/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 02:28:35,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 02:28:35,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 02:28:35,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 02:28:35,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 02:28:35,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 02:28:35,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 02:28:35,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 02:28:35,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 02:28:35,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 02:28:35,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 02:28:35,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 02:28:35,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 02:28:35,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 02:28:35,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 02:28:35,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 02:28:35,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 02:28:35,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 02:28:35,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 02:28:35,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 02:28:35,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 02:28:35,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 02:28:35,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 02:28:35,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 02:28:35,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 02:28:35,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 02:28:35,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 02:28:35,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 02:28:35,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 02:28:35,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 02:28:35,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 02:28:35,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 02:28:35,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 02:28:35,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 02:28:35,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 02:28:35,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 02:28:35,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 02:28:35,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 02:28:35,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 02:28:35,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 02:28:35,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 02:28:35,467 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-VariableLbe.epf [2020-04-18 02:28:35,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 02:28:35,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 02:28:35,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 02:28:35,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 02:28:35,495 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 02:28:35,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 02:28:35,496 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 02:28:35,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 02:28:35,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 02:28:35,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 02:28:35,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 02:28:35,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 02:28:35,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 02:28:35,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 02:28:35,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 02:28:35,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 02:28:35,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 02:28:35,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 02:28:35,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 02:28:35,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 02:28:35,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 02:28:35,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:28:35,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 02:28:35,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 02:28:35,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 02:28:35,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 02:28:35,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 02:28:35,500 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 02:28:35,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 02:28:35,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 02:28:35,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 02:28:35,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 02:28:35,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 02:28:35,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 02:28:35,782 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 02:28:35,783 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i [2020-04-18 02:28:35,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb73f2f5/962f705a2c1047cb9de5a74eac9e010a/FLAG1e1b073c9 [2020-04-18 02:28:36,445 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 02:28:36,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i [2020-04-18 02:28:36,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb73f2f5/962f705a2c1047cb9de5a74eac9e010a/FLAG1e1b073c9 [2020-04-18 02:28:36,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb73f2f5/962f705a2c1047cb9de5a74eac9e010a [2020-04-18 02:28:36,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 02:28:36,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 02:28:36,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 02:28:36,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 02:28:36,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 02:28:36,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:28:36" (1/1) ... [2020-04-18 02:28:36,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52695b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:36, skipping insertion in model container [2020-04-18 02:28:36,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:28:36" (1/1) ... [2020-04-18 02:28:36,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 02:28:36,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 02:28:37,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:28:37,291 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 02:28:37,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:28:37,435 INFO L208 MainTranslator]: Completed translation [2020-04-18 02:28:37,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37 WrapperNode [2020-04-18 02:28:37,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 02:28:37,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 02:28:37,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 02:28:37,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 02:28:37,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 02:28:37,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 02:28:37,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 02:28:37,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 02:28:37,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (1/1) ... [2020-04-18 02:28:37,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 02:28:37,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 02:28:37,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 02:28:37,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 02:28:37,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (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 [2020-04-18 02:28:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 02:28:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 02:28:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 02:28:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 02:28:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 02:28:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 02:28:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 02:28:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 02:28:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-18 02:28:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-18 02:28:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-04-18 02:28:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-04-18 02:28:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 02:28:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 02:28:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 02:28:37,601 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 02:28:38,050 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 02:28:38,051 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 02:28:38,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:28:38 BoogieIcfgContainer [2020-04-18 02:28:38,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 02:28:38,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 02:28:38,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 02:28:38,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 02:28:38,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:28:36" (1/3) ... [2020-04-18 02:28:38,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ba2f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:28:38, skipping insertion in model container [2020-04-18 02:28:38,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:37" (2/3) ... [2020-04-18 02:28:38,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ba2f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:28:38, skipping insertion in model container [2020-04-18 02:28:38,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:28:38" (3/3) ... [2020-04-18 02:28:38,070 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_pso.opt.i [2020-04-18 02:28:38,079 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 02:28:38,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 02:28:38,086 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 02:28:38,087 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 02:28:38,114 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,115 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,115 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,115 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,116 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,116 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,116 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,116 