/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/safe016_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-26 23:50:40,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-26 23:50:40,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-26 23:50:40,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-26 23:50:40,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-26 23:50:40,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-26 23:50:40,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-26 23:50:40,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-26 23:50:40,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-26 23:50:40,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-26 23:50:40,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-26 23:50:40,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-26 23:50:40,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-26 23:50:40,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-26 23:50:40,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-26 23:50:40,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-26 23:50:40,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-26 23:50:40,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-26 23:50:40,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-26 23:50:40,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-26 23:50:40,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-26 23:50:40,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-26 23:50:40,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-26 23:50:40,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-26 23:50:40,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-26 23:50:40,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-26 23:50:40,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-26 23:50:40,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-26 23:50:40,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-26 23:50:40,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-26 23:50:40,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-26 23:50:40,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-26 23:50:40,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-26 23:50:40,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-26 23:50:40,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-26 23:50:40,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-26 23:50:40,464 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 [2019-12-26 23:50:40,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-26 23:50:40,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-26 23:50:40,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-26 23:50:40,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-26 23:50:40,479 INFO L138 SettingsManager]: * Use SBE=true [2019-12-26 23:50:40,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-26 23:50:40,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-26 23:50:40,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-26 23:50:40,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-26 23:50:40,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-26 23:50:40,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-26 23:50:40,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-26 23:50:40,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-26 23:50:40,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-26 23:50:40,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-26 23:50:40,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-26 23:50:40,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-26 23:50:40,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-26 23:50:40,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-26 23:50:40,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-26 23:50:40,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-26 23:50:40,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-26 23:50:40,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-26 23:50:40,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-26 23:50:40,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-26 23:50:40,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-26 23:50:40,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-26 23:50:40,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-26 23:50:40,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-26 23:50:40,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-26 23:50:40,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-26 23:50:40,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-26 23:50:40,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-26 23:50:40,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-26 23:50:40,761 INFO L275 PluginConnector]: CDTParser initialized [2019-12-26 23:50:40,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2019-12-26 23:50:40,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ac5884d0/8f52076ad7924076935447af9b3702d5/FLAG883fac5f6 [2019-12-26 23:50:41,366 INFO L306 CDTParser]: Found 1 translation units. [2019-12-26 23:50:41,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2019-12-26 23:50:41,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ac5884d0/8f52076ad7924076935447af9b3702d5/FLAG883fac5f6 [2019-12-26 23:50:41,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ac5884d0/8f52076ad7924076935447af9b3702d5 [2019-12-26 23:50:41,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-26 23:50:41,635 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-26 23:50:41,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-26 23:50:41,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-26 23:50:41,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-26 23:50:41,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 11:50:41" (1/1) ... [2019-12-26 23:50:41,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b1d233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:41, skipping insertion in model container [2019-12-26 23:50:41,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 11:50:41" (1/1) ... [2019-12-26 23:50:41,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-26 23:50:41,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-26 23:50:42,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 23:50:42,144 INFO L203 MainTranslator]: Completed pre-run [2019-12-26 23:50:42,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 23:50:42,315 INFO L208 MainTranslator]: Completed translation [2019-12-26 23:50:42,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42 WrapperNode [2019-12-26 23:50:42,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-26 23:50:42,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-26 23:50:42,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-26 23:50:42,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-26 23:50:42,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-26 23:50:42,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-26 23:50:42,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-26 23:50:42,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-26 23:50:42,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (1/1) ... [2019-12-26 23:50:42,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-26 23:50:42,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-26 23:50:42,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-26 23:50:42,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-26 23:50:42,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (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 [2019-12-26 23:50:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-26 23:50:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-26 23:50:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-26 23:50:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-26 23:50:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-26 23:50:42,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-26 23:50:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-26 23:50:42,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-26 23:50:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-26 23:50:42,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-26 23:50:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-26 23:50:42,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-26 23:50:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-26 23:50:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-26 23:50:42,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-26 23:50:42,495 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-26 23:50:42,892 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-26 23:50:42,893 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-26 23:50:42,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 11:50:42 BoogieIcfgContainer [2019-12-26 23:50:42,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-26 23:50:42,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-26 23:50:42,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-26 23:50:42,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-26 23:50:42,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 11:50:41" (1/3) ... [2019-12-26 23:50:42,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b74ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 11:50:42, skipping insertion in model container [2019-12-26 23:50:42,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:50:42" (2/3) ... [2019-12-26 23:50:42,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b74ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 11:50:42, skipping insertion in model container [2019-12-26 23:50:42,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 11:50:42" (3/3) ... [2019-12-26 23:50:42,902 INFO L109 eAbstractionObserver]: Analyzing ICFG safe016_tso.oepc.i [2019-12-26 23:50:42,912 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-26 23:50:42,913 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-26 23:50:42,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-26 23:50:42,922 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-26 23:50:42,953 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,953 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,953 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,954 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,954 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,954 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,955 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,955 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,955 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,956 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,956 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,956 