/usr/bin/java -Xmx8000000000 -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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 22:12:54,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 22:12:54,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 22:12:54,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 22:12:54,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 22:12:54,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 22:12:54,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 22:12:54,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 22:12:54,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 22:12:54,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 22:12:54,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 22:12:54,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 22:12:54,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 22:12:54,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 22:12:54,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 22:12:54,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 22:12:54,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 22:12:54,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 22:12:54,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 22:12:54,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 22:12:54,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 22:12:54,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 22:12:54,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 22:12:54,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 22:12:54,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 22:12:54,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 22:12:54,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 22:12:54,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 22:12:54,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 22:12:54,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 22:12:54,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 22:12:54,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 22:12:54,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 22:12:54,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 22:12:54,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 22:12:54,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 22:12:54,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 22:12:54,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 22:12:54,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 22:12:54,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 22:12:54,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 22:12:54,710 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-FA-SemanticLbe.epf [2020-04-17 22:12:54,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 22:12:54,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 22:12:54,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 22:12:54,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 22:12:54,751 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 22:12:54,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 22:12:54,752 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 22:12:54,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 22:12:54,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 22:12:54,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 22:12:54,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 22:12:54,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 22:12:54,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 22:12:54,753 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 22:12:54,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 22:12:54,756 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 22:12:54,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 22:12:54,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 22:12:54,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 22:12:54,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 22:12:54,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 22:12:54,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 22:12:54,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 22:12:54,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 22:12:54,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 22:12:54,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 22:12:54,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 22:12:54,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 22:12:54,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 22:12:55,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 22:12:55,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 22:12:55,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 22:12:55,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 22:12:55,041 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 22:12:55,041 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i [2020-04-17 22:12:55,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3f0c7a9/034b33a3d3e64dc89993a7fc9d6f6a98/FLAG46481137d [2020-04-17 22:12:55,627 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 22:12:55,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i [2020-04-17 22:12:55,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3f0c7a9/034b33a3d3e64dc89993a7fc9d6f6a98/FLAG46481137d [2020-04-17 22:12:55,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3f0c7a9/034b33a3d3e64dc89993a7fc9d6f6a98 [2020-04-17 22:12:55,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 22:12:55,983 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 22:12:55,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 22:12:55,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 22:12:55,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 22:12:55,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:12:55" (1/1) ... [2020-04-17 22:12:55,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aabf50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:55, skipping insertion in model container [2020-04-17 22:12:55,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:12:55" (1/1) ... [2020-04-17 22:12:56,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 22:12:56,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 22:12:56,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:12:56,580 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 22:12:56,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:12:56,704 INFO L208 MainTranslator]: Completed translation [2020-04-17 22:12:56,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56 WrapperNode [2020-04-17 22:12:56,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 22:12:56,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 22:12:56,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 22:12:56,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 22:12:56,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 22:12:56,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 22:12:56,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 22:12:56,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 22:12:56,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (1/1) ... [2020-04-17 22:12:56,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 22:12:56,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 22:12:56,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 22:12:56,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 22:12:56,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (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 [2020-04-17 22:12:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 22:12:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-17 22:12:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 22:12:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 22:12:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-17 22:12:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-17 22:12:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-17 22:12:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-17 22:12:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-17 22:12:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-17 22:12:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-04-17 22:12:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-04-17 22:12:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-17 22:12:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 