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,117 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,117 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,117 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,117 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,118 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,118 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,119 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,119 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,119 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,120 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,120 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,120 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,120 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,121 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,121 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,121 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,125 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,125 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,125 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,126 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,138 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,138 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,138 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,138 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,140 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,141 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,141 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,141 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,150 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,150 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,150 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,151 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:38,170 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 02:28:38,194 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 02:28:38,194 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 02:28:38,194 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 02:28:38,195 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 02:28:38,195 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 02:28:38,195 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 02:28:38,195 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 02:28:38,195 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 02:28:38,219 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 81 transitions, 182 flow [2020-04-18 02:28:38,221 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-04-18 02:28:38,306 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-04-18 02:28:38,307 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:28:38,315 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. [2020-04-18 02:28:38,323 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-04-18 02:28:38,367 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-04-18 02:28:38,368 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:28:38,369 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. [2020-04-18 02:28:38,374 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1822 [2020-04-18 02:28:38,375 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 02:28:40,191 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3093 [2020-04-18 02:28:40,191 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2020-04-18 02:28:40,195 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 25 transitions, 70 flow [2020-04-18 02:28:40,250 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-04-18 02:28:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-04-18 02:28:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 02:28:40,265 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:40,266 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:40,266 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:40,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:40,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2005095105, now seen corresponding path program 1 times [2020-04-18 02:28:40,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:40,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81961928] [2020-04-18 02:28:40,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:40,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81961928] [2020-04-18 02:28:40,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:40,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 02:28:40,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271843102] [2020-04-18 02:28:40,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:28:40,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:40,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:28:40,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:28:40,535 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-04-18 02:28:40,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:40,607 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-04-18 02:28:40,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:28:40,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-04-18 02:28:40,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:40,633 INFO L225 Difference]: With dead ends: 670 [2020-04-18 02:28:40,633 INFO L226 Difference]: Without dead ends: 526 [2020-04-18 02:28:40,635 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 [2020-04-18 02:28:40,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-04-18 02:28:40,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-04-18 02:28:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-04-18 02:28:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-04-18 02:28:40,736 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-04-18 02:28:40,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:40,737 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-04-18 02:28:40,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:28:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-04-18 02:28:40,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 02:28:40,740 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:40,741 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:40,741 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:40,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:40,741 INFO L82 PathProgramCache]: Analyzing trace with hash -2027540211, now seen corresponding path program 1 times [2020-04-18 02:28:40,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:40,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279352612] [2020-04-18 02:28:40,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:40,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279352612] [2020-04-18 02:28:40,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:40,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:28:40,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671005866] [2020-04-18 02:28:40,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:40,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:40,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:40,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:40,860 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-04-18 02:28:40,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:40,907 INFO L93 Difference]: Finished difference Result 724 states and 2331 transitions. [2020-04-18 02:28:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:28:40,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-04-18 02:28:40,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:40,913 INFO L225 Difference]: With dead ends: 724 [2020-04-18 02:28:40,913 INFO L226 Difference]: Without dead ends: 412 [2020-04-18 02:28:40,914 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 [2020-04-18 02:28:40,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-04-18 02:28:40,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2020-04-18 02:28:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-04-18 02:28:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1323 transitions. [2020-04-18 02:28:40,939 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1323 transitions. Word has length 11 [2020-04-18 02:28:40,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:40,939 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 1323 transitions. [2020-04-18 02:28:40,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1323 transitions. [2020-04-18 02:28:40,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 02:28:40,942 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:40,942 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:40,942 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:40,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:40,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1543893440, now seen corresponding path program 1 times [2020-04-18 02:28:40,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:40,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695063200] [2020-04-18 02:28:40,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:41,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:41,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695063200] [2020-04-18 02:28:41,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:41,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 02:28:41,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383300475] [2020-04-18 02:28:41,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:28:41,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:41,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:28:41,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:28:41,041 INFO L87 Difference]: Start difference. First operand 412 states and 1323 transitions. Second operand 3 states. [2020-04-18 02:28:41,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:41,054 INFO L93 Difference]: Finished difference Result 394 states and 1254 transitions. [2020-04-18 02:28:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:28:41,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-04-18 02:28:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:41,077 INFO L225 Difference]: With dead ends: 394 [2020-04-18 02:28:41,077 INFO L226 Difference]: Without dead ends: 394 [2020-04-18 02:28:41,078 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 [2020-04-18 