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,957 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,957 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,957 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,957 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,958 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,958 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,958 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,959 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,959 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,959 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,960 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,960 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,964 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,964 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,964 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,965 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,970 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,971 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,971 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,971 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,974 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,974 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,974 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,974 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,978 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,979 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,979 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,979 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:50:42,992 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-26 23:50:43,009 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 23:50:43,009 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 23:50:43,009 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 23:50:43,009 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 23:50:43,009 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 23:50:43,009 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 23:50:43,009 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 23:50:43,010 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 23:50:43,022 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 63 transitions [2019-12-26 23:50:43,024 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-26 23:50:43,086 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-26 23:50:43,086 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 23:50:43,095 INFO L76 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 0/57 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-26 23:50:43,097 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-26 23:50:43,117 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-26 23:50:43,118 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 23:50:43,119 INFO L76 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 0/57 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-26 23:50:43,125 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-26 23:50:43,126 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 23:50:45,056 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-12-26 23:50:45,116 INFO L206 etLargeBlockEncoding]: Checked pairs total: 749 [2019-12-26 23:50:45,117 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-26 23:50:45,121 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-26 23:50:45,135 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-26 23:50:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-26 23:50:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-26 23:50:45,146 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:50:45,147 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:50:45,147 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:50:45,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:50:45,155 INFO L82 PathProgramCache]: Analyzing trace with hash 364087523, now seen corresponding path program 1 times [2019-12-26 23:50:45,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:50:45,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782127188] [2019-12-26 23:50:45,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:50:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:50:45,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:50:45,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782127188] [2019-12-26 23:50:45,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:50:45,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-26 23:50:45,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243986913] [2019-12-26 23:50:45,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:50:45,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:50:45,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:50:45,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:50:45,479 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-26 23:50:45,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:50:45,523 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-26 23:50:45,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:50:45,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-26 23:50:45,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:50:45,551 INFO L225 Difference]: With dead ends: 86 [2019-12-26 23:50:45,552 INFO L226 Difference]: Without dead ends: 70 [2019-12-26 23:50:45,553 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 [2019-12-26 23:50:45,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-26 23:50:45,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-26 23:50:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-26 23:50:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-26 23:50:45,600 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-26 23:50:45,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:50:45,601 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-26 23:50:45,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:50:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-26 23:50:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-26 23:50:45,603 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:50:45,603 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:50:45,603 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:50:45,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:50:45,604 INFO L82 PathProgramCache]: Analyzing trace with hash -662886856, now seen corresponding path program 1 times [2019-12-26 23:50:45,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:50:45,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930875849] [2019-12-26 23:50:45,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:50:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:50:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:50:45,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930875849] [2019-12-26 23:50:45,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:50:45,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:50:45,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290467845] [2019-12-26 23:50:45,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-26 23:50:45,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:50:45,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-26 23:50:45,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-26 23:50:45,695 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-26 23:50:45,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:50:45,730 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-26 23:50:45,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-26 23:50:45,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-26 23:50:45,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:50:45,732 INFO L225 Difference]: With dead ends: 84 [2019-12-26 23:50:45,732 INFO L226 Difference]: Without dead ends: 54 [2019-12-26 23:50:45,733 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 [2019-12-26 23:50:45,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-26 23:50:45,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-26 23:50:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-26 23:50:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-26 23:50:45,741 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-26 23:50:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:50:45,741 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-26 23:50:45,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-26 23:50:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-26 23:50:45,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-26 23:50:45,742 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:50:45,742 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:50:45,743 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:50:45,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:50:45,743 INFO L82 PathProgramCache]: Analyzing trace with hash 2027029566, now seen corresponding path program 1 times [2019-12-26 23:50:45,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:50:45,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554169117] [2019-12-26 23:50:45,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:50:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:50:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:50:45,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554169117] [2019-12-26 23:50:45,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:50:45,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-26 23:50:45,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116118652] [2019-12-26 23:50:45,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-26 23:50:45,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:50:45,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-26 23:50:45,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-26 23:50:45,831 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 4 states. [2019-12-26 23:50:45,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:50:45,881 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-26 23:50:45,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-26 23:50:45,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-26 23:50:45,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:50:45,890 INFO L225 Difference]: With dead ends: 70 [2019-12-26 23:50:45,890 INFO L226 Difference]: Without dead ends: 46 [2019-12-26 23:50:45,891 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 [2019-12-26 23:50:45,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-26 23:50:45,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-26 23:50:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-26 23:50:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-26 23:50:45,904 