/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 14:48:17,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 14:48:17,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 14:48:17,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 14:48:17,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 14:48:17,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 14:48:17,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 14:48:17,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 14:48:17,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 14:48:17,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 14:48:17,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 14:48:17,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 14:48:17,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 14:48:17,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 14:48:17,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 14:48:17,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 14:48:17,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 14:48:17,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 14:48:17,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 14:48:17,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 14:48:17,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 14:48:17,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 14:48:17,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 14:48:17,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 14:48:17,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 14:48:17,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 14:48:17,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 14:48:17,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 14:48:17,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 14:48:17,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 14:48:17,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 14:48:17,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 14:48:17,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 14:48:17,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 14:48:17,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 14:48:17,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 14:48:17,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 14:48:17,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 14:48:17,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 14:48:17,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 14:48:17,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 14:48:17,458 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 14:48:17,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 14:48:17,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 14:48:17,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 14:48:17,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 14:48:17,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 14:48:17,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 14:48:17,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 14:48:17,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 14:48:17,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 14:48:17,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 14:48:17,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 14:48:17,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 14:48:17,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 14:48:17,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 14:48:17,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 14:48:17,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 14:48:17,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 14:48:17,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 14:48:17,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 14:48:17,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 14:48:17,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 14:48:17,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 14:48:17,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 14:48:17,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 14:48:17,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 14:48:17,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 14:48:17,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 14:48:17,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 14:48:17,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 14:48:17,820 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 14:48:17,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i [2019-12-18 14:48:17,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb721e22d/10871b0f4462494bb857fb9d98d369b4/FLAG8292a7e51 [2019-12-18 14:48:18,405 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 14:48:18,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i [2019-12-18 14:48:18,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb721e22d/10871b0f4462494bb857fb9d98d369b4/FLAG8292a7e51 [2019-12-18 14:48:18,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb721e22d/10871b0f4462494bb857fb9d98d369b4 [2019-12-18 14:48:18,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 14:48:18,767 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 14:48:18,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 14:48:18,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 14:48:18,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 14:48:18,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:48:18" (1/1) ... [2019-12-18 14:48:18,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac36716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:18, skipping insertion in model container [2019-12-18 14:48:18,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:48:18" (1/1) ... [2019-12-18 14:48:18,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 14:48:18,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 14:48:19,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:48:19,374 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 14:48:19,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:48:19,519 INFO L208 MainTranslator]: Completed translation [2019-12-18 14:48:19,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19 WrapperNode [2019-12-18 14:48:19,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 14:48:19,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 14:48:19,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 14:48:19,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 14:48:19,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 14:48:19,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 14:48:19,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 14:48:19,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 14:48:19,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (1/1) ... [2019-12-18 14:48:19,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 14:48:19,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 14:48:19,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 14:48:19,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 14:48:19,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (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 [2019-12-18 14:48:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 14:48:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 14:48:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 14:48:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 14:48:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 14:48:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 14:48:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 14:48:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 14:48:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 14:48:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 14:48:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 14:48:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 14:48:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 14:48:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 14:48:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 14:48:19,694 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 14:48:20,151 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 14:48:20,151 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 14:48:20,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:48:20 BoogieIcfgContainer [2019-12-18 14:48:20,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 14:48:20,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 14:48:20,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 14:48:20,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 14:48:20,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:48:18" (1/3) ... [2019-12-18 14:48:20,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e339e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:48:20, skipping insertion in model container [2019-12-18 14:48:20,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:48:19" (2/3) ... [2019-12-18 14:48:20,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e339e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:48:20, skipping insertion in model container [2019-12-18 14:48:20,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:48:20" (3/3) ... [2019-12-18 14:48:20,161 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_pso.opt.i [2019-12-18 14:48:20,172 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 14:48:20,172 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 14:48:20,180 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 14:48:20,181 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 14:48:20,211 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,211 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,212 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,212 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,213 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,213 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,213 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,214 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,214 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,214 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,214 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,215 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,215 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,215 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,216 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,216 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,216 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,217 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,217 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,217 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,217 