02:28:41,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-04-18 02:28:41,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-04-18 02:28:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-04-18 02:28:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1254 transitions. [2020-04-18 02:28:41,093 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1254 transitions. Word has length 12 [2020-04-18 02:28:41,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:41,093 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 1254 transitions. [2020-04-18 02:28:41,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:28:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1254 transitions. [2020-04-18 02:28:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 02:28:41,096 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:41,096 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:41,096 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:41,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:41,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1381595750, now seen corresponding path program 1 times [2020-04-18 02:28:41,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:41,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257103580] [2020-04-18 02:28:41,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:41,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:41,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257103580] [2020-04-18 02:28:41,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:41,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:28:41,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884309501] [2020-04-18 02:28:41,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:41,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:41,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:41,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:41,136 INFO L87 Difference]: Start difference. First operand 394 states and 1254 transitions. Second operand 4 states. [2020-04-18 02:28:41,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:41,174 INFO L93 Difference]: Finished difference Result 652 states and 1957 transitions. [2020-04-18 02:28:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:28:41,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-04-18 02:28:41,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:41,177 INFO L225 Difference]: With dead ends: 652 [2020-04-18 02:28:41,177 INFO L226 Difference]: Without dead ends: 340 [2020-04-18 02:28:41,178 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 [2020-04-18 02:28:41,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-04-18 02:28:41,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 304. [2020-04-18 02:28:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-04-18 02:28:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 891 transitions. [2020-04-18 02:28:41,190 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 891 transitions. Word has length 13 [2020-04-18 02:28:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:41,190 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 891 transitions. [2020-04-18 02:28:41,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 891 transitions. [2020-04-18 02:28:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 02:28:41,192 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:41,192 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:41,192 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:41,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:41,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1391724752, now seen corresponding path program 1 times [2020-04-18 02:28:41,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:41,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977948055] [2020-04-18 02:28:41,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:41,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977948055] [2020-04-18 02:28:41,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:41,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:28:41,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427697640] [2020-04-18 02:28:41,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:41,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:41,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:41,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:41,251 INFO L87 Difference]: Start difference. First operand 304 states and 891 transitions. Second operand 4 states. [2020-04-18 02:28:41,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:41,278 INFO L93 Difference]: Finished difference Result 406 states and 1128 transitions. [2020-04-18 02:28:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:28:41,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-04-18 02:28:41,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:41,281 INFO L225 Difference]: With dead ends: 406 [2020-04-18 02:28:41,281 INFO L226 Difference]: Without dead ends: 226 [2020-04-18 02:28:41,282 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 [2020-04-18 02:28:41,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-04-18 02:28:41,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-04-18 02:28:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-04-18 02:28:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 619 transitions. [2020-04-18 02:28:41,289 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 619 transitions. Word has length 13 [2020-04-18 02:28:41,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:41,290 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 619 transitions. [2020-04-18 02:28:41,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 619 transitions. [2020-04-18 02:28:41,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 02:28:41,291 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:41,291 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:41,291 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:41,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:41,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1162350155, now seen corresponding path program 1 times [2020-04-18 02:28:41,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:41,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806733318] [2020-04-18 02:28:41,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:41,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806733318] [2020-04-18 02:28:41,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:41,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:28:41,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701114693] [2020-04-18 02:28:41,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:41,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:41,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:41,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:41,361 INFO L87 Difference]: Start difference. First operand 226 states and 619 transitions. Second operand 4 states. [2020-04-18 02:28:41,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:41,449 INFO L93 Difference]: Finished difference Result 287 states and 728 transitions. [2020-04-18 02:28:41,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:28:41,452 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-04-18 02:28:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:41,454 INFO L225 Difference]: With dead ends: 287 [2020-04-18 02:28:41,454 INFO L226 Difference]: Without dead ends: 206 [2020-04-18 02:28:41,455 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 [2020-04-18 02:28:41,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-04-18 02:28:41,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-04-18 02:28:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-04-18 02:28:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 530 transitions. [2020-04-18 02:28:41,462 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 530 transitions. Word has length 14 [2020-04-18 02:28:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:41,463 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 530 transitions. [2020-04-18 02:28:41,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 530 transitions. [2020-04-18 02:28:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-18 02:28:41,464 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:41,464 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:41,465 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:41,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1647463604, now seen corresponding path program 1 times [2020-04-18 02:28:41,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:41,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927235139] [2020-04-18 02:28:41,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:41,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927235139] [2020-04-18 02:28:41,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:41,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:28:41,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923949056] [2020-04-18 02:28:41,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:28:41,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:41,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:28:41,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:28:41,553 INFO L87 Difference]: Start difference. First operand 206 states and 530 transitions. Second operand 5 states. [2020-04-18 02:28:41,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:41,618 INFO L93 Difference]: Finished difference Result 227 states and 530 transitions. [2020-04-18 02:28:41,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 02:28:41,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-04-18 02:28:41,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:41,621 INFO L225 Difference]: With dead ends: 227 [2020-04-18 02:28:41,622 INFO L226 Difference]: Without dead ends: 162 [2020-04-18 02:28:41,623 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 [2020-04-18 02:28:41,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-04-18 02:28:41,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-04-18 02:28:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-04-18 02:28:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 369 transitions. [2020-04-18 02:28:41,629 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 369 transitions. Word has length 15 [2020-04-18 