/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/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 22:59:01,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 22:59:01,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 22:59:01,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 22:59:01,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 22:59:01,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 22:59:01,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 22:59:01,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 22:59:01,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 22:59:01,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 22:59:01,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 22:59:01,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 22:59:01,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 22:59:01,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 22:59:01,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 22:59:01,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 22:59:01,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 22:59:01,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 22:59:01,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 22:59:01,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 22:59:01,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 22:59:01,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 22:59:01,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 22:59:01,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 22:59:01,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-10 22:59:01,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 22:59:01,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 22:59:01,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 22:59:01,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 22:59:01,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 22:59:01,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 22:59:01,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 22:59:01,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 22:59:01,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 22:59:01,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 22:59:01,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 22:59:01,600 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 [2021-06-10 22:59:01,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 22:59:01,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 22:59:01,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 22:59:01,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 22:59:01,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 22:59:01,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 22:59:01,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 22:59:01,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 22:59:01,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 22:59:01,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 22:59:01,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 22:59:01,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 22:59:01,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 22:59:01,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 22:59:01,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 22:59:01,842 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 22:59:01,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-06-10 22:59:01,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d664d7a9d/842f21f1c5d64770a590ca904ed46b0f/FLAG7aa987c23 [2021-06-10 22:59:02,307 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 22:59:02,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-06-10 22:59:02,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d664d7a9d/842f21f1c5d64770a590ca904ed46b0f/FLAG7aa987c23 [2021-06-10 22:59:02,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d664d7a9d/842f21f1c5d64770a590ca904ed46b0f [2021-06-10 22:59:02,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 22:59:02,658 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 22:59:02,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 22:59:02,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 22:59:02,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 22:59:02,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:02,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f058336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02, skipping insertion in model container [2021-06-10 22:59:02,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:02,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 22:59:02,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 22:59:02,843 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-06-10 22:59:02,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 22:59:02,898 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 22:59:02,935 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-06-10 22:59:02,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 22:59:02,980 INFO L208 MainTranslator]: Completed translation [2021-06-10 22:59:02,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02 WrapperNode [2021-06-10 22:59:02,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 22:59:02,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 22:59:02,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 22:59:02,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 22:59:02,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:02,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:03,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 22:59:03,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 22:59:03,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 22:59:03,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 22:59:03,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:03,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:03,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:03,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:03,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:03,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:03,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (1/1) ... [2021-06-10 22:59:03,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 22:59:03,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 22:59:03,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 22:59:03,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 22:59:03,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (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 [2021-06-10 22:59:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-10 22:59:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 22:59:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-10 22:59:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 22:59:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-06-10 22:59:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-06-10 22:59:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 22:59:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 22:59:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 22:59:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 22:59:03,061 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 22:59:03,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 22:59:03,368 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-06-10 22:59:03,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 10:59:03 BoogieIcfgContainer [2021-06-10 22:59:03,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 22:59:03,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 22:59:03,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 22:59:03,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 22:59:03,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 10:59:02" (1/3) ... [2021-06-10 