/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:23:47,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:23:47,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:23:47,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:23:47,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:23:47,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:23:47,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:23:47,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:23:47,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:23:47,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:23:47,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:23:47,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:23:47,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:23:47,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:23:47,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:23:47,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:23:47,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:23:47,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:23:47,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:23:47,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:23:47,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:23:47,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:23:47,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:23:47,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:23:47,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 04:23:47,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:23:47,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:23:47,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:23:47,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:23:47,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:23:47,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:23:47,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:23:47,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:23:47,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:23:47,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:23:47,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:23:47,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 04:23:47,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:23:47,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:23:47,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:23:47,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:23:47,480 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:23:47,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:23:47,480 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:23:47,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:23:47,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:23:47,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:23:47,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:23:47,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:23:47,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:23:47,482 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:23:47,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:23:47,482 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:23:47,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:23:47,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:23:47,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:23:47,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:23:47,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:23:47,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:23:47,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:23:47,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:23:47,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:23:47,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:23:47,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:23:47,485 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:23:47,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:23:47,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:23:47,485 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:23:47,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:23:47,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:23:47,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:23:47,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:23:47,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:23:47,821 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:23:47,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2019-12-28 04:23:47,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5597cee/dcadf4a3794d42a1acc67602b66002aa/FLAG32b23400e [2019-12-28 04:23:48,411 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:23:48,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2019-12-28 04:23:48,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5597cee/dcadf4a3794d42a1acc67602b66002aa/FLAG32b23400e [2019-12-28 04:23:48,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5597cee/dcadf4a3794d42a1acc67602b66002aa [2019-12-28 04:23:48,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:23:48,761 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:23:48,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:23:48,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:23:48,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:23:48,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:23:48" (1/1) ... [2019-12-28 04:23:48,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c507e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:48, skipping insertion in model container [2019-12-28 04:23:48,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:23:48" (1/1) ... [2019-12-28 04:23:48,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:23:48,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:23:49,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:23:49,344 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:23:49,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:23:49,486 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:23:49,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49 WrapperNode [2019-12-28 04:23:49,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:23:49,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:23:49,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:23:49,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:23:49,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:23:49,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:23:49,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:23:49,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:23:49,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (1/1) ... [2019-12-28 04:23:49,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:23:49,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:23:49,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:23:49,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:23:49,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (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 [2019-12-28 04:23:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:23:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:23:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:23:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:23:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:23:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:23:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:23:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:23:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:23:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:23:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:23:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:23:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:23:49,671 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 04:23:50,049 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:23:50,049 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:23:50,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:23:50 BoogieIcfgContainer [2019-12-28 04:23:50,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:23:50,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:23:50,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:23:50,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:23:50,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:23:48" (1/3) ... [2019-12-28 04:23:50,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4755114c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:23:50, skipping insertion in model container [2019-12-28 04:23:50,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:49" (2/3) ... [2019-12-28 04:23:50,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4755114c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:23:50, skipping insertion in model container [2019-12-28 04:23:50,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:23:50" (3/3) ... [2019-12-28 04:23:50,060 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2019-12-28 04:23:50,069 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:23:50,070 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:23:50,076 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:23:50,077 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:23:50,107 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,108 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,108 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,108 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,109 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,109 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,109 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,110 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,110 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,110 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,111 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,111 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,111 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,112 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,112 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,112 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,112 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,113 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,116 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,117 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,117 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,117 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,131 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,132 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,132 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,132 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,134 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,135 