/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 14:02:23,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 14:02:23,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 14:02:23,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 14:02:23,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 14:02:23,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 14:02:23,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 14:02:23,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 14:02:23,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 14:02:23,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 14:02:23,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 14:02:23,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 14:02:23,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 14:02:23,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 14:02:23,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 14:02:23,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 14:02:23,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 14:02:23,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 14:02:23,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 14:02:23,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 14:02:23,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 14:02:23,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 14:02:23,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 14:02:23,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 14:02:23,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-09 14:02:23,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 14:02:23,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 14:02:23,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 14:02:23,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 14:02:23,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 14:02:23,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 14:02:23,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 14:02:23,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 14:02:23,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 14:02:23,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 14:02:23,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 14:02:23,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 14:02:23,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 14:02:23,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 14:02:23,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 14:02:23,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 14:02:23,809 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 14:02:23,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 14:02:23,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 14:02:23,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 14:02:23,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 14:02:23,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 14:02:23,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 14:02:23,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 14:02:23,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 14:02:23,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 14:02:23,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 14:02:23,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 14:02:23,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 14:02:23,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 14:02:23,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 14:02:23,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 14:02:23,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 14:02:23,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 14:02:23,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 14:02:23,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 14:02:23,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 14:02:23,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 14:02:23,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 14:02:23,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 14:02:23,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 14:02:23,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 14:02:24,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 14:02:24,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 14:02:24,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 14:02:24,159 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 14:02:24,160 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 14:02:24,161 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-09 14:02:24,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c979c660f/c0f6894dc9844a66bf31c2c7f7b09b3f/FLAG0730ae7ef [2020-10-09 14:02:24,661 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 14:02:24,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-09 14:02:24,662 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-09 14:02:24,662 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-09 14:02:24,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c979c660f/c0f6894dc9844a66bf31c2c7f7b09b3f/FLAG0730ae7ef [2020-10-09 14:02:25,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c979c660f/c0f6894dc9844a66bf31c2c7f7b09b3f [2020-10-09 14:02:25,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 14:02:25,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 14:02:25,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 14:02:25,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 14:02:25,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 14:02:25,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7263a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25, skipping insertion in model container [2020-10-09 14:02:25,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 14:02:25,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 14:02:25,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 14:02:25,472 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 14:02:25,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 14:02:25,518 INFO L208 MainTranslator]: Completed translation [2020-10-09 14:02:25,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25 WrapperNode [2020-10-09 14:02:25,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 14:02:25,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 14:02:25,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 14:02:25,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 14:02:25,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 14:02:25,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 14:02:25,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 14:02:25,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 14:02:25,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... [2020-10-09 14:02:25,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 14:02:25,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 14:02:25,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 14:02:25,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 14:02:25,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 14:02:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 14:02:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-09 14:02:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-09 14:02:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2020-10-09 14:02:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2020-10-09 14:02:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 14:02:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 14:02:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 14:02:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 14:02:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-09 14:02:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 14:02:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 14:02:25,692 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 14:02:26,069 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 14:02:26,069 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-09 14:02:26,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 02:02:26 BoogieIcfgContainer [2020-10-09 14:02:26,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 14:02:26,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 14:02:26,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 14:02:26,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 14:02:26,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 02:02:25" (1/3) ... [2020-10-09 14:02:26,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3d02ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 02:02:26, skipping insertion in model container [2020-10-09 14:02:26,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:25" (2/3) ... [2020-10-09 14:02:26,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3d02ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 02:02:26, skipping insertion in model container [2020-10-09 14:02:26,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 02:02:26" (3/3) ... [2020-10-09 14:02:26,080 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2020-10-09 14:02:26,094 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 14:02:26,094 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 14:02:26,101 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-09 14:02:26,102 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 14:02:26,135 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,135 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,136 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,136 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,136 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,136 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,137 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,137 