/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/safe027_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 15:04:09,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 15:04:09,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 15:04:09,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 15:04:09,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 15:04:09,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 15:04:09,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 15:04:09,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 15:04:09,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 15:04:09,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 15:04:09,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 15:04:09,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 15:04:09,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 15:04:09,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 15:04:09,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 15:04:09,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 15:04:09,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 15:04:09,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 15:04:09,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 15:04:09,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 15:04:09,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 15:04:09,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 15:04:09,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 15:04:09,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 15:04:09,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 15:04:09,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 15:04:09,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 15:04:09,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 15:04:09,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 15:04:09,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 15:04:09,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 15:04:09,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 15:04:09,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 15:04:09,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 15:04:09,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 15:04:09,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 15:04:09,595 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 15:04:09,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 15:04:09,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 15:04:09,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 15:04:09,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 15:04:09,625 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 15:04:09,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 15:04:09,625 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 15:04:09,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 15:04:09,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 15:04:09,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 15:04:09,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 15:04:09,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 15:04:09,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 15:04:09,629 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 15:04:09,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 15:04:09,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 15:04:09,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 15:04:09,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 15:04:09,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 15:04:09,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 15:04:09,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 15:04:09,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 15:04:09,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 15:04:09,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 15:04:09,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 15:04:09,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 15:04:09,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 15:04:09,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 15:04:09,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 15:04:09,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 15:04:09,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 15:04:09,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 15:04:09,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 15:04:09,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 15:04:09,973 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 15:04:09,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2019-12-18 15:04:10,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1670406ba/d561d06ffb6348bead33f85c07f41360/FLAGac853288b [2019-12-18 15:04:10,621 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 15:04:10,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2019-12-18 15:04:10,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1670406ba/d561d06ffb6348bead33f85c07f41360/FLAGac853288b [2019-12-18 15:04:10,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1670406ba/d561d06ffb6348bead33f85c07f41360 [2019-12-18 15:04:10,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 15:04:10,957 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 15:04:10,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 15:04:10,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 15:04:10,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 15:04:10,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:04:10" (1/1) ... [2019-12-18 15:04:10,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396668ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:10, skipping insertion in model container [2019-12-18 15:04:10,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:04:10" (1/1) ... [2019-12-18 15:04:10,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 15:04:11,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 15:04:11,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:04:11,644 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 15:04:11,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:04:11,814 INFO L208 MainTranslator]: Completed translation [2019-12-18 15:04:11,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11 WrapperNode [2019-12-18 15:04:11,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 15:04:11,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 15:04:11,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 15:04:11,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 15:04:11,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 15:04:11,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 15:04:11,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 15:04:11,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 15:04:11,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (1/1) ... [2019-12-18 15:04:11,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 15:04:11,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 15:04:11,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 15:04:11,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 15:04:11,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (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 15:04:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 15:04:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 15:04:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 15:04:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 15:04:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 15:04:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 15:04:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 15:04:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 15:04:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 15:04:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 15:04:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 15:04:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 15:04:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 15:04:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 15:04:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 15:04:11,985 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 15:04:12,353 