/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/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 22:08:34,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 22:08:34,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 22:08:34,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 22:08:34,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 22:08:34,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 22:08:34,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 22:08:34,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 22:08:34,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 22:08:34,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 22:08:34,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 22:08:34,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 22:08:34,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 22:08:34,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 22:08:34,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 22:08:34,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 22:08:34,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 22:08:34,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 22:08:34,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 22:08:34,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 22:08:34,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 22:08:34,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 22:08:34,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 22:08:34,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 22:08:34,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 22:08:34,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 22:08:34,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 22:08:34,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 22:08:34,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 22:08:34,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 22:08:34,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 22:08:34,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 22:08:34,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 22:08:34,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 22:08:34,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 22:08:34,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 22:08:34,760 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 22:08:34,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 22:08:34,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 22:08:34,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 22:08:34,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 22:08:34,789 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 22:08:34,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 22:08:34,789 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 22:08:34,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 22:08:34,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 22:08:34,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 22:08:34,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 22:08:34,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 22:08:34,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 22:08:34,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 22:08:34,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 22:08:34,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 22:08:34,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 22:08:34,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 22:08:34,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 22:08:34,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 22:08:34,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 22:08:35,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 22:08:35,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 22:08:35,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 22:08:35,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 22:08:35,049 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 22:08:35,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-03-24 22:08:35,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b93d4c15/0eba7dbd691a404e956b9dd579069e8f/FLAGb3488f49d [2021-03-24 22:08:35,444 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 22:08:35,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-03-24 22:08:35,444 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-24 22:08:35,444 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-24 22:08:35,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b93d4c15/0eba7dbd691a404e956b9dd579069e8f/FLAGb3488f49d [2021-03-24 22:08:35,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b93d4c15/0eba7dbd691a404e956b9dd579069e8f [2021-03-24 22:08:35,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 22:08:35,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 22:08:35,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 22:08:35,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 22:08:35,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 22:08:35,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1e0b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35, skipping insertion in model container [2021-03-24 22:08:35,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 22:08:35,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 22:08:35,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 22:08:35,623 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 22:08:35,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 22:08:35,640 INFO L208 MainTranslator]: Completed translation [2021-03-24 22:08:35,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35 WrapperNode [2021-03-24 22:08:35,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 22:08:35,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 22:08:35,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 22:08:35,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 22:08:35,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 22:08:35,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 22:08:35,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 22:08:35,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 22:08:35,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (1/1) ... [2021-03-24 22:08:35,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 22:08:35,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 22:08:35,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 22:08:35,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 22:08:35,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (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 22:08:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 22:08:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-24 22:08:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-24 22:08:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 22:08:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 22:08:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-24 22:08:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 22:08:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 22:08:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 22:08:35,772 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 22:08:35,946 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 22:08:35,946 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-24 22:08:35,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:08:35 BoogieIcfgContainer [2021-03-24 22:08:35,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 22:08:35,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 22:08:35,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 22:08:35,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 22:08:35,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:08:35" (1/3) ... [2021-03-24 22:08:35,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a782f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:08:35, skipping insertion in model container [2021-03-24 22:08:35,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:08:35" (2/3) ... [2021-03-24 22:08:35,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a782f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:08:35, skipping insertion in model container [2021-03-24 22:08:35,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:08:35" (3/3) ... [2021-03-24 22:08:35,951 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2021-03-24 22:08:35,955 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 22:08:35,957 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 22:08:35,957 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 22:08:35,994 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,994 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,994 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,994 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,994 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,994 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,995 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,996 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,996 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,996 