22:12:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 22:12:56,878 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 22:12:57,325 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 22:12:57,326 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-17 22:12:57,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:12:57 BoogieIcfgContainer [2020-04-17 22:12:57,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 22:12:57,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 22:12:57,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 22:12:57,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 22:12:57,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:12:55" (1/3) ... [2020-04-17 22:12:57,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5b7d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:12:57, skipping insertion in model container [2020-04-17 22:12:57,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:12:56" (2/3) ... [2020-04-17 22:12:57,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5b7d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:12:57, skipping insertion in model container [2020-04-17 22:12:57,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:12:57" (3/3) ... [2020-04-17 22:12:57,339 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_tso.opt.i [2020-04-17 22:12:57,350 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 22:12:57,350 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 22:12:57,358 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-17 22:12:57,359 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 22:12:57,386 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,387 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,387 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,387 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,388 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,388 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,389 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,389 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,389 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,389 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,390 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,390 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,391 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,391 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,391 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,391 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,393 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,393 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,393 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,393 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,394 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,394 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,399 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,399 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,399 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,400 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,413 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,413 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,413 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,413 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,416 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,416 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,416 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,417 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,420 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,421 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,421 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,421 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:12:57,440 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-17 22:12:57,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 22:12:57,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 22:12:57,469 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 22:12:57,469 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 22:12:57,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 22:12:57,470 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 22:12:57,470 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 22:12:57,470 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 22:12:57,497 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 81 transitions, 182 flow [2020-04-17 22:12:57,499 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-04-17 22:12:57,559 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-04-17 22:12:57,559 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 22:12:57,565 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-04-17 22:12:57,569 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-04-17 22:12:57,591 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-04-17 22:12:57,592 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 22:12:57,593 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-04-17 22:12:57,596 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1822 [2020-04-17 22:12:57,597 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 22:12:59,557 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-04-17 22:12:59,851 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3093 [2020-04-17 22:12:59,852 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2020-04-17 22:12:59,856 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 25 transitions, 70 flow [2020-04-17 22:12:59,924 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-04-17 22:12:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-04-17 22:12:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-17 22:12:59,943 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:12:59,944 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:12:59,945 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:12:59,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:12:59,952 INFO L82 PathProgramCache]: Analyzing trace with hash -2005095105, now seen corresponding path program 1 times [2020-04-17 22:12:59,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:12:59,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381743602] [2020-04-17 22:12:59,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:00,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381743602] [2020-04-17 22:13:00,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:00,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-17 22:13:00,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362439487] [2020-04-17 22:13:00,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:13:00,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:00,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:13:00,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:13:00,245 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-04-17 22:13:00,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:00,344 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-04-17 22:13:00,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:13:00,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-04-17 22:13:00,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:00,387 INFO L225 Difference]: With dead ends: 670 [2020-04-17 22:13:00,387 INFO L226 Difference]: Without dead ends: 526 [2020-04-17 22:13:00,389 INFO L678 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 [2020-04-17 22:13:00,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-04-17 22:13:00,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-04-17 22:13:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-04-17 22:13:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-04-17 22:13:00,514 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-04-17 22:13:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:00,515 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-04-17 22:13:00,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:13:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-04-17 22:13:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-17 22:13:00,518 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:00,518 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:00,518 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:00,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:00,519 INFO L82 PathProgramCache]: Analyzing trace with hash -2027599793, now seen corresponding path program 