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,137 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,138 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,138 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,138 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,138 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,139 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,139 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,139 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,140 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,140 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,140 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,140 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,141 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,141 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,141 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,141 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,142 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,142 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,142 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,142 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,143 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,143 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,143 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,144 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,144 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,144 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,145 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,145 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,145 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,145 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,146 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,146 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,146 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,146 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,147 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,147 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,147 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,147 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,147 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,148 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,148 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,148 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,149 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,149 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,149 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,149 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,149 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,150 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,150 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,150 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,150 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,151 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,151 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,151 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,151 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,151 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,152 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,152 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,152 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,152 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,153 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,153 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,156 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,157 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,157 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,157 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,157 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,158 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,159 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,159 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,159 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,159 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,160 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,161 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,161 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,161 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,161 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:26,185 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-09 14:02:26,208 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 14:02:26,208 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 14:02:26,208 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 14:02:26,209 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 14:02:26,209 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 14:02:26,209 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 14:02:26,209 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 14:02:26,209 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 14:02:26,226 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 14:02:26,229 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 158 flow [2020-10-09 14:02:26,235 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 75 transitions, 158 flow [2020-10-09 14:02:26,238 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-10-09 14:02:26,295 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-10-09 14:02:26,295 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-09 14:02:26,299 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-09 14:02:26,302 INFO L117 LiptonReduction]: Number of co-enabled transitions 496 [2020-10-09 14:02:27,783 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-09 14:02:28,199 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-10-09 14:02:28,378 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-09 14:02:28,594 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 14:02:28,673 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 14:02:28,678 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 14:02:28,739 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 14:02:28,740 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-09 14:02:28,740 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:125, output treesize:127 [2020-10-09 14:02:29,140 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-09 14:02:29,350 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-09 14:02:30,476 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-10-09 14:02:30,965 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-09 14:02:30,984 INFO L132 LiptonReduction]: Checked pairs total: 581 [2020-10-09 14:02:30,984 INFO L134 LiptonReduction]: Total number of compositions: 69 [2020-10-09 14:02:30,991 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 13 transitions, 34 flow [2020-10-09 14:02:30,998 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-10-09 14:02:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-09 14:02:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-09 14:02:31,007 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:31,008 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-09 14:02:31,008 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:31,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:31,014 INFO L82 PathProgramCache]: Analyzing trace with hash 277840, now seen corresponding path program 1 times [2020-10-09 14:02:31,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:31,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899129507] [2020-10-09 14:02:31,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:02:31,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899129507] [2020-10-09 14:02:31,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:31,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 14:02:31,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830845747] [2020-10-09 14:02:31,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 14:02:31,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:31,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 14:02:31,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:02:31,220 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-10-09 14:02:31,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:31,250 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-10-09 14:02:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 14:02:31,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-09 14:02:31,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:31,262 INFO L225 Difference]: With dead ends: 17 [2020-10-09 14:02:31,262 INFO L226 Difference]: Without dead ends: 16 [2020-10-09 14:02:31,263 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:02:31,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-09 14:02:31,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-09 14:02:31,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-09 14:02:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2020-10-09 14:02:31,301 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 3 [2020-10-09 14:02:31,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:31,302 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-10-09 14:02:31,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 14:02:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2020-10-09 14:02:31,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-09 14:02:31,303 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:31,303 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-09 14:02:31,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 14:02:31,304 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:31,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:31,304 