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,996 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,996 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,996 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,996 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,996 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,997 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,999 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,999 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,999 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,999 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,999 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,999 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,999 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:35,999 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,001 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,001 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,001 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,001 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,002 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,003 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,003 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,003 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,003 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,003 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,003 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,003 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,003 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,004 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,004 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,004 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,004 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,004 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,005 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,006 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,006 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,006 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,006 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,006 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,006 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,009 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,009 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,010 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,010 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,010 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,010 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,010 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,012 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,012 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,012 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,012 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,012 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,012 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,012 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:08:36,020 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-24 22:08:36,032 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-24 22:08:36,052 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 22:08:36,052 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 22:08:36,052 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 22:08:36,052 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 22:08:36,052 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 22:08:36,052 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 22:08:36,052 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 22:08:36,052 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 22:08:36,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 77 transitions, 196 flow [2021-03-24 22:08:36,117 INFO L129 PetriNetUnfolder]: 5/85 cut-off events. [2021-03-24 22:08:36,117 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-24 22:08:36,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 85 events. 5/85 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 114 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 50. Up to 6 conditions per place. [2021-03-24 22:08:36,120 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 77 transitions, 196 flow [2021-03-24 22:08:36,125 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 158 flow [2021-03-24 22:08:36,126 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 22:08:36,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 61 transitions, 158 flow [2021-03-24 22:08:36,137 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 61 transitions, 158 flow [2021-03-24 22:08:36,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 61 transitions, 158 flow [2021-03-24 22:08:36,161 INFO L129 PetriNetUnfolder]: 5/72 cut-off events. [2021-03-24 22:08:36,161 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-24 22:08:36,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 72 events. 5/72 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 110 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 50. Up to 6 conditions per place. [2021-03-24 22:08:36,165 INFO L142 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-24 22:08:37,392 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-03-24 22:08:37,560 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-03-24 22:08:37,624 INFO L154 LiptonReduction]: Checked pairs total: 1094 [2021-03-24 22:08:37,624 INFO L156 LiptonReduction]: Total number of compositions: 32 [2021-03-24 22:08:37,628 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1503 [2021-03-24 22:08:37,644 INFO L129 PetriNetUnfolder]: 5/35 cut-off events. [2021-03-24 22:08:37,644 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-24 22:08:37,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:08:37,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:08:37,645 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:08:37,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:08:37,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1125159806, now seen corresponding path program 1 times [2021-03-24 22:08:37,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:08:37,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364007858] [2021-03-24 22:08:37,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:08:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:08:37,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:08:37,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:08:37,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:08:37,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:08:37,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:08:37,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:08:37,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:08:37,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:08:37,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:08:37,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:08:37,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:08:37,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:08:37,894 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 22:08:37,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364007858] [2021-03-24 22:08:37,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 22:08:37,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 22:08:37,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853007946] [2021-03-24 22:08:37,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 22:08:37,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:08:37,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 22:08:37,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 22:08:37,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 109 [2021-03-24 22:08:37,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 29 transitions, 94 flow. Second operand has 8 states, 8 states have (on average 57.375) internal successors, (459), 8 states have internal predecessors, (459), 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 22:08:37,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:08:37,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 109 [2021-03-24 22:08:37,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:08:38,137 INFO L129 PetriNetUnfolder]: 570/1054 cut-off events. [2021-03-24 22:08:38,137 INFO L130 PetriNetUnfolder]: For 116/116 co-relation queries the response was YES. [2021-03-24 22:08:38,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2122 conditions, 1054 events. 