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,135 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,135 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:23:50,159 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:23:50,181 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:23:50,182 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:23:50,182 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:23:50,183 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:23:50,183 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:23:50,183 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:23:50,184 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:23:50,184 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:23:50,201 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 55 transitions [2019-12-28 04:23:50,288 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1249 states. [2019-12-28 04:23:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states. [2019-12-28 04:23:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:23:50,307 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:23:50,308 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:23:50,308 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:23:50,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:23:50,315 INFO L82 PathProgramCache]: Analyzing trace with hash 100870604, now seen corresponding path program 1 times [2019-12-28 04:23:50,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:23:50,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096684545] [2019-12-28 04:23:50,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:23:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:23:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:23:50,710 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096684545] [2019-12-28 04:23:50,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:23:50,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:23:50,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [503154743] [2019-12-28 04:23:50,714 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:23:50,723 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:23:50,756 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 32 transitions. [2019-12-28 04:23:50,756 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:23:50,762 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:23:50,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:23:50,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:23:50,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:23:50,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:23:50,781 INFO L87 Difference]: Start difference. First operand 1249 states. Second operand 4 states. [2019-12-28 04:23:50,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:23:50,913 INFO L93 Difference]: Finished difference Result 1296 states and 3962 transitions. [2019-12-28 04:23:50,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:23:50,915 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-28 04:23:50,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:23:50,951 INFO L225 Difference]: With dead ends: 1296 [2019-12-28 04:23:50,952 INFO L226 Difference]: Without dead ends: 602 [2019-12-28 04:23:50,956 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 [2019-12-28 04:23:50,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-12-28 04:23:51,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-12-28 04:23:51,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-12-28 04:23:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1777 transitions. [2019-12-28 04:23:51,095 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1777 transitions. Word has length 32 [2019-12-28 04:23:51,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:23:51,096 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 1777 transitions. [2019-12-28 04:23:51,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:23:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1777 transitions. [2019-12-28 04:23:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:23:51,105 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:23:51,105 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:23:51,106 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:23:51,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:23:51,106 INFO L82 PathProgramCache]: Analyzing trace with hash -471697472, now seen corresponding path program 1 times [2019-12-28 04:23:51,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:23:51,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351013849] [2019-12-28 04:23:51,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:23:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:23:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:23:51,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351013849] [2019-12-28 04:23:51,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:23:51,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:23:51,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [363451309] [2019-12-28 04:23:51,280 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:23:51,286 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:23:51,292 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 04:23:51,292 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:23:51,294 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:23:51,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:23:51,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:23:51,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:23:51,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:23:51,307 INFO L87 Difference]: Start difference. First operand 602 states and 1777 transitions. Second operand 5 states. [2019-12-28 04:23:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:23:51,394 INFO L93 Difference]: Finished difference Result 602 states and 1696 transitions. [2019-12-28 04:23:51,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:23:51,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-28 04:23:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:23:51,399 INFO L225 Difference]: With dead ends: 602 [2019-12-28 04:23:51,400 INFO L226 Difference]: Without dead ends: 539 [2019-12-28 04:23:51,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:23:51,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-12-28 04:23:51,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2019-12-28 04:23:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-12-28 04:23:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1546 transitions. [2019-12-28 04:23:51,421 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1546 transitions. Word has length 33 [2019-12-28 04:23:51,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:23:51,422 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 1546 transitions. [2019-12-28 04:23:51,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:23:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1546 transitions. [2019-12-28 04:23:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:23:51,424 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:23:51,424 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:23:51,425 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:23:51,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:23:51,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1145104615, now seen corresponding path program 1 times [2019-12-28 04:23:51,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:23:51,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212673416] [2019-12-28 04:23:51,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:23:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:23:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:23:51,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212673416] [2019-12-28 04:23:51,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:23:51,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:23:51,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [671740516] [2019-12-28 04:23:51,582 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:23:51,585 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:23:51,591 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 04:23:51,592 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:23:51,592 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:23:51,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:23:51,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:23:51,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:23:51,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:23:51,594 INFO L87 Difference]: Start difference. First operand 539 states and 1546 transitions. Second operand 6 states. [2019-12-28 04:23:51,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:23:51,684 INFO L93 Difference]: Finished difference Result 404 states and 1060 transitions. [2019-12-28 04:23:51,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:23:51,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-28 04:23:51,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:23:51,688 INFO L225 Difference]: With dead ends: 404 [2019-12-28 04:23:51,688 INFO L226 Difference]: Without dead ends: 350 [2019-12-28 04:23:51,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:23:51,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-28 04:23:51,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2019-12-28 04:23:51,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-12-28 04:23:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 916 transitions. [2019-12-28 04:23:51,701 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 916 transitions. Word has length 34 [2019-12-28 04:23:51,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:23:51,701 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 916 transitions. [2019-12-28 04:23:51,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:23:51,701 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 916 transitions. [2019-12-28 04:23:51,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:23:51,707 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:23:51,708 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:23:51,708 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:23:51,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:23:51,708 INFO L82 PathProgramCache]: Analyzing trace with hash 608973843, now seen corresponding path program 1 times [2019-12-28 04:23:51,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:23:51,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440560322] [2019-12-28 04:23:51,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:23:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:23:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:23:51,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440560322] [2019-12-28 