22:59:03,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285af8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 10:59:03, skipping insertion in model container [2021-06-10 22:59:03,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:02" (2/3) ... [2021-06-10 22:59:03,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285af8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 10:59:03, skipping insertion in model container [2021-06-10 22:59:03,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 10:59:03" (3/3) ... [2021-06-10 22:59:03,374 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-06-10 22:59:03,377 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 22:59:03,380 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-10 22:59:03,381 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 22:59:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,403 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,403 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:03,422 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-10 22:59:03,434 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-10 22:59:03,460 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 22:59:03,460 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 22:59:03,460 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 22:59:03,460 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 22:59:03,460 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 22:59:03,460 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 22:59:03,460 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 22:59:03,460 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 22:59:03,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 96 transitions, 200 flow [2021-06-10 22:59:03,509 INFO L129 PetriNetUnfolder]: 9/95 cut-off events. [2021-06-10 22:59:03,509 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 22:59:03,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 9/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 144 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-06-10 22:59:03,512 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 96 transitions, 200 flow [2021-06-10 22:59:03,515 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 86 transitions, 175 flow [2021-06-10 22:59:03,516 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 22:59:03,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 86 transitions, 175 flow [2021-06-10 22:59:03,526 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 86 transitions, 175 flow [2021-06-10 22:59:03,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 86 transitions, 175 flow [2021-06-10 22:59:03,547 INFO L129 PetriNetUnfolder]: 9/86 cut-off events. [2021-06-10 22:59:03,548 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:59:03,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 86 events. 9/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 126 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-06-10 22:59:03,550 INFO L151 LiptonReduction]: Number of co-enabled transitions 1386 [2021-06-10 22:59:03,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:03,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:03,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:03,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:03,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:03,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:03,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:03,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:03,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:03,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:03,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:04,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:04,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:04,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:04,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:04,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,577 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-10 22:59:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:04,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:04,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:59:04,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:04,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:04,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:04,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 22:59:04,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:59:04,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:05,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:05,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 22:59:05,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 22:59:05,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:59:05,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:05,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:59:05,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:59:05,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 22:59:05,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:59:05,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:59:05,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 22:59:05,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 22:59:05,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:59:05,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:05,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:05,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:05,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:05,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:05,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:05,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:06,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:06,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:06,214 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-10 22:59:06,446 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-10 22:59:06,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:59:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:59:06,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-10 22:59:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-10 22:59:06,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 22:59:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-06-10 22:59:06,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:59:06,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:59:06,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 22:59:06,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:59:06,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:06,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:59:06,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-10 22:59:06,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,785 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-10 22:59:06,785 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 22:59:06,805 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:06,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:07,355 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2021-06-10 22:59:07,588 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-10 22:59:08,124 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2021-06-10 22:59:08,367 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-10 22:59:08,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:08,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:08,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:59:08,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:59:08,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:08,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:08,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 22:59:08,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:59:08,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:08,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:08,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-10 