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 15:04:12,353 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 15:04:12,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:04:12 BoogieIcfgContainer [2019-12-18 15:04:12,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 15:04:12,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 15:04:12,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 15:04:12,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 15:04:12,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:04:10" (1/3) ... [2019-12-18 15:04:12,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c31138e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:04:12, skipping insertion in model container [2019-12-18 15:04:12,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:04:11" (2/3) ... [2019-12-18 15:04:12,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c31138e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:04:12, skipping insertion in model container [2019-12-18 15:04:12,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:04:12" (3/3) ... [2019-12-18 15:04:12,363 INFO L109 eAbstractionObserver]: Analyzing ICFG safe027_pso.opt.i [2019-12-18 15:04:12,372 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 15:04:12,373 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 15:04:12,379 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 15:04:12,380 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 15:04:12,408 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,409 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,409 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,409 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,412 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,412 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,412 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,413 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,413 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,413 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,413 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,414 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,414 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,414 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,414 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,415 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,415 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,415 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,416 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,416 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,416 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,416 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,417 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,417 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,421 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,421 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,421 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,422 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,426 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,426 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,427 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,427 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,429 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,429 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,430 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,430 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,434 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,435 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,435 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,435 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:04:12,449 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 15:04:12,469 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 15:04:12,470 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 15:04:12,470 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 15:04:12,470 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 15:04:12,470 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 15:04:12,470 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 15:04:12,470 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 15:04:12,471 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 15:04:12,484 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 65 transitions [2019-12-18 15:04:12,486 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 77 places, 65 transitions [2019-12-18 15:04:12,529 INFO L126 PetriNetUnfolder]: 1/61 cut-off events. [2019-12-18 15:04:12,529 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:04:12,537 INFO L76 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 12/71 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 15:04:12,541 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 77 places, 65 transitions [2019-12-18 15:04:12,561 INFO L126 PetriNetUnfolder]: 1/61 cut-off events. [2019-12-18 15:04:12,562 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:04:12,563 INFO L76 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 12/71 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 15:04:12,566 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 15:04:12,567 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 15:04:14,113 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-12-18 15:04:14,336 INFO L206 etLargeBlockEncoding]: Checked pairs total: 687 [2019-12-18 15:04:14,336 INFO L214 etLargeBlockEncoding]: Total number of compositions: 54 [2019-12-18 15:04:14,339 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions [2019-12-18 15:04:14,364 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110 states. [2019-12-18 15:04:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2019-12-18 15:04:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 15:04:14,377 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:04:14,378 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:04:14,379 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:04:14,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:04:14,384 INFO L82 PathProgramCache]: Analyzing trace with hash -162708018, now seen corresponding path program 1 times [2019-12-18 15:04:14,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:04:14,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387227727] [2019-12-18 15:04:14,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:04:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:04:14,635 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 15:04:14,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387227727] [2019-12-18 15:04:14,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:04:14,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 15:04:14,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057329889] [2019-12-18 15:04:14,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:04:14,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:04:14,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:04:14,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:04:14,668 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2019-12-18 15:04:14,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:04:14,714 INFO L93 Difference]: Finished difference Result 102 states and 260 transitions. [2019-12-18 15:04:14,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:04:14,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 15:04:14,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:04:14,741 INFO L225 Difference]: With dead ends: 102 [2019-12-18 15:04:14,741 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 15:04:14,743 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 15:04:14,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 15:04:14,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 15:04:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 15:04:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 15:04:14,789 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 15:04:14,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:04:14,790 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 