570/1054 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5284 event pairs, 141 based on Foata normal form. 1/1046 useless extension candidates. Maximal degree in co-relation 1780. Up to 355 conditions per place. [2021-03-24 22:08:38,144 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 55 selfloop transitions, 17 changer transitions 2/84 dead transitions. [2021-03-24 22:08:38,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 84 transitions, 364 flow [2021-03-24 22:08:38,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 22:08:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 22:08:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 570 transitions. [2021-03-24 22:08:38,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.581039755351682 [2021-03-24 22:08:38,154 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 570 transitions. [2021-03-24 22:08:38,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 570 transitions. [2021-03-24 22:08:38,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:08:38,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 570 transitions. [2021-03-24 22:08:38,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 63.333333333333336) internal successors, (570), 9 states have internal predecessors, (570), 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 22:08:38,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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 22:08:38,164 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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 22:08:38,165 INFO L185 Difference]: Start difference. First operand has 33 places, 29 transitions, 94 flow. Second operand 9 states and 570 transitions. [2021-03-24 22:08:38,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 84 transitions, 364 flow [2021-03-24 22:08:38,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 84 transitions, 332 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-24 22:08:38,170 INFO L241 Difference]: Finished difference. Result has 39 places, 44 transitions, 166 flow [2021-03-24 22:08:38,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=166, PETRI_PLACES=39, PETRI_TRANSITIONS=44} [2021-03-24 22:08:38,172 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2021-03-24 22:08:38,172 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 44 transitions, 166 flow [2021-03-24 22:08:38,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 57.375) internal successors, (459), 8 states have internal predecessors, (459), 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 22:08:38,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:08:38,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:08:38,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 22:08:38,173 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:08:38,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:08:38,173 INFO L82 PathProgramCache]: Analyzing trace with hash 2094852966, now seen corresponding path program 1 times [2021-03-24 22:08:38,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:08:38,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065818280] [2021-03-24 22:08:38,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:08:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 22:08:38,189 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 22:08:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 22:08:38,205 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 22:08:38,227 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 22:08:38,227 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 22:08:38,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 22:08:38,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:08:38 BasicIcfg [2021-03-24 22:08:38,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 22:08:38,254 INFO L168 Benchmark]: Toolchain (without parser) took 2769.86 ms. Allocated memory is still 364.9 MB. Free memory was 327.7 MB in the beginning and 144.4 MB in the end (delta: 183.3 MB). Peak memory consumption was 186.3 MB. Max. memory is 16.0 GB. [2021-03-24 22:08:38,255 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 364.9 MB. Free memory was 346.1 MB in the beginning and 346.1 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 22:08:38,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.31 ms. Allocated memory is still 364.9 MB. Free memory was 327.6 MB in the beginning and 343.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. [2021-03-24 22:08:38,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.21 ms. Allocated memory is still 364.9 MB. Free memory was 343.5 MB in the beginning and 347.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 22:08:38,256 INFO L168 Benchmark]: Boogie Preprocessor took 25.78 ms. Allocated memory is still 364.9 MB. Free memory was 347.8 MB in the beginning and 346.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 22:08:38,256 INFO L168 Benchmark]: RCFGBuilder took 234.58 ms. Allocated memory is still 364.9 MB. Free memory was 346.8 MB in the beginning and 330.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-24 22:08:38,256 INFO L168 Benchmark]: TraceAbstraction took 2305.51 ms. Allocated memory is still 364.9 MB. Free memory was 330.0 MB in the beginning and 144.4 MB in the end (delta: 185.6 MB). Peak memory consumption was 185.6 MB. Max. memory is 16.0 GB. [2021-03-24 22:08:38,258 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 364.9 MB. Free memory was 346.1 MB in the beginning and 346.1 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 155.31 ms. Allocated memory is still 364.9 MB. Free memory was 327.6 MB in the beginning and 343.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.21 ms. Allocated memory is still 364.9 MB. Free memory was 343.5 MB in the beginning and 347.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.78 ms. Allocated memory is still 364.9 MB. Free memory was 347.8 MB in the beginning and 346.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 234.58 ms. Allocated memory is still 364.9 MB. Free memory was 346.8 MB in the beginning and 330.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2305.51 ms. Allocated memory is still 364.9 MB. Free memory was 330.0 MB in the beginning and 144.4 MB in the end (delta: 185.6 MB). Peak memory consumption was 185.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1487.8ms, 65 PlacesBefore, 33 PlacesAfterwards, 61 TransitionsBefore, 29 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 32 TotalNumberOfCompositions, 1094 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 600, positive: 568, positive conditional: 0, positive unconditional: 568, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 506, positive: 488, positive conditional: 0, positive unconditional: 488, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 506, positive: 488, positive conditional: 0, positive unconditional: 488, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 506, positive: 484, positive conditional: 0, positive unconditional: 484, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 600, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 506, unknown conditional: 0, unknown unconditional: 506] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - CounterExampleResult [Line: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int counter = 0; [L23] 0 int val = 0; [L25] 0 pthread_t first_thread_id; [L26] 0 pthread_t second_thread_id; [L27] 0 pthread_t third_thread_id; [L29] FCALL, FORK 0 pthread_create(&first_thread_id, NULL, foo, &val) VAL [counter=0, n={5:0}] [L16] 1 int *x = (int *)n; [L17] 1 ++counter VAL [++counter=1, counter=0, n={5:0}, n={5:0}, x={5:0}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [++counter=1, counter=0, n={5:0}, n={5:0}, x={5:0}] [L16] 2 int *x = (int *)n; [L17] EXPR 2 ++counter VAL [++counter=1, counter=0, n={5:0}, n={5:0}, x={5:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [++counter=1, counter=0, n={5:0}, n={5:0}, x={5:0}] [L16] 3 int *x = (int *)n; [L17] 3 ++counter VAL [++counter=1, counter=0, n={5:0}, n={5:0}, x={5:0}] [L33] 0 \read(first_thread_id) VAL [++counter=1, counter=0, n={5:0}, n={5:0}, x={5:0}] [L17] 1 ++counter VAL [++counter=1, counter=2, n={5:0}, n={5:0}, x={5:0}] [L17] 2 *x = ++counter [L18] 2 return 0; [L17] 3 ++counter VAL [++counter=1, \result={0:0}, counter=3, n={5:0}, n={5:0}, x={5:0}] [L17] 1 *x = ++counter [L18] 1 return 0; [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [++counter=1, \result={0:0}, counter=3, n={5:0}, n={5:0}, x={5:0}] [L34] 0 \read(second_thread_id) VAL [++counter=1, \result={0:0}, counter=3, n={5:0}, n={5:0}, x={5:0}] [L34] FCALL, JOIN 2 pthread_join(second_thread_id, NULL) VAL [++counter=1, \result={0:0}, counter=3, n={5:0}, n={5:0}, x={5:0}] [L35] 0 \read(third_thread_id) VAL [++counter=1, \result={0:0}, counter=3, n={5:0}, n={5:0}, x={5:0}] [L17] 3 *x = ++counter VAL [++counter=1, \result={0:0}, counter=3, n={5:0}, n={5:0}, x={5:0}] [L18] 3 return 0; [L35] FCALL, JOIN 3 pthread_join(third_thread_id, NULL) VAL [\result={0:0}, counter=3, n={5:0}, n={5:0}, x={5:0}] [L37] FCALL 0 IdentifierExpression[val] [L37] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, counter=3, n={5:0}, n={5:0}, x={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 2181.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 265.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1583.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 26 SDtfs, 38 SDslu, 71 SDs, 0 SdLazy, 198 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=1, InterpolantAutomatonStates: 9, 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: 7.9ms SsaConstructionTime, 64.8ms SatisfiabilityAnalysisTime, 133.3ms InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...