57,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 145.8) internal successors, (1458), 10 states have internal predecessors, (1458), 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) [2021-03-24 19:34:57,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 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) [2021-03-24 19:34:57,971 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 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) [2021-03-24 19:34:57,971 INFO L185 Difference]: Start difference. First operand has 60 places, 52 transitions, 233 flow. Second operand 10 states and 1458 transitions. [2021-03-24 19:34:57,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 71 transitions, 446 flow [2021-03-24 19:34:57,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 71 transitions, 444 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-24 19:34:57,978 INFO L241 Difference]: Finished difference. Result has 71 places, 65 transitions, 406 flow [2021-03-24 19:34:57,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=406, PETRI_PLACES=71, PETRI_TRANSITIONS=65} [2021-03-24 19:34:57,978 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 20 predicate places. [2021-03-24 19:34:57,979 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 65 transitions, 406 flow [2021-03-24 19:34:57,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 142.83333333333334) internal successors, (857), 6 states have internal predecessors, (857), 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) [2021-03-24 19:34:57,979 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:57,979 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:34:57,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:34:57,980 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:57,980 INFO L82 PathProgramCache]: Analyzing trace with hash -986602212, now seen corresponding path program 1 times [2021-03-24 19:34:57,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:57,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247684811] [2021-03-24 19:34:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:34:58,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:58,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:58,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:34:58,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247684811] [2021-03-24 19:34:58,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:34:58,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:34:58,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170378640] [2021-03-24 19:34:58,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:34:58,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:34:58,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:34:58,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:34:58,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 168 [2021-03-24 19:34:58,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 65 transitions, 406 flow. Second operand has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 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) [2021-03-24 19:34:58,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:34:58,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 168 [2021-03-24 19:34:58,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:34:58,224 INFO L129 PetriNetUnfolder]: 223/598 cut-off events. [2021-03-24 19:34:58,224 INFO L130 PetriNetUnfolder]: For 2661/3551 co-relation queries the response was YES. [2021-03-24 19:34:58,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2509 conditions, 598 events. 223/598 cut-off events. For 2661/3551 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 4226 event pairs, 21 based on Foata normal form. 7/562 useless extension candidates. Maximal degree in co-relation 2474. Up to 310 conditions per place. [2021-03-24 19:34:58,230 INFO L132 encePairwiseOnDemand]: 164/168 looper letters, 5 selfloop transitions, 3 changer transitions 1/68 dead transitions. [2021-03-24 19:34:58,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 68 transitions, 442 flow [2021-03-24 19:34:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:34:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:34:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 734 transitions. [2021-03-24 19:34:58,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8738095238095238 [2021-03-24 19:34:58,232 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 734 transitions. [2021-03-24 19:34:58,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 734 transitions. [2021-03-24 19:34:58,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:34:58,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 734 transitions. [2021-03-24 19:34:58,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 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) [2021-03-24 19:34:58,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 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) [2021-03-24 19:34:58,236 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 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) [2021-03-24 19:34:58,236 INFO L185 Difference]: Start difference. First operand has 71 places, 65 transitions, 406 flow. Second operand 5 states and 734 transitions. [2021-03-24 19:34:58,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 68 transitions, 442 flow [2021-03-24 19:34:58,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 68 transitions, 359 flow, removed 32 selfloop flow, removed 4 redundant places. [2021-03-24 19:34:58,260 INFO L241 Difference]: Finished difference. Result has 74 places, 66 transitions, 346 flow [2021-03-24 19:34:58,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=346, PETRI_PLACES=74, PETRI_TRANSITIONS=66} [2021-03-24 19:34:58,261 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 23 predicate places. [2021-03-24 19:34:58,261 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 66 transitions, 346 flow [2021-03-24 19:34:58,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 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) [2021-03-24 19:34:58,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:58,261 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:34:58,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:34:58,261 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:58,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:58,262 INFO L82 PathProgramCache]: Analyzing trace with hash -467255186, now seen corresponding path program 2 times [2021-03-24 19:34:58,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:58,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207315729] [2021-03-24 19:34:58,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:34:58,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:58,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:58,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:58,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:58,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:34:58,389 