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,218 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,218 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,218 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,223 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,223 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,223 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,223 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,233 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,233 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,233 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,234 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,237 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,237 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,238 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,238 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,244 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,245 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,245 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,245 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:48:20,259 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 14:48:20,281 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 14:48:20,281 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 14:48:20,281 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 14:48:20,281 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 14:48:20,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 14:48:20,282 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 14:48:20,282 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 14:48:20,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 14:48:20,297 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 64 transitions [2019-12-18 14:48:20,299 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-18 14:48:20,344 INFO L126 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-18 14:48:20,344 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:48:20,354 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 12/70 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 14:48:20,360 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-18 14:48:20,383 INFO L126 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-18 14:48:20,383 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:48:20,385 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 12/70 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 14:48:20,387 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 14:48:20,388 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 14:48:22,175 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-12-18 14:48:22,256 INFO L206 etLargeBlockEncoding]: Checked pairs total: 721 [2019-12-18 14:48:22,257 INFO L214 etLargeBlockEncoding]: Total number of compositions: 48 [2019-12-18 14:48:22,261 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-18 14:48:22,278 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-18 14:48:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-18 14:48:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 14:48:22,291 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:48:22,292 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:48:22,292 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:48:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:48:22,301 INFO L82 PathProgramCache]: Analyzing trace with hash -989464989, now seen corresponding path program 1 times [2019-12-18 14:48:22,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:48:22,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830585058] [2019-12-18 14:48:22,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:48:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:48:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:48:22,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830585058] [2019-12-18 14:48:22,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:48:22,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 14:48:22,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785935091] [2019-12-18 14:48:22,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:48:22,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:48:22,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:48:22,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:48:22,659 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-18 14:48:22,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:48:22,690 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-18 14:48:22,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:48:22,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 14:48:22,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:48:22,705 INFO L225 Difference]: With dead ends: 86 [2019-12-18 14:48:22,705 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 14:48:22,707 INFO L631 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 [2019-12-18 14:48:22,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 14:48:22,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 14:48:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 14:48:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 14:48:22,753 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 14:48:22,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:48:22,754 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 14:48:22,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:48:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 14:48:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 14:48:22,756 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:48:22,756 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:48:22,756 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:48:22,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:48:22,757 INFO L82 PathProgramCache]: Analyzing trace with hash -609272234, now seen corresponding path program 1 times [2019-12-18 14:48:22,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:48:22,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902210454] [2019-12-18 14:48:22,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:48:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:48:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:48:22,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902210454] [2019-12-18 14:48:22,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:48:22,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 14:48:22,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924413878] [2019-12-18 14:48:22,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:48:22,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:48:22,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:48:22,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:48:22,839 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 3 states. [2019-12-18 14:48:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:48:22,850 INFO L93 Difference]: Finished difference Result 66 states and 152 transitions. [2019-12-18 14:48:22,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:48:22,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-18 14:48:22,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:48:22,854 INFO L225 Difference]: With dead ends: 66 [2019-12-18 14:48:22,854 INFO L226 Difference]: Without dead ends: 66 [2019-12-18 14:48:22,856 INFO L631 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 [2019-12-18 14:48:22,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-12-18 14:48:22,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-12-18 14:48:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-18 14:48:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 152 transitions. [2019-12-18 14:48:22,872 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 152 transitions. Word has length 11 [2019-12-18 14:48:22,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:48:22,873 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 152 transitions. [2019-12-18 14:48:22,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:48:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 152 transitions. [2019-12-18 14:48:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 14:48:22,876 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:48:22,877 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:48:22,877 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:48:22,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:48:22,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1933083520, now seen corresponding path program 1 times [2019-12-18 14:48:22,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:48:22,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664137622] [2019-12-18 14:48:22,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:48:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:48:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:48:22,939 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664137622] [2019-12-18 14:48:22,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:48:22,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:48:22,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72348105] [2019-12-18 14:48:22,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:48:22,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:48:22,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:48:22,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:48:22,942 INFO L87 Difference]: Start difference. First operand 66 states and 152 transitions. Second operand 4 states. [2019-12-18 14:48:22,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:48:22,970 INFO L93 Difference]: Finished difference Result 82 states and 178 transitions. [2019-12-18 14:48:22,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:48:22,971 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 14:48:22,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:48:22,972 INFO L225 Difference]: With dead ends: 82 [2019-12-18 14:48:22,972 INFO L226 Difference]: Without dead ends: 52 [2019-12-18 14:48:22,972 INFO L631 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 [2019-12-18 14:48:22,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-18 14:48:22,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-18 14:48:22,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-18 14:48:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 108 transitions. [2019-12-18 14:48:22,979 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 108 transitions. Word has length 12 [2019-12-18 14:48:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:48:22,979 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 108 transitions. [2019-12-18 