04:23:51,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:23:51,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:23:51,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [100298421] [2019-12-28 04:23:51,956 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:23:51,962 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:23:51,972 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 48 states and 59 transitions. [2019-12-28 04:23:51,973 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:23:51,973 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:23:51,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:23:51,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:23:51,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:23:51,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:23:51,974 INFO L87 Difference]: Start difference. First operand 350 states and 916 transitions. Second operand 8 states. [2019-12-28 04:23:52,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:23:52,102 INFO L93 Difference]: Finished difference Result 521 states and 1396 transitions. [2019-12-28 04:23:52,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:23:52,102 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:23:52,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:23:52,105 INFO L225 Difference]: With dead ends: 521 [2019-12-28 04:23:52,105 INFO L226 Difference]: Without dead ends: 278 [2019-12-28 04:23:52,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:23:52,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-28 04:23:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-12-28 04:23:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-12-28 04:23:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 727 transitions. [2019-12-28 04:23:52,135 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 727 transitions. Word has length 35 [2019-12-28 04:23:52,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:23:52,136 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 727 transitions. [2019-12-28 04:23:52,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:23:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 727 transitions. [2019-12-28 04:23:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:23:52,137 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:23:52,138 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:23:52,138 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:23:52,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:23:52,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1362281377, now seen corresponding path program 2 times [2019-12-28 04:23:52,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:23:52,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950679035] [2019-12-28 04:23:52,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:23:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:23:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:23:52,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950679035] [2019-12-28 04:23:52,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:23:52,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:23:52,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2142071295] [2019-12-28 04:23:52,310 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:23:52,315 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:23:52,324 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 43 transitions. [2019-12-28 04:23:52,325 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:23:52,327 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:23:52,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:23:52,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:23:52,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:23:52,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:23:52,330 INFO L87 Difference]: Start difference. First operand 278 states and 727 transitions. Second operand 8 states. [2019-12-28 04:23:52,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:23:52,452 INFO L93 Difference]: Finished difference Result 440 states and 1186 transitions. [2019-12-28 04:23:52,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:23:52,454 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:23:52,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:23:52,458 INFO L225 Difference]: With dead ends: 440 [2019-12-28 04:23:52,458 INFO L226 Difference]: Without dead ends: 254 [2019-12-28 04:23:52,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:23:52,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-12-28 04:23:52,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2019-12-28 04:23:52,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-12-28 04:23:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 673 transitions. [2019-12-28 04:23:52,467 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 673 transitions. Word has length 35 [2019-12-28 04:23:52,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:23:52,468 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 673 transitions. [2019-12-28 04:23:52,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:23:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 673 transitions. [2019-12-28 04:23:52,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:23:52,469 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:23:52,469 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:23:52,469 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:23:52,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:23:52,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1957742869, now seen corresponding path program 3 times [2019-12-28 04:23:52,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:23:52,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722168491] [2019-12-28 04:23:52,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:23:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:23:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:23:52,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722168491] [2019-12-28 04:23:52,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:23:52,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:23:52,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [448002693] [2019-12-28 04:23:52,640 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:23:52,643 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:23:52,647 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 36 states and 35 transitions. [2019-12-28 04:23:52,648 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:23:52,648 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:23:52,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:23:52,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:23:52,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:23:52,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:23:52,649 INFO L87 Difference]: Start difference. First operand 254 states and 673 transitions. Second operand 8 states. [2019-12-28 04:23:52,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:23:52,733 INFO L93 Difference]: Finished difference Result 200 states and 511 transitions. [2019-12-28 04:23:52,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:23:52,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:23:52,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:23:52,734 INFO L225 Difference]: With dead ends: 200 [2019-12-28 04:23:52,734 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:23:52,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:23:52,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:23:52,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:23:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:23:52,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:23:52,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-12-28 04:23:52,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:23:52,736 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:23:52,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:23:52,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:23:52,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:23:52,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:23:52 BasicIcfg [2019-12-28 04:23:52,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:23:52,745 INFO L168 Benchmark]: Toolchain (without parser) took 3983.23 ms. Allocated memory was 137.9 MB in the beginning and 251.7 MB in the end (delta: 113.8 MB). Free memory was 100.9 MB in the beginning and 133.3 MB in the end (delta: -32.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:23:52,746 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-28 04:23:52,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.03 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 158.2 MB in the end (delta: -57.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-12-28 04:23:52,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.78 ms. Allocated memory is still 201.3 MB. Free memory was 158.2 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:23:52,751 INFO L168 Benchmark]: Boogie Preprocessor took 48.96 ms. Allocated memory is still 201.3 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:23:52,752 INFO L168 Benchmark]: RCFGBuilder took 450.65 ms. Allocated memory is still 201.3 MB. Free memory was 154.8 MB in the beginning and 134.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-12-28 04:23:52,752 INFO L168 Benchmark]: TraceAbstraction took 2690.29 ms. Allocated memory was 201.3 MB in the beginning and 251.7 MB in the end (delta: 50.3 MB). Free memory was 134.1 MB in the beginning and 133.3 MB in the end (delta: 716.6 kB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:23:52,757 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.03 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 158.2 MB in the end (delta: -57.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.78 ms. Allocated memory is still 201.3 MB. Free memory was 158.2 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.96 ms. Allocated memory is still 201.3 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 450.65 ms. Allocated memory is still 201.3 MB. Free memory was 154.8 MB in the beginning and 134.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2690.29 ms. Allocated memory was 201.3 MB in the beginning and 251.7 MB in the end (delta: 50.3 MB). Free memory was 134.1 MB in the beginning and 133.3 MB in the end (delta: 716.6 kB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 4 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 367 SDslu, 764 SDs, 0 SdLazy, 113 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1249occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 21102 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...