15:04:14,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:04:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 15:04:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 15:04:14,792 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:04:14,792 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:04:14,793 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:04:14,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:04:14,793 INFO L82 PathProgramCache]: Analyzing trace with hash -740821623, now seen corresponding path program 1 times [2019-12-18 15:04:14,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:04:14,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035784945] [2019-12-18 15:04:14,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:04:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:04:14,871 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 15:04:14,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035784945] [2019-12-18 15:04:14,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:04:14,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 15:04:14,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936004992] [2019-12-18 15:04:14,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 15:04:14,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:04:14,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 15:04:14,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 15:04:14,875 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-18 15:04:14,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:04:14,903 INFO L93 Difference]: Finished difference Result 78 states and 170 transitions. [2019-12-18 15:04:14,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 15:04:14,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 15:04:14,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:04:14,905 INFO L225 Difference]: With dead ends: 78 [2019-12-18 15:04:14,905 INFO L226 Difference]: Without dead ends: 54 [2019-12-18 15:04:14,906 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 15:04:14,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-18 15:04:14,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-18 15:04:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-18 15:04:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 110 transitions. [2019-12-18 15:04:14,913 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 110 transitions. Word has length 11 [2019-12-18 15:04:14,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:04:14,914 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 110 transitions. [2019-12-18 15:04:14,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 15:04:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 110 transitions. [2019-12-18 15:04:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 15:04:14,915 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:04:14,915 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:04:14,915 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:04:14,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:04:14,916 INFO L82 PathProgramCache]: Analyzing trace with hash -519872831, now seen corresponding path program 1 times [2019-12-18 15:04:14,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:04:14,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291647661] [2019-12-18 15:04:14,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:04:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:04:15,021 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 15:04:15,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291647661] [2019-12-18 15:04:15,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:04:15,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 15:04:15,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840456803] [2019-12-18 15:04:15,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:04:15,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:04:15,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:04:15,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:04:15,026 INFO L87 Difference]: Start difference. First operand 54 states and 110 transitions. Second operand 3 states. [2019-12-18 15:04:15,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:04:15,036 INFO L93 Difference]: Finished difference Result 52 states and 105 transitions. [2019-12-18 15:04:15,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:04:15,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 15:04:15,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:04:15,039 INFO L225 Difference]: With dead ends: 52 [2019-12-18 15:04:15,040 INFO L226 Difference]: Without dead ends: 52 [2019-12-18 15:04:15,040 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 15:04:15,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-18 15:04:15,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-18 15:04:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-18 15:04:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 105 transitions. [2019-12-18 15:04:15,047 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 105 transitions. Word has length 12 [2019-12-18 15:04:15,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:04:15,048 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 105 transitions. [2019-12-18 15:04:15,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:04:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2019-12-18 15:04:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 15:04:15,049 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:04:15,049 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:04:15,049 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:04:15,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:04:15,050 INFO L82 PathProgramCache]: Analyzing trace with hash -349293673, now seen corresponding path program 1 times [2019-12-18 15:04:15,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:04:15,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938937960] [2019-12-18 15:04:15,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:04:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:04:15,122 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 15:04:15,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938937960] [2019-12-18 15:04:15,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:04:15,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 15:04:15,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032311650] [2019-12-18 15:04:15,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 15:04:15,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:04:15,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 15:04:15,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 15:04:15,128 INFO L87 Difference]: Start difference. First operand 52 states and 105 transitions. Second operand 4 states. [2019-12-18 15:04:15,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:04:15,170 INFO L93 Difference]: Finished difference Result 57 states and 110 transitions. [2019-12-18 15:04:15,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 15:04:15,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-18 15:04:15,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:04:15,172 INFO L225 Difference]: With dead ends: 57 [2019-12-18 15:04:15,172 INFO L226 Difference]: Without dead ends: 33 [2019-12-18 15:04:15,173 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 15:04:15,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-18 15:04:15,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-18 15:04:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-18 15:04:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 54 transitions. [2019-12-18 15:04:15,183 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 54 transitions. Word has length 13 [2019-12-18 15:04:15,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:04:15,183 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 54 transitions. [2019-12-18 15:04:15,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 15:04:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2019-12-18 15:04:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 15:04:15,185 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:04:15,185 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:04:15,186 