1 times [2020-04-17 22:13:00,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:00,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862933131] [2020-04-17 22:13:00,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:00,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862933131] [2020-04-17 22:13:00,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:00,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:13:00,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715611731] [2020-04-17 22:13:00,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 22:13:00,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:00,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 22:13:00,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:13:00,627 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-04-17 22:13:00,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:00,671 INFO L93 Difference]: Finished difference Result 682 states and 2180 transitions. [2020-04-17 22:13:00,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 22:13:00,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-04-17 22:13:00,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:00,676 INFO L225 Difference]: With dead ends: 682 [2020-04-17 22:13:00,677 INFO L226 Difference]: Without dead ends: 394 [2020-04-17 22:13:00,678 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:13:00,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-04-17 22:13:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-04-17 22:13:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-04-17 22:13:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1224 transitions. [2020-04-17 22:13:00,698 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1224 transitions. Word has length 11 [2020-04-17 22:13:00,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:00,698 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 1224 transitions. [2020-04-17 22:13:00,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 22:13:00,699 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1224 transitions. [2020-04-17 22:13:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 22:13:00,706 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:00,706 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:00,706 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:00,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:00,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1004375926, now seen corresponding path program 1 times [2020-04-17 22:13:00,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:00,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711762303] [2020-04-17 22:13:00,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:00,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711762303] [2020-04-17 22:13:00,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:00,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-17 22:13:00,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717799800] [2020-04-17 22:13:00,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:13:00,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:00,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:13:00,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:13:00,814 INFO L87 Difference]: Start difference. First operand 394 states and 1224 transitions. Second operand 3 states. [2020-04-17 22:13:00,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:00,826 INFO L93 Difference]: Finished difference Result 376 states and 1155 transitions. [2020-04-17 22:13:00,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:13:00,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-04-17 22:13:00,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:00,830 INFO L225 Difference]: With dead ends: 376 [2020-04-17 22:13:00,830 INFO L226 Difference]: Without dead ends: 376 [2020-04-17 22:13:00,831 INFO L678 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 [2020-04-17 22:13:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-04-17 22:13:00,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-04-17 22:13:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-04-17 22:13:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1155 transitions. [2020-04-17 22:13:00,844 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1155 transitions. Word has length 12 [2020-04-17 22:13:00,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:00,845 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 1155 transitions. [2020-04-17 22:13:00,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:13:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1155 transitions. [2020-04-17 22:13:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-17 22:13:00,846 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:00,846 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:00,846 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:00,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:00,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1070016734, now seen corresponding path program 1 times [2020-04-17 22:13:00,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:00,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712915539] [2020-04-17 22:13:00,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:00,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712915539] [2020-04-17 22:13:00,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:00,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:13:00,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446983346] [2020-04-17 22:13:00,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 22:13:00,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:00,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 22:13:00,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:13:00,945 INFO L87 Difference]: Start difference. First operand 376 states and 1155 transitions. Second operand 4 states. [2020-04-17 22:13:00,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:00,976 INFO L93 Difference]: Finished difference Result 526 states and 1582 transitions. [2020-04-17 22:13:00,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 22:13:00,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-04-17 22:13:00,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:00,979 INFO L225 Difference]: With dead ends: 526 [2020-04-17 22:13:00,980 INFO L226 Difference]: Without dead ends: 286 [2020-04-17 22:13:00,980 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:13:00,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-04-17 22:13:00,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2020-04-17 22:13:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-04-17 22:13:00,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 851 transitions. [2020-04-17 22:13:00,994 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 851 transitions. Word has length 13 [2020-04-17 22:13:00,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:00,995 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 851 transitions. [2020-04-17 22:13:00,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 22:13:00,995 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 851 transitions. [2020-04-17 22:13:00,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-17 22:13:00,996 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:00,996 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:00,996 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:00,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:00,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1152221153, now seen corresponding path program 1 times [2020-04-17 22:13:00,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:00,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963623382] [2020-04-17 22:13:00,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:01,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963623382] [2020-04-17 22:13:01,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:01,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:13:01,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017331276] [2020-04-17 22:13:01,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 22:13:01,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:01,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 22:13:01,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:13:01,060 INFO L87 Difference]: Start difference. First operand 286 states and 851 