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:34:58,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:34:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:34:58,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207315729] [2021-03-24 19:34:58,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:34:58,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:34:58,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124220364] [2021-03-24 19:34:58,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:34:58,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:34:58,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:34:58,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:34:58,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 168 [2021-03-24 19:34:58,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 66 transitions, 346 flow. Second operand has 7 states, 7 states have (on average 142.85714285714286) internal successors, (1000), 7 states have internal predecessors, (1000), 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) [2021-03-24 19:34:58,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:34:58,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 168 [2021-03-24 19:34:58,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:34:58,611 INFO L129 PetriNetUnfolder]: 201/535 cut-off events. [2021-03-24 19:34:58,611 INFO L130 PetriNetUnfolder]: For 1010/1993 co-relation queries the response was YES. [2021-03-24 19:34:58,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2004 conditions, 535 events. 201/535 cut-off events. For 1010/1993 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 3686 event pairs, 6 based on Foata normal form. 387/881 useless extension candidates. Maximal degree in co-relation 1982. Up to 133 conditions per place. [2021-03-24 19:34:58,615 INFO L132 encePairwiseOnDemand]: 161/168 looper letters, 3 selfloop transitions, 27 changer transitions 15/75 dead transitions. [2021-03-24 19:34:58,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 75 transitions, 490 flow [2021-03-24 19:34:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 19:34:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 19:34:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1886 transitions. [2021-03-24 19:34:58,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8635531135531136 [2021-03-24 19:34:58,619 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1886 transitions. [2021-03-24 19:34:58,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1886 transitions. [2021-03-24 19:34:58,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:34:58,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1886 transitions. [2021-03-24 19:34:58,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 145.07692307692307) internal successors, (1886), 13 states have internal predecessors, (1886), 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) [2021-03-24 19:34:58,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 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) [2021-03-24 19:34:58,629 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 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) [2021-03-24 19:34:58,629 INFO L185 Difference]: Start difference. First operand has 74 places, 66 transitions, 346 flow. Second operand 13 states and 1886 transitions. [2021-03-24 19:34:58,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 75 transitions, 490 flow [2021-03-24 19:34:58,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 75 transitions, 476 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-24 19:34:58,638 INFO L241 Difference]: Finished difference. Result has 86 places, 60 transitions, 369 flow [2021-03-24 19:34:58,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=369, PETRI_PLACES=86, PETRI_TRANSITIONS=60} [2021-03-24 19:34:58,638 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 35 predicate places. [2021-03-24 19:34:58,638 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 60 transitions, 369 flow [2021-03-24 19:34:58,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 142.85714285714286) internal successors, (1000), 7 states have internal predecessors, (1000), 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) [2021-03-24 19:34:58,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:58,640 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:34:58,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:34:58,640 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:58,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:58,641 INFO L82 PathProgramCache]: Analyzing trace with hash 195290072, now seen corresponding path program 1 times [2021-03-24 19:34:58,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:58,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175754281] [2021-03-24 19:34:58,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:34:58,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:34:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:58,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:34:58,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:34:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:34:58,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175754281] [2021-03-24 19:34:58,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:34:58,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:34:58,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043387704] [2021-03-24 19:34:58,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:34:58,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:34:58,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:34:58,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:34:58,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 168 [2021-03-24 19:34:58,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 60 transitions, 369 flow. Second operand has 4 states, 4 states have (on average 148.5) internal successors, (594), 4 states have internal predecessors, (594), 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) [2021-03-24 19:34:58,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:34:58,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 168 [2021-03-24 19:34:58,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:34:58,791 INFO L129 PetriNetUnfolder]: 81/344 cut-off events. [2021-03-24 19:34:58,791 INFO L130 PetriNetUnfolder]: For 767/799 co-relation queries the response was YES. [2021-03-24 19:34:58,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1332 conditions, 344 events. 