22:59:08,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-10 22:59:08,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:08,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-06-10 22:59:08,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-06-10 22:59:08,399 INFO L163 LiptonReduction]: Checked pairs total: 2792 [2021-06-10 22:59:08,399 INFO L165 LiptonReduction]: Total number of compositions: 80 [2021-06-10 22:59:08,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4886 [2021-06-10 22:59:08,406 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-06-10 22:59:08,406 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:59:08,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:59:08,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-10 22:59:08,407 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 22:59:08,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:59:08,410 INFO L82 PathProgramCache]: Analyzing trace with hash 351602258, now seen corresponding path program 1 times [2021-06-10 22:59:08,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:59:08,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275218092] [2021-06-10 22:59:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:59:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:59:08,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:59:08,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275218092] [2021-06-10 22:59:08,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:59:08,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 22:59:08,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728862948] [2021-06-10 22:59:08,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 22:59:08,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:59:08,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 22:59:08,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 22:59:08,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 176 [2021-06-10 22:59:08,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2021-06-10 22:59:08,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:59:08,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 176 [2021-06-10 22:59:08,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:59:08,549 INFO L129 PetriNetUnfolder]: 11/60 cut-off events. [2021-06-10 22:59:08,549 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:59:08,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 60 events. 11/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 200 event pairs, 4 based on Foata normal form. 14/70 useless extension candidates. Maximal degree in co-relation 92. Up to 20 conditions per place. [2021-06-10 22:59:08,550 INFO L132 encePairwiseOnDemand]: 163/176 looper letters, 5 selfloop transitions, 2 changer transitions 9/23 dead transitions. [2021-06-10 22:59:08,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 23 transitions, 75 flow [2021-06-10 22:59:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 22:59:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 22:59:08,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 267 transitions. [2021-06-10 22:59:08,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5056818181818182 [2021-06-10 22:59:08,558 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 267 transitions. [2021-06-10 22:59:08,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 267 transitions. [2021-06-10 22:59:08,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:59:08,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 267 transitions. [2021-06-10 22:59:08,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2021-06-10 22:59:08,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 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) [2021-06-10 22:59:08,566 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 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) [2021-06-10 22:59:08,567 INFO L185 Difference]: Start difference. First operand has 23 places, 27 transitions, 57 flow. Second operand 3 states and 267 transitions. [2021-06-10 22:59:08,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 23 transitions, 75 flow [2021-06-10 22:59:08,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 23 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 22:59:08,569 INFO L241 Difference]: Finished difference. Result has 25 places, 14 transitions, 40 flow [2021-06-10 22:59:08,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=25, PETRI_TRANSITIONS=14} [2021-06-10 22:59:08,571 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2021-06-10 22:59:08,571 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 14 transitions, 40 flow [2021-06-10 22:59:08,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2021-06-10 22:59:08,571 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:59:08,571 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:59:08,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 22:59:08,571 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 22:59:08,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:59:08,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1993649197, now seen corresponding path program 1 times [2021-06-10 22:59:08,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:59:08,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469770301] [2021-06-10 22:59:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:59:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:59:08,619 INFO L142 QuantifierPusher]: treesize reduction 17, result has 43.3 percent of original size [2021-06-10 22:59:08,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:08,626 INFO L142 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size [2021-06-10 22:59:08,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:59:08,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:08,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:08,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:59:08,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469770301] [2021-06-10 22:59:08,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:59:08,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 22:59:08,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89626316] [2021-06-10 22:59:08,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 22:59:08,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:59:08,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 22:59:08,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 22:59:08,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 176 [2021-06-10 22:59:08,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 14 transitions, 40 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:59:08,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:59:08,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 176 [2021-06-10 22:59:08,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:59:08,686 INFO L129 PetriNetUnfolder]: 7/37 cut-off events. [2021-06-10 22:59:08,687 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:59:08,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 37 events. 