transitions. Second operand 4 states. [2020-04-17 22:13:01,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:01,097 INFO L93 Difference]: Finished difference Result 458 states and 1291 transitions. [2020-04-17 22:13:01,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 22:13:01,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-04-17 22:13:01,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:01,100 INFO L225 Difference]: With dead ends: 458 [2020-04-17 22:13:01,100 INFO L226 Difference]: Without dead ends: 250 [2020-04-17 22:13:01,100 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:13:01,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-04-17 22:13:01,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 226. [2020-04-17 22:13:01,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-04-17 22:13:01,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 619 transitions. [2020-04-17 22:13:01,109 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 619 transitions. Word has length 14 [2020-04-17 22:13:01,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:01,109 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 619 transitions. [2020-04-17 22:13:01,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 22:13:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 619 transitions. [2020-04-17 22:13:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-17 22:13:01,110 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:01,111 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:01,111 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:01,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:01,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1162350155, now seen corresponding path program 1 times [2020-04-17 22:13:01,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:01,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232686417] [2020-04-17 22:13:01,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:01,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232686417] [2020-04-17 22:13:01,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:01,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:13:01,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337779051] [2020-04-17 22:13:01,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 22:13:01,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:01,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 22:13:01,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:13:01,225 INFO L87 Difference]: Start difference. First operand 226 states and 619 transitions. Second operand 4 states. [2020-04-17 22:13:01,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:01,277 INFO L93 Difference]: Finished difference Result 287 states and 728 transitions. [2020-04-17 22:13:01,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 22:13:01,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-04-17 22:13:01,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:01,279 INFO L225 Difference]: With dead ends: 287 [2020-04-17 22:13:01,281 INFO L226 Difference]: Without dead ends: 206 [2020-04-17 22:13:01,281 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:13:01,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-04-17 22:13:01,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-04-17 22:13:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-04-17 22:13:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 530 transitions. [2020-04-17 22:13:01,288 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 530 transitions. Word has length 14 [2020-04-17 22:13:01,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:01,288 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 530 transitions. [2020-04-17 22:13:01,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 22:13:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 530 transitions. [2020-04-17 22:13:01,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 22:13:01,290 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:01,290 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:01,290 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:01,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:01,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1647463604, now seen corresponding path program 1 times [2020-04-17 22:13:01,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:01,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878421483] [2020-04-17 22:13:01,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:01,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878421483] [2020-04-17 22:13:01,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:01,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:13:01,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673453983] [2020-04-17 22:13:01,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 22:13:01,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:01,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 22:13:01,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:13:01,386 INFO L87 Difference]: Start difference. First operand 206 states and 530 transitions. Second operand 5 states. [2020-04-17 22:13:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:01,462 INFO L93 Difference]: Finished difference Result 227 states and 530 transitions. [2020-04-17 22:13:01,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-17 22:13:01,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-04-17 22:13:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:01,464 INFO L225 Difference]: With dead ends: 227 [2020-04-17 22:13:01,464 INFO L226 Difference]: Without dead ends: 162 [2020-04-17 22:13:01,465 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-17 22:13:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-04-17 22:13:01,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-04-17 22:13:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-04-17 22:13:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 369 transitions. [2020-04-17 22:13:01,470 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 369 transitions. Word has length 15 [2020-04-17 22:13:01,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:01,471 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 369 transitions. [2020-04-17 22:13:01,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 22:13:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 369 transitions. [2020-04-17 22:13:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-17 22:13:01,472 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:01,472 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:01,472 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:01,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:01,472 INFO L82 PathProgramCache]: Analyzing trace with hash -469082430, now seen corresponding path program 1 times [2020-04-17 22:13:01,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:01,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129238712] [2020-04-17 22:13:01,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:01,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129238712] [2020-04-17 22:13:01,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:01,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 22:13:01,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213661808] [2020-04-17 22:13:01,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-17 22:13:01,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:01,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-17 22:13:01,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-17 22:13:01,560 INFO L87 Difference]: Start difference. First operand 162 states and 369 transitions. Second operand 6 states. [2020-04-17 22:13:01,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:01,629 INFO L93 Difference]: Finished difference Result 158 states and 337 transitions. [2020-04-17 22:13:01,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-17 22:13:01,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-04-17 22:13:01,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:01,632 INFO L225 Difference]: With dead ends: 158 [2020-04-17 22:13:01,632 INFO L226 Difference]: Without dead ends: 125 [2020-04-17 22:13:01,633 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-04-17 22:13:01,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-04-17 22:13:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-04-17 22:13:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-04-17 