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:04:15,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:04:15,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1381593674, now seen corresponding path program 1 times [2019-12-18 15:04:15,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:04:15,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986661228] [2019-12-18 15:04:15,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:04:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:04:15,279 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 15:04:15,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986661228] [2019-12-18 15:04:15,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:04:15,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 15:04:15,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214068917] [2019-12-18 15:04:15,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 15:04:15,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:04:15,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 15:04:15,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 15:04:15,282 INFO L87 Difference]: Start difference. First operand 33 states and 54 transitions. Second operand 4 states. [2019-12-18 15:04:15,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:04:15,311 INFO L93 Difference]: Finished difference Result 37 states and 58 transitions. [2019-12-18 15:04:15,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 15:04:15,312 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 15:04:15,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:04:15,313 INFO L225 Difference]: With dead ends: 37 [2019-12-18 15:04:15,313 INFO L226 Difference]: Without dead ends: 19 [2019-12-18 15:04:15,313 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 15:04:15,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-18 15:04:15,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-18 15:04:15,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-18 15:04:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-12-18 15:04:15,317 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2019-12-18 15:04:15,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:04:15,317 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-12-18 15:04:15,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 15:04:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-12-18 15:04:15,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 15:04:15,320 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:04:15,320 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:04:15,320 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:04:15,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:04:15,321 INFO L82 PathProgramCache]: Analyzing trace with hash -554728090, now seen corresponding path program 2 times [2019-12-18 15:04:15,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:04:15,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000675252] [2019-12-18 15:04:15,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:04:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:04:15,372 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 15:04:15,373 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000675252] [2019-12-18 15:04:15,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:04:15,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 15:04:15,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486961055] [2019-12-18 15:04:15,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 15:04:15,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:04:15,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 15:04:15,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 15:04:15,376 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-12-18 15:04:15,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:04:15,392 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-12-18 15:04:15,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 15:04:15,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 15:04:15,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:04:15,393 INFO L225 Difference]: With dead ends: 18 [2019-12-18 15:04:15,393 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 15:04:15,394 INFO L631 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 [2019-12-18 15:04:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 15:04:15,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 15:04:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 15:04:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 15:04:15,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 15:04:15,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:04:15,396 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 15:04:15,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 15:04:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 15:04:15,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 15:04:15,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 03:04:15 BasicIcfg [2019-12-18 15:04:15,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 15:04:15,406 INFO L168 Benchmark]: Toolchain (without parser) took 4448.88 ms. Allocated memory was 140.5 MB in the beginning and 243.8 MB in the end (delta: 103.3 MB). Free memory was 103.8 MB in the beginning and 194.1 MB in the end (delta: -90.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-12-18 15:04:15,407 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 15:04:15,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.35 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 103.4 MB in the beginning and 161.7 MB in the end (delta: -58.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-12-18 15:04:15,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.16 ms. Allocated memory is still 205.0 MB. Free memory was 161.7 MB in the beginning and 158.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-18 15:04:15,409 INFO L168 Benchmark]: Boogie Preprocessor took 25.38 ms. Allocated memory is still 205.0 MB. Free memory was 158.9 MB in the beginning and 157.9 MB in the end (delta: 935.7 kB). Peak memory consumption was 935.7 kB. Max. memory is 7.1 GB. [2019-12-18 15:04:15,410 INFO L168 Benchmark]: RCFGBuilder took 438.33 ms. Allocated memory is still 205.0 MB. Free memory was 157.9 MB in the beginning and 134.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-12-18 15:04:15,413 INFO L168 Benchmark]: TraceAbstraction took 3047.26 ms. Allocated memory was 205.0 MB in the beginning and 243.8 MB in the end (delta: 38.8 MB). Free memory was 134.8 MB in the beginning and 194.1 MB in the end (delta: -59.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 15:04:15,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 857.35 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 103.4 MB in the beginning and 161.7 MB in the end (delta: -58.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 75.16 ms. Allocated memory is still 205.0 MB. Free memory was 161.7 MB in the beginning and 158.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.38 ms. Allocated memory is still 205.0 MB. Free memory was 158.9 MB in the beginning and 157.9 MB in the end (delta: 935.7 kB). Peak memory consumption was 935.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 438.33 ms. Allocated memory is still 205.0 MB. Free memory was 157.9 MB in the beginning and 134.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3047.26 ms. Allocated memory was 205.0 MB in the beginning and 243.8 MB in the end (delta: 38.8 MB). Free memory was 134.8 MB in the beginning and 194.1 MB in the end (delta: -59.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 77 ProgramPointsBefore, 28 ProgramPointsAfterwards, 65 TransitionsBefore, 21 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 362 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 687 CheckedPairsTotal, 54 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, 65 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 86 SDtfs, 41 SDslu, 79 SDs, 0 SdLazy, 34 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred 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, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 2014 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...