02:28:41,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:41,630 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 369 transitions. [2020-04-18 02:28:41,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:28:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 369 transitions. [2020-04-18 02:28:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-18 02:28:41,631 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:41,631 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:41,632 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:41,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:41,632 INFO L82 PathProgramCache]: Analyzing trace with hash -469082430, now seen corresponding path program 1 times [2020-04-18 02:28:41,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:41,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027696522] [2020-04-18 02:28:41,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:41,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027696522] [2020-04-18 02:28:41,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:41,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:28:41,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368492564] [2020-04-18 02:28:41,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 02:28:41,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:41,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 02:28:41,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-18 02:28:41,759 INFO L87 Difference]: Start difference. First operand 162 states and 369 transitions. Second operand 6 states. [2020-04-18 02:28:41,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:41,855 INFO L93 Difference]: Finished difference Result 158 states and 337 transitions. [2020-04-18 02:28:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 02:28:41,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-04-18 02:28:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:41,857 INFO L225 Difference]: With dead ends: 158 [2020-04-18 02:28:41,857 INFO L226 Difference]: Without dead ends: 125 [2020-04-18 02:28:41,859 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 [2020-04-18 02:28:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-04-18 02:28:41,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-04-18 02:28:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-04-18 02:28:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-04-18 02:28:41,867 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 16 [2020-04-18 02:28:41,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:41,869 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-04-18 02:28:41,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 02:28:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-04-18 02:28:41,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 02:28:41,876 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:41,876 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:41,877 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:41,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:41,881 INFO L82 PathProgramCache]: Analyzing trace with hash 483879941, now seen corresponding path program 1 times [2020-04-18 02:28:41,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:41,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386242781] [2020-04-18 02:28:41,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:41,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386242781] [2020-04-18 02:28:41,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:41,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 02:28:41,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941875627] [2020-04-18 02:28:41,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 02:28:41,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:41,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 02:28:41,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-18 02:28:41,976 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 7 states. [2020-04-18 02:28:42,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:42,043 INFO L93 Difference]: Finished difference Result 120 states and 253 transitions. [2020-04-18 02:28:42,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-04-18 02:28:42,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-04-18 02:28:42,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:42,044 INFO L225 Difference]: With dead ends: 120 [2020-04-18 02:28:42,044 INFO L226 Difference]: Without dead ends: 71 [2020-04-18 02:28:42,044 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 [2020-04-18 02:28:42,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-04-18 02:28:42,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-04-18 02:28:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-04-18 02:28:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-04-18 02:28:42,047 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 18 [2020-04-18 02:28:42,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:42,048 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-04-18 02:28:42,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 02:28:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-04-18 02:28:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 02:28:42,048 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:42,049 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] [2020-04-18 02:28:42,049 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:42,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:42,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1087350585, now seen corresponding path program 1 times [2020-04-18 02:28:42,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:42,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28407073] [2020-04-18 02:28:42,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:42,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28407073] [2020-04-18 02:28:42,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:42,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:28:42,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234990551] [2020-04-18 02:28:42,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:42,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:42,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:42,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:42,101 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-04-18 02:28:42,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:42,115 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-04-18 02:28:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:28:42,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-04-18 02:28:42,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:42,116 INFO L225 Difference]: With dead ends: 70 [2020-04-18 02:28:42,116 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 02:28:42,117 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 [2020-04-18 02:28:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 02:28:42,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 02:28:42,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 02:28:42,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 02:28:42,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-04-18 02:28:42,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:42,118 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 02:28:42,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 02:28:42,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 02:28:42,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:28:42 BasicIcfg [2020-04-18 02:28:42,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 02:28:42,128 INFO L168 Benchmark]: Toolchain (without parser) took 5422.41 ms. Allocated memory was 138.9 MB in the beginning and 246.4 MB in the end (delta: 107.5 MB). Free memory was 102.2 MB in the beginning and 89.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 120.6 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:42,129 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-04-18 02:28:42,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.18 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 160.7 MB in the end (delta: -60.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:42,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.80 ms. Allocated memory is still 203.9 MB. Free memory was 160.7 MB in the beginning and 158.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:42,146 INFO L168 Benchmark]: Boogie Preprocessor took 35.09 ms. Allocated memory is still 203.9 MB. Free memory was 158.0 MB in the beginning and 156.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:42,147 INFO L168 Benchmark]: RCFGBuilder took 534.19 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 133.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:42,148 INFO L168 Benchmark]: TraceAbstraction took 4063.18 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 132.3 MB in the beginning and 89.1 MB in the end (delta: 43.2 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:42,152 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 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.18 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 160.7 MB in the end (delta: -60.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.80 ms. Allocated memory is still 203.9 MB. Free memory was 160.7 MB in the beginning and 158.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.09 ms. Allocated memory is still 203.9 MB. Free memory was 158.0 MB in the beginning and 156.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 534.19 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 133.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4063.18 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 132.3 MB in the beginning and 89.1 MB in the end (delta: 43.2 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 92 ProgramPointsBefore, 38 ProgramPointsAfterwards, 81 TransitionsBefore, 25 TransitionsAfterwards, 1822 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 944 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 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: 3.9s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 219 SDtfs, 238 SDslu, 326 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, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 5542 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...