22:13:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-04-17 22:13:01,638 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 16 [2020-04-17 22:13:01,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:01,640 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-04-17 22:13:01,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-17 22:13:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-04-17 22:13:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-17 22:13:01,642 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:01,642 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:01,643 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:01,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:01,643 INFO L82 PathProgramCache]: Analyzing trace with hash 483879941, now seen corresponding path program 1 times [2020-04-17 22:13:01,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:01,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528314228] [2020-04-17 22:13:01,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:01,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528314228] [2020-04-17 22:13:01,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:01,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-17 22:13:01,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613514269] [2020-04-17 22:13:01,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-17 22:13:01,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:01,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-17 22:13:01,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-17 22:13:01,748 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 7 states. [2020-04-17 22:13:01,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:01,831 INFO L93 Difference]: Finished difference Result 120 states and 253 transitions. [2020-04-17 22:13:01,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-04-17 22:13:01,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-04-17 22:13:01,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:01,832 INFO L225 Difference]: With dead ends: 120 [2020-04-17 22:13:01,832 INFO L226 Difference]: Without dead ends: 71 [2020-04-17 22:13:01,833 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-04-17 22:13:01,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-04-17 22:13:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-04-17 22:13:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-04-17 22:13:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-04-17 22:13:01,836 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 18 [2020-04-17 22:13:01,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:01,837 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-04-17 22:13:01,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-17 22:13:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-04-17 22:13:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-17 22:13:01,838 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:13:01,838 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:13:01,838 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:13:01,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:13:01,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1087350585, now seen corresponding path program 1 times [2020-04-17 22:13:01,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:13:01,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840340756] [2020-04-17 22:13:01,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:13:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:13:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:13:01,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840340756] [2020-04-17 22:13:01,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:13:01,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:13:01,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810625732] [2020-04-17 22:13:01,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 22:13:01,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:13:01,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 22:13:01,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:13:01,873 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-04-17 22:13:01,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:13:01,885 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-04-17 22:13:01,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 22:13:01,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-04-17 22:13:01,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:13:01,886 INFO L225 Difference]: With dead ends: 70 [2020-04-17 22:13:01,886 INFO L226 Difference]: Without dead ends: 0 [2020-04-17 22:13:01,886 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:13:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-17 22:13:01,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-17 22:13:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-17 22:13:01,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-17 22:13:01,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-04-17 22:13:01,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:13:01,888 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-17 22:13:01,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 22:13:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-17 22:13:01,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-17 22:13:01,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 10:13:01 BasicIcfg [2020-04-17 22:13:01,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 22:13:01,894 INFO L168 Benchmark]: Toolchain (without parser) took 5928.13 ms. Allocated memory was 146.3 MB in the beginning and 275.3 MB in the end (delta: 129.0 MB). Free memory was 102.4 MB in the beginning and 176.7 MB in the end (delta: -74.4 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2020-04-17 22:13:01,895 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-04-17 22:13:01,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.01 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.3 MB in the beginning and 160.1 MB in the end (delta: -59.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-04-17 22:13:01,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.29 ms. Allocated memory is still 203.9 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-17 22:13:01,897 INFO L168 Benchmark]: Boogie Preprocessor took 29.14 ms. Allocated memory is still 203.9 MB. Free memory was 158.1 MB in the beginning and 156.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-17 22:13:01,898 INFO L168 Benchmark]: RCFGBuilder took 526.46 ms. Allocated memory is still 203.9 MB. Free memory was 156.2 MB in the beginning and 132.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-04-17 22:13:01,899 INFO L168 Benchmark]: TraceAbstraction took 4560.26 ms. Allocated memory was 203.9 MB in the beginning and 275.3 MB in the end (delta: 71.3 MB). Free memory was 132.5 MB in the beginning and 176.7 MB in the end (delta: -44.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-04-17 22:13:01,903 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.01 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.3 MB in the beginning and 160.1 MB in the end (delta: -59.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 68.29 ms. Allocated memory is still 203.9 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.14 ms. Allocated memory is still 203.9 MB. Free memory was 158.1 MB in the beginning and 156.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 526.46 ms. Allocated memory is still 203.9 MB. Free memory was 156.2 MB in the beginning and 132.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4560.26 ms. Allocated memory was 203.9 MB in the beginning and 275.3 MB in the end (delta: 71.3 MB). Free memory was 132.5 MB in the beginning and 176.7 MB in the end (delta: -44.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.3s, 92 ProgramPointsBefore, 38 ProgramPointsAfterwards, 81 TransitionsBefore, 25 TransitionsAfterwards, 1822 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 951 VarBasedMoverChecksPositive, 45 VarBasedMoverChecksNegative, 25 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 3093 CheckedPairsTotal, 65 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 214 SDtfs, 237 SDslu, 324 SDs, 0 SdLazy, 185 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 5419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 correct! Received shutdown request...