81/344 cut-off events. For 767/799 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2451 event pairs, 4 based on Foata normal form. 1/333 useless extension candidates. Maximal degree in co-relation 1301. Up to 83 conditions per place. [2021-03-24 19:34:58,793 INFO L132 encePairwiseOnDemand]: 164/168 looper letters, 4 selfloop transitions, 2 changer transitions 22/63 dead transitions. [2021-03-24 19:34:58,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 63 transitions, 403 flow [2021-03-24 19:34:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 19:34:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 19:34:58,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 598 transitions. [2021-03-24 19:34:58,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8898809523809523 [2021-03-24 19:34:58,795 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 598 transitions. [2021-03-24 19:34:58,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 598 transitions. [2021-03-24 19:34:58,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:34:58,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 598 transitions. [2021-03-24 19:34:58,797 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) [2021-03-24 19:34:58,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 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) [2021-03-24 19:34:58,798 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 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) [2021-03-24 19:34:58,798 INFO L185 Difference]: Start difference. First operand has 86 places, 60 transitions, 369 flow. Second operand 4 states and 598 transitions. [2021-03-24 19:34:58,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 63 transitions, 403 flow [2021-03-24 19:34:58,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 63 transitions, 327 flow, removed 18 selfloop flow, removed 12 redundant places. [2021-03-24 19:34:58,806 INFO L241 Difference]: Finished difference. Result has 76 places, 41 transitions, 176 flow [2021-03-24 19:34:58,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=76, PETRI_TRANSITIONS=41} [2021-03-24 19:34:58,806 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 25 predicate places. [2021-03-24 19:34:58,806 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 41 transitions, 176 flow [2021-03-24 19:34:58,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.5) internal successors, (594), 4 states have internal predecessors, (594), 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) [2021-03-24 19:34:58,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:34:58,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:34:58,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:34:58,807 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:34:58,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:34:58,808 INFO L82 PathProgramCache]: Analyzing trace with hash -767496680, now seen corresponding path program 2 times [2021-03-24 19:34:58,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:34:58,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237701102] [2021-03-24 19:34:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:34:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:34:58,869 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:34:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:34:58,913 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:34:58,951 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 19:34:58,951 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 19:34:58,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:34:59,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:34:59 BasicIcfg [2021-03-24 19:34:59,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:34:59,065 INFO L168 Benchmark]: Toolchain (without parser) took 7891.20 ms. Allocated memory was 255.9 MB in the beginning and 480.2 MB in the end (delta: 224.4 MB). Free memory was 236.7 MB in the beginning and 244.8 MB in the end (delta: -8.2 MB). Peak memory consumption was 215.8 MB. Max. memory is 16.0 GB. [2021-03-24 19:34:59,065 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:34:59,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.27 ms. Allocated memory was 255.9 MB in the beginning and 381.7 MB in the end (delta: 125.8 MB). Free memory was 236.7 MB in the beginning and 341.6 MB in the end (delta: -104.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-24 19:34:59,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.85 ms. Allocated memory is still 381.7 MB. Free memory was 341.6 MB in the beginning and 338.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 19:34:59,069 INFO L168 Benchmark]: Boogie Preprocessor took 27.37 ms. Allocated memory is still 381.7 MB. Free memory was 338.8 MB in the beginning and 336.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:34:59,069 INFO L168 Benchmark]: RCFGBuilder took 1739.72 ms. Allocated memory is still 381.7 MB. Free memory was 336.7 MB in the beginning and 341.1 MB in the end (delta: -4.4 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.0 GB. [2021-03-24 19:34:59,071 INFO L168 Benchmark]: TraceAbstraction took 5557.39 ms. Allocated memory was 381.7 MB in the beginning and 480.2 MB in the end (delta: 98.6 MB). Free memory was 340.1 MB in the beginning and 244.8 MB in the end (delta: 95.2 MB). Peak memory consumption was 193.8 MB. Max. memory is 16.0 GB. [2021-03-24 19:34:59,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 509.27 ms. Allocated memory was 255.9 MB in the beginning and 381.7 MB in the end (delta: 125.8 MB). Free memory was 236.7 MB in the beginning and 341.6 MB in the end (delta: -104.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 50.85 ms. Allocated memory is still 381.7 MB. Free memory was 341.6 MB in the beginning and 338.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.37 ms. Allocated memory is still 381.7 MB. Free memory was 338.8 MB in the beginning and 336.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1739.72 ms. Allocated memory is still 381.7 MB. Free memory was 336.7 MB in the beginning and 341.1 MB in the end (delta: -4.4 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5557.39 ms. Allocated memory was 381.7 MB in the beginning and 480.2 MB in the end (delta: 98.6 MB). Free memory was 340.1 MB in the beginning and 244.8 MB in the end (delta: 95.2 MB). Peak memory consumption was 193.