7/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 4 based on Foata normal form. 4/41 useless extension candidates. Maximal degree in co-relation 70. Up to 15 conditions per place. [2021-06-10 22:59:08,687 INFO L132 encePairwiseOnDemand]: 169/176 looper letters, 4 selfloop transitions, 7 changer transitions 1/17 dead transitions. [2021-06-10 22:59:08,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 17 transitions, 70 flow [2021-06-10 22:59:08,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 22:59:08,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 22:59:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 387 transitions. [2021-06-10 22:59:08,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5497159090909091 [2021-06-10 22:59:08,690 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 387 transitions. [2021-06-10 22:59:08,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 387 transitions. [2021-06-10 22:59:08,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:59:08,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 387 transitions. [2021-06-10 22:59:08,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 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) [2021-06-10 22:59:08,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 176.0) internal successors, (880), 5 states have internal predecessors, (880), 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) [2021-06-10 22:59:08,693 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 176.0) internal successors, (880), 5 states have internal predecessors, (880), 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) [2021-06-10 22:59:08,693 INFO L185 Difference]: Start difference. First operand has 25 places, 14 transitions, 40 flow. Second operand 4 states and 387 transitions. [2021-06-10 22:59:08,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 17 transitions, 70 flow [2021-06-10 22:59:08,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 17 transitions, 64 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-10 22:59:08,694 INFO L241 Difference]: Finished difference. Result has 22 places, 15 transitions, 58 flow [2021-06-10 22:59:08,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=58, PETRI_PLACES=22, PETRI_TRANSITIONS=15} [2021-06-10 22:59:08,694 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, -1 predicate places. [2021-06-10 22:59:08,695 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 15 transitions, 58 flow [2021-06-10 22:59:08,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:59:08,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:59:08,695 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:59:08,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 22:59:08,695 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 22:59:08,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:59:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash 663826121, now seen corresponding path program 1 times [2021-06-10 22:59:08,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:59:08,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156207207] [2021-06-10 22:59:08,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:59:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 22:59:08,715 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 22:59:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 22:59:08,729 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 22:59:08,742 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 22:59:08,742 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 22:59:08,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 22:59:08,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 10:59:08 BasicIcfg [2021-06-10 22:59:08,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 22:59:08,764 INFO L168 Benchmark]: Toolchain (without parser) took 6105.76 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 334.4 MB in the beginning and 313.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 98.5 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:08,765 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 371.2 MB. Free memory was 352.3 MB in the beginning and 352.2 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 22:59:08,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.00 ms. Allocated memory is still 371.2 MB. Free memory was 334.2 MB in the beginning and 335.3 MB in the end (delta: -1.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:08,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.59 ms. Allocated memory is still 371.2 MB. Free memory was 335.3 MB in the beginning and 333.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:08,769 INFO L168 Benchmark]: Boogie Preprocessor took 14.52 ms. Allocated memory is still 371.2 MB. Free memory was 333.2 MB in the beginning and 332.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 22:59:08,769 INFO L168 Benchmark]: RCFGBuilder took 350.07 ms. Allocated memory is still 371.2 MB. Free memory was 332.2 MB in the beginning and 304.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:08,769 INFO L168 Benchmark]: TraceAbstraction took 5392.60 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 304.9 MB in the beginning and 313.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 69.7 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:08,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 371.2 MB. Free memory was 352.3 MB in the beginning and 352.2 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 321.00 ms. Allocated memory is still 371.2 MB. Free memory was 334.2 MB in the beginning and 335.3 MB in the end (delta: -1.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.59 ms. Allocated memory is still 371.2 MB. Free memory was 335.3 MB in the beginning and 333.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.52 ms. Allocated memory is still 371.2 MB. Free memory was 333.2 MB in the beginning and 332.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 350.07 ms. Allocated memory is still 371.2 MB. Free memory was 332.2 MB in the beginning and 304.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5392.60 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 304.9 MB in the beginning and 313.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 69.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4873.1ms, 81 PlacesBefore, 23 PlacesAfterwards, 86 TransitionsBefore, 27 TransitionsAfterwards, 1386 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 80 TotalNumberOfCompositions, 2792 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1500, positive: 1382, positive conditional: 0, positive unconditional: 1382, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1030, positive: 985, positive conditional: 0, positive unconditional: 985, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1030, positive: 985, positive conditional: 0, positive unconditional: 985, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1030, positive: 908, positive conditional: 0, positive unconditional: 908, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 122, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 276, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1500, positive: 397, positive conditional: 0, positive unconditional: 397, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 1030, unknown conditional: 0, unknown unconditional: 1030] , Statistics on independence cache: Total cache size (in pairs): 1925, Positive cache size: 1881, Positive conditional cache size: 0, Positive unconditional cache size: 1881, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44 - CounterExampleResult [Line: 684]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L700] 0 pthread_t id; [L701] 0 int i = 0; [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={7:0}, arg={5:0}, mutex1={9:0}, mutex2={6:0}] [L693] 1 int *p = (int *) arg; [L695] EXPR 1 \read(*p) [L695] 1 (*p)++ VAL [\read(*p)=0, __global_lock={7:0}, arg={5:0}, arg={5:0}, mutex1={9:0}, mutex2={6:0}, p={5:0}] [L704] 0 \read(i) [L684] COND TRUE 0 !(cond) [L684] 0 reach_error() VAL [__global_lock={7:0}, arg={5:0}, arg={5:0}, mutex1={9:0}, mutex2={6:0}, p={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5286.3ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 99.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4943.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7 SDtfs, 9 SDslu, 0 SDs, 0 SdLazy, 36 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 29.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 7, 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: 4.9ms SsaConstructionTime, 53.2ms SatisfiabilityAnalysisTime, 95.6ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...