INFO L82 PathProgramCache]: Analyzing trace with hash 277825, now seen corresponding path program 1 times [2020-10-09 14:02:31,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:31,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638626435] [2020-10-09 14:02:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:02:31,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638626435] [2020-10-09 14:02:31,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:31,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 14:02:31,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231251933] [2020-10-09 14:02:31,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 14:02:31,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:31,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 14:02:31,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:02:31,412 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand 3 states. [2020-10-09 14:02:31,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:31,451 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2020-10-09 14:02:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 14:02:31,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-09 14:02:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:31,452 INFO L225 Difference]: With dead ends: 20 [2020-10-09 14:02:31,453 INFO L226 Difference]: Without dead ends: 17 [2020-10-09 14:02:31,454 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:02:31,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-10-09 14:02:31,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2020-10-09 14:02:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-09 14:02:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2020-10-09 14:02:31,458 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 3 [2020-10-09 14:02:31,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:31,458 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2020-10-09 14:02:31,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 14:02:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2020-10-09 14:02:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-09 14:02:31,459 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:31,459 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-09 14:02:31,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 14:02:31,460 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:31,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:31,460 INFO L82 PathProgramCache]: Analyzing trace with hash 8613291, now seen corresponding path program 1 times [2020-10-09 14:02:31,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:31,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843756231] [2020-10-09 14:02:31,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:31,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:02:31,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843756231] [2020-10-09 14:02:31,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:31,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 14:02:31,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455093730] [2020-10-09 14:02:31,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 14:02:31,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:31,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 14:02:31,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 14:02:31,540 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 4 states. [2020-10-09 14:02:31,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:31,569 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-10-09 14:02:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 14:02:31,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-10-09 14:02:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:31,571 INFO L225 Difference]: With dead ends: 14 [2020-10-09 14:02:31,571 INFO L226 Difference]: Without dead ends: 14 [2020-10-09 14:02:31,572 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 14:02:31,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-09 14:02:31,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-09 14:02:31,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-09 14:02:31,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-10-09 14:02:31,575 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 4 [2020-10-09 14:02:31,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:31,576 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-10-09 14:02:31,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 14:02:31,576 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-10-09 14:02:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 14:02:31,577 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:31,577 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 14:02:31,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 14:02:31,577 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:31,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:31,578 INFO L82 PathProgramCache]: Analyzing trace with hash 267013202, now seen corresponding path program 1 times [2020-10-09 14:02:31,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:31,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320643407] [2020-10-09 14:02:31,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 14:02:31,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 14:02:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 14:02:31,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 14:02:31,737 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 14:02:31,737 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 14:02:31,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 14:02:31,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 02:02:31 BasicIcfg [2020-10-09 14:02:31,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 14:02:31,772 INFO L168 Benchmark]: Toolchain (without parser) took 6694.89 ms. Allocated memory was 243.8 MB in the beginning and 435.7 MB in the end (delta: 191.9 MB). Free memory was 198.9 MB in the beginning and 401.7 MB in the end (delta: -202.8 MB). Peak memory consumption was 177.9 MB. Max. memory is 14.2 GB. [2020-10-09 14:02:31,773 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 243.8 MB. Free memory is still 220.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 14:02:31,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.26 ms. Allocated memory was 243.8 MB in the beginning and 292.6 MB in the end (delta: 48.8 MB). Free memory was 198.9 MB in the beginning and 266.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. [2020-10-09 14:02:31,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.76 ms. Allocated memory is still 292.6 MB. Free memory was 266.7 MB in the beginning and 264.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 14:02:31,775 INFO L168 Benchmark]: Boogie Preprocessor took 54.78 ms. Allocated memory is still 292.6 MB. Free memory was 264.1 MB in the beginning and 261.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 14:02:31,776 INFO L168 Benchmark]: RCFGBuilder took 443.55 ms. Allocated memory is still 292.6 MB. Free memory was 261.6 MB in the beginning and 238.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. [2020-10-09 14:02:31,777 INFO L168 Benchmark]: TraceAbstraction took 5697.26 ms. Allocated memory was 292.6 MB in the beginning and 435.7 MB in the end (delta: 143.1 MB). Free memory was 236.4 MB in the beginning and 401.7 MB in the end (delta: -165.3 MB). Peak memory consumption was 166.6 MB. Max. memory is 14.2 GB. [2020-10-09 14:02:31,782 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 243.8 MB. Free memory is still 220.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 442.26 ms. Allocated memory was 243.8 MB in the beginning and 292.6 MB in the end (delta: 48.8 MB). Free memory was 198.9 MB in the beginning and 266.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 50.76 ms. Allocated memory is still 292.6 MB. Free memory was 266.7 MB in the beginning and 264.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 54.78 ms. Allocated memory is still 292.6 MB. Free memory was 264.1 MB in the beginning and 261.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 443.55 ms. Allocated memory is still 292.6 MB. Free memory was 261.6 MB in the beginning and 238.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5697.26 ms. Allocated memory was 292.6 MB in the beginning and 435.7 MB in the end (delta: 143.1 MB). Free memory was 236.4 MB in the beginning and 401.7 MB in the end (delta: -165.3 MB). Peak memory consumption was 166.6 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 313 VarBasedMoverChecksPositive, 20 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 20 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.7s, 79 PlacesBefore, 17 PlacesAfterwards, 75 TransitionsBefore, 13 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 69 TotalNumberOfCompositions, 581 MoverChecksTotal - CounterExampleResult [Line: 33]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 int globVar; [L27] 0 int locVar = 7; [L28] 0 globVar = 0 [L30] 0 pthread_t thread_id; [L32] FCALL, FORK 0 pthread_create(&thread_id, NULL, increment, &globVar) VAL [globVar={6:0}, n={6:0}] [L18] 1 int *result = (int *)n; [L18] EXPR 1 \read(*n) [L18] 1 int *result = (int *)n; [L19] EXPR 1 \read(*result) [L19] 1 (*result)++ [L20] 1 \read(*result) [L21] 1 \read(*result) [L23] EXPR 1 \read(*result) [L23] 1 return (void *)result; [L23] 1 return (void *)result; [L18] 1 int *result = (int *)n; [L23] 1 return (void *)result; [L33] FCALL 0 IdentifierExpression[globVar] [L33] 0 CodeAnnotStmt[Assertion] VAL [\result={6:0}, globVar={6:0}, n={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 17 SDtfs, 14 SDslu, 3 SDs, 0 SdLazy, 26 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...