14:48:22,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:48:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2019-12-18 14:48:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 14:48:22,980 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:48:22,980 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:48:22,981 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:48:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:48:22,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1709122238, now seen corresponding path program 2 times [2019-12-18 14:48:22,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:48:22,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903323973] [2019-12-18 14:48:22,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:48:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:48:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:48:23,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903323973] [2019-12-18 14:48:23,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:48:23,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:48:23,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628508033] [2019-12-18 14:48:23,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:48:23,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:48:23,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:48:23,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:48:23,066 INFO L87 Difference]: Start difference. First operand 52 states and 108 transitions. Second operand 4 states. [2019-12-18 14:48:23,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:48:23,091 INFO L93 Difference]: Finished difference Result 66 states and 123 transitions. [2019-12-18 14:48:23,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 14:48:23,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 14:48:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:48:23,093 INFO L225 Difference]: With dead ends: 66 [2019-12-18 14:48:23,093 INFO L226 Difference]: Without dead ends: 34 [2019-12-18 14:48:23,094 INFO L631 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 [2019-12-18 14:48:23,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-18 14:48:23,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-18 14:48:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-18 14:48:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2019-12-18 14:48:23,099 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 12 [2019-12-18 14:48:23,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:48:23,099 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2019-12-18 14:48:23,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:48:23,099 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2019-12-18 14:48:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 14:48:23,100 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:48:23,100 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:48:23,100 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:48:23,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:48:23,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1395075125, now seen corresponding path program 1 times [2019-12-18 14:48:23,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:48:23,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152969031] [2019-12-18 14:48:23,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:48:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:48:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:48:23,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152969031] [2019-12-18 14:48:23,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:48:23,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:48:23,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456940530] [2019-12-18 14:48:23,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:48:23,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:48:23,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:48:23,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:48:23,148 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 4 states. [2019-12-18 14:48:23,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:48:23,167 INFO L93 Difference]: Finished difference Result 41 states and 64 transitions. [2019-12-18 14:48:23,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:48:23,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-18 14:48:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:48:23,169 INFO L225 Difference]: With dead ends: 41 [2019-12-18 14:48:23,169 INFO L226 Difference]: Without dead ends: 25 [2019-12-18 14:48:23,169 INFO L631 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 [2019-12-18 14:48:23,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-18 14:48:23,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-18 14:48:23,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-18 14:48:23,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-18 14:48:23,172 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 13 [2019-12-18 14:48:23,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:48:23,172 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-18 14:48:23,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:48:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-18 14:48:23,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 14:48:23,173 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:48:23,174 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:48:23,174 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:48:23,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:48:23,174 INFO L82 PathProgramCache]: Analyzing trace with hash -534290396, now seen corresponding path program 1 times [2019-12-18 14:48:23,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:48:23,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717270246] [2019-12-18 14:48:23,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:48:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:48:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:48:23,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717270246] [2019-12-18 14:48:23,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:48:23,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:48:23,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251307147] [2019-12-18 14:48:23,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:48:23,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:48:23,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:48:23,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:48:23,216 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-18 14:48:23,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:48:23,234 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-18 14:48:23,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:48:23,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 14:48:23,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:48:23,235 INFO L225 Difference]: With dead ends: 24 [2019-12-18 14:48:23,235 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 14:48:23,235 INFO L631 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 [2019-12-18 14:48:23,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 14:48:23,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 14:48:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 14:48:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 14:48:23,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 14:48:23,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:48:23,236 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 14:48:23,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:48:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 14:48:23,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 14:48:23,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 02:48:23 BasicIcfg [2019-12-18 14:48:23,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 14:48:23,243 INFO L168 Benchmark]: Toolchain (without parser) took 4475.90 ms. Allocated memory was 145.2 MB in the beginning and 245.9 MB in the end (delta: 100.7 MB). Free memory was 102.0 MB in the beginning and 101.2 MB in the end (delta: 827.5 kB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2019-12-18 14:48:23,243 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 145.2 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 14:48:23,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.42 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 159.3 MB in the end (delta: -57.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-12-18 14:48:23,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.42 ms. Allocated memory is still 202.9 MB. Free memory was 159.3 MB in the beginning and 157.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 14:48:23,246 INFO L168 Benchmark]: Boogie Preprocessor took 31.17 ms. Allocated memory is still 202.9 MB. Free memory was 157.3 MB in the beginning and 155.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 14:48:23,247 INFO L168 Benchmark]: RCFGBuilder took 546.76 ms. Allocated memory is still 202.9 MB. Free memory was 155.4 MB in the beginning and 133.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-12-18 14:48:23,248 INFO L168 Benchmark]: TraceAbstraction took 3086.75 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 132.9 MB in the beginning and 101.2 MB in the end (delta: 31.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2019-12-18 14:48:23,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 145.2 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.42 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 159.3 MB in the end (delta: -57.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.42 ms. Allocated memory is still 202.9 MB. Free memory was 159.3 MB in the beginning and 157.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.17 ms. Allocated memory is still 202.9 MB. Free memory was 157.3 MB in the beginning and 155.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 546.76 ms. Allocated memory is still 202.9 MB. Free memory was 155.4 MB in the beginning and 133.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3086.75 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 132.9 MB in the beginning and 101.2 MB in the end (delta: 31.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 76 ProgramPointsBefore, 27 ProgramPointsAfterwards, 64 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 354 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 16 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 721 CheckedPairsTotal, 48 TotalNumberOfCompositions - PositiveResult [Line: 4]: 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, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 93 SDtfs, 42 SDslu, 89 SDs, 0 SdLazy, 36 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...