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-26 23:50:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:50:45,904 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-26 23:50:45,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-26 23:50:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-26 23:50:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-26 23:50:45,906 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:50:45,906 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:50:45,907 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:50:45,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:50:45,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1995753728, now seen corresponding path program 1 times [2019-12-26 23:50:45,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:50:45,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797252539] [2019-12-26 23:50:45,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:50:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:50:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:50:45,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797252539] [2019-12-26 23:50:45,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:50:45,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:50:45,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950377844] [2019-12-26 23:50:45,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:50:45,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:50:45,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:50:45,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:50:45,984 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-26 23:50:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:50:45,994 INFO L93 Difference]: Finished difference Result 46 states and 75 transitions. [2019-12-26 23:50:45,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:50:45,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-26 23:50:45,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:50:45,996 INFO L225 Difference]: With dead ends: 46 [2019-12-26 23:50:45,996 INFO L226 Difference]: Without dead ends: 28 [2019-12-26 23:50:45,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:50:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-26 23:50:45,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-26 23:50:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-26 23:50:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2019-12-26 23:50:46,000 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 12 [2019-12-26 23:50:46,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:50:46,000 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-12-26 23:50:46,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:50:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2019-12-26 23:50:46,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-26 23:50:46,001 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:50:46,001 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:50:46,001 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:50:46,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:50:46,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1738823299, now seen corresponding path program 1 times [2019-12-26 23:50:46,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:50:46,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899817591] [2019-12-26 23:50:46,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:50:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:50:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:50:46,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899817591] [2019-12-26 23:50:46,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:50:46,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-26 23:50:46,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566266540] [2019-12-26 23:50:46,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:50:46,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:50:46,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:50:46,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:50:46,040 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand 3 states. [2019-12-26 23:50:46,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:50:46,045 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2019-12-26 23:50:46,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:50:46,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-26 23:50:46,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:50:46,046 INFO L225 Difference]: With dead ends: 27 [2019-12-26 23:50:46,046 INFO L226 Difference]: Without dead ends: 21 [2019-12-26 23:50:46,046 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 [2019-12-26 23:50:46,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-26 23:50:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-26 23:50:46,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-26 23:50:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-12-26 23:50:46,049 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2019-12-26 23:50:46,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:50:46,049 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-12-26 23:50:46,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:50:46,050 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-12-26 23:50:46,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-26 23:50:46,050 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:50:46,050 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:50:46,051 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:50:46,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:50:46,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1277298007, now seen corresponding path program 1 times [2019-12-26 23:50:46,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:50:46,052 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836598331] [2019-12-26 23:50:46,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:50:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:50:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:50:46,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836598331] [2019-12-26 23:50:46,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:50:46,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:50:46,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996634766] [2019-12-26 23:50:46,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-26 23:50:46,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:50:46,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-26 23:50:46,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-26 23:50:46,091 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand 4 states. [2019-12-26 23:50:46,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:50:46,104 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-12-26 23:50:46,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-26 23:50:46,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-26 23:50:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:50:46,105 INFO L225 Difference]: With dead ends: 20 [2019-12-26 23:50:46,105 INFO L226 Difference]: Without dead ends: 0 [2019-12-26 23:50:46,106 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 [2019-12-26 23:50:46,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-26 23:50:46,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-26 23:50:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-26 23:50:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-26 23:50:46,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-26 23:50:46,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:50:46,107 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-26 23:50:46,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-26 23:50:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-26 23:50:46,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-26 23:50:46,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 11:50:46 BasicIcfg [2019-12-26 23:50:46,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-26 23:50:46,114 INFO L168 Benchmark]: Toolchain (without parser) took 4479.31 ms. Allocated memory was 138.9 MB in the beginning and 246.4 MB in the end (delta: 107.5 MB). Free memory was 102.1 MB in the beginning and 185.1 MB in the end (delta: -83.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-12-26 23:50:46,115 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-26 23:50:46,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.98 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 158.6 MB in the end (delta: -56.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-12-26 23:50:46,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.84 ms. Allocated memory is still 203.4 MB. Free memory was 158.0 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-26 23:50:46,117 INFO L168 Benchmark]: Boogie Preprocessor took 29.48 ms. Allocated memory is still 203.4 MB. Free memory was 156.0 MB in the beginning and 154.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-26 23:50:46,118 INFO L168 Benchmark]: RCFGBuilder took 467.23 ms. Allocated memory is still 203.4 MB. Free memory was 154.6 MB in the beginning and 132.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-12-26 23:50:46,119 INFO L168 Benchmark]: TraceAbstraction took 3216.45 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 132.0 MB in the beginning and 185.1 MB in the end (delta: -53.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-26 23:50:46,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.98 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 158.6 MB in the end (delta: -56.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 80.84 ms. Allocated memory is still 203.4 MB. Free memory was 158.0 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.48 ms. Allocated memory is still 203.4 MB. Free memory was 156.0 MB in the beginning and 154.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 467.23 ms. Allocated memory is still 203.4 MB. Free memory was 154.6 MB in the beginning and 132.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3216.45 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 132.0 MB in the beginning and 185.1 MB in the end (delta: -53.0 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: 2.0s, 75 ProgramPointsBefore, 27 ProgramPointsAfterwards, 63 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 363 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 19 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 749 CheckedPairsTotal, 49 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, 63 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 38 SDslu, 63 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1834 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...