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2911.9ms, 108 PlacesBefore, 51 PlacesAfterwards, 100 TransitionsBefore, 42 TransitionsAfterwards, 1872 CoEnabledTransitionPairs, 4 FixpointIterations, 28 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 65 TotalNumberOfCompositions, 3013 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1691, positive: 1615, positive conditional: 0, positive unconditional: 1615, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1215, positive: 1180, positive conditional: 0, positive unconditional: 1180, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1215, positive: 1180, positive conditional: 0, positive unconditional: 1180, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1215, positive: 1174, positive conditional: 0, positive unconditional: 1174, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 398, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 380, negative conditional: 0, negative unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1691, positive: 435, positive conditional: 0, positive unconditional: 435, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 1215, unknown conditional: 0, unknown unconditional: 1215] , Statistics on independence cache: Total cache size (in pairs): 190, Positive cache size: 169, Positive conditional cache size: 0, Positive unconditional cache size: 169, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0] [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L727] 0 _Bool y$flush_delayed; [L728] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L729] 0 _Bool y$r_buff0_thd0; [L730] 0 _Bool y$r_buff0_thd1; [L731] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L732] 0 _Bool y$r_buff0_thd3; [L733] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$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] [L734] 0 _Bool y$r_buff1_thd1; [L735] 0 _Bool y$r_buff1_thd2; [L736] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$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$r_buff1_thd3=0] [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=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$w_buff0=0] [L740] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=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] [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=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, z=0] [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L844] 0 pthread_t t636; [L845] FCALL, FORK 0 pthread_create(&t636, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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, z=0] [L846] 0 pthread_t t637; [L847] FCALL, FORK 0 pthread_create(&t637, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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, z=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 1 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L848] 0 pthread_t t638; [L849] FCALL, FORK 0 pthread_create(&t638, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 3 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L750] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 x = 1 [L756] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L759] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L760] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L761] 1 y$flush_delayed = weak$$choice2 [L762] 1 y$mem_tmp = y [L763] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L763] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L764] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L764] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L764] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L764] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L765] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L765] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L765] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L765] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L766] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L766] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L766] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L766] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L767] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L767] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L767] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L767] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L768] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L768] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L768] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L768] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L769] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L769] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L770] 1 __unbuffered_p0_EBX = y [L771] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L771] 1 y = y$flush_delayed ? y$mem_tmp : y [L772] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, 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=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L799] 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) [L799] 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) [L800] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L801] 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 [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] 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 [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L822] 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) [L822] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L822] 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) [L822] 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) [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L823] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L824] 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 [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L825] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L826] 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 [L829] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 3 return 0; [L851] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L855] 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) [L855] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L855] 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) [L855] 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) [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L856] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L857] 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 [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L858] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L859] 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 [L862] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 102 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5296.5ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1081.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2995.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 48 SDtfs, 58 SDslu, 60 SDs, 0 SdLazy, 200 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 182.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 275.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=406occurred in iteration=5, InterpolantAutomatonStates: 54, 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: 35.4ms SsaConstructionTime, 396.4ms SatisfiabilityAnalysisTime, 517.1ms InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 587 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...