/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/safe021_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:58:57,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:58:57,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:58:57,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:58:57,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:58:57,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:58:57,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:58:57,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:58:57,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:58:57,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:58:57,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:58:57,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:58:57,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:58:57,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:58:57,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:58:57,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:58:57,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:58:57,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:58:57,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:58:57,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:58:57,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:58:57,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:58:57,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:58:57,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:58:57,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 04:58:57,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 04:58:57,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 04:58:57,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 04:58:57,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 04:58:57,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 04:58:57,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:58:57,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:58:57,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:58:57,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:58:57,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:58:57,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:58:57,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:58:57,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:58:57,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:58:57,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:58:57,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:58:57,108 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 04:58:57,130 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:58:57,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:58:57,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:58:57,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:58:57,133 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:58:57,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:58:57,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:58:57,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:58:57,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:58:57,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:58:57,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:58:57,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:58:57,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:58:57,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:58:57,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:58:57,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:58:57,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:58:57,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:58:57,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:58:57,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:58:57,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:58:57,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:58:57,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:58:57,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:58:57,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:58:57,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:58:57,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:58:57,137 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:58:57,137 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:58:57,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:58:57,138 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:58:57,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:58:57,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:58:57,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:58:57,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:58:57,438 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:58:57,438 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:58:57,439 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2019-12-28 04:58:57,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bef595bd/29f514d4e0cc42dc8a28ed1b396c6d7b/FLAG274e2b5d1 [2019-12-28 04:58:58,054 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:58:58,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2019-12-28 04:58:58,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bef595bd/29f514d4e0cc42dc8a28ed1b396c6d7b/FLAG274e2b5d1 [2019-12-28 04:58:58,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bef595bd/29f514d4e0cc42dc8a28ed1b396c6d7b [2019-12-28 04:58:58,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:58:58,350 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:58:58,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:58:58,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:58:58,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:58:58,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:58:58" (1/1) ... [2019-12-28 04:58:58,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690ee292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:58, skipping insertion in model container [2019-12-28 04:58:58,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:58:58" (1/1) ... [2019-12-28 04:58:58,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:58:58,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:58:58,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:58:58,916 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:58:58,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:58:59,053 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:58:59,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59 WrapperNode [2019-12-28 04:58:59,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:58:59,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:58:59,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:58:59,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:58:59,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:58:59,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:58:59,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:58:59,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:58:59,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (1/1) ... [2019-12-28 04:58:59,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:58:59,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:58:59,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:58:59,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:58:59,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (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 04:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:58:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:58:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:58:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:58:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:58:59,220 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 04:58:59,583 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:58:59,583 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:58:59,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:58:59 BoogieIcfgContainer [2019-12-28 04:58:59,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:58:59,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:58:59,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:58:59,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:58:59,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:58:58" (1/3) ... [2019-12-28 04:58:59,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777dd523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:58:59, skipping insertion in model container [2019-12-28 04:58:59,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:58:59" (2/3) ... [2019-12-28 04:58:59,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777dd523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:58:59, skipping insertion in model container [2019-12-28 04:58:59,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:58:59" (3/3) ... [2019-12-28 04:58:59,592 INFO L109 eAbstractionObserver]: Analyzing ICFG safe021_tso.opt.i [2019-12-28 04:58:59,600 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:58:59,601 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:58:59,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:58:59,608 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:58:59,636 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,637 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,637 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,644 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,645 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,645 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,645 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,646 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,646 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,646 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,647 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,647 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,647 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,648 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,648 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,648 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,649 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,649 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,653 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,654 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,654 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,654 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,660 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,661 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,661 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,661 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,673 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,673 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,673 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,673 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:58:59,692 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:58:59,709 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:58:59,709 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:58:59,709 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:58:59,710 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:58:59,710 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:58:59,710 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:58:59,710 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:58:59,710 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:58:59,722 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-28 04:58:59,811 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-28 04:58:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-28 04:58:59,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:58:59,830 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:58:59,832 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] [2019-12-28 04:58:59,832 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:58:59,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:58:59,839 INFO L82 PathProgramCache]: Analyzing trace with hash -771073264, now seen corresponding path program 1 times [2019-12-28 04:58:59,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:58:59,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390173959] [2019-12-28 04:58:59,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:59:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:59:00,282 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 04:59:00,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390173959] [2019-12-28 04:59:00,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:59:00,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:59:00,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2056838353] [2019-12-28 04:59:00,287 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:59:00,297 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:59:00,327 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 04:59:00,328 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:59:00,331 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:59:00,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:59:00,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:59:00,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:59:00,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:59:00,346 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-28 04:59:00,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:59:00,438 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-28 04:59:00,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:59:00,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-28 04:59:00,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:59:00,489 INFO L225 Difference]: With dead ends: 1295 [2019-12-28 04:59:00,489 INFO L226 Difference]: Without dead ends: 601 [2019-12-28 04:59:00,491 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 04:59:00,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-28 04:59:00,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-28 04:59:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-28 04:59:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-28 04:59:00,614 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-28 04:59:00,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:59:00,615 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-28 04:59:00,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:59:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-28 04:59:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:59:00,625 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:59:00,625 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 04:59:00,626 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:59:00,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:59:00,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1342943045, now seen corresponding path program 1 times [2019-12-28 04:59:00,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:59:00,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176110437] [2019-12-28 04:59:00,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:59:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:59:00,832 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 04:59:00,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176110437] [2019-12-28 04:59:00,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:59:00,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:59:00,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [44122737] [2019-12-28 04:59:00,834 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:59:00,839 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:59:00,844 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 40 transitions. [2019-12-28 04:59:00,845 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:59:00,847 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:59:00,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:59:00,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:59:00,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:59:00,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:59:00,858 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-28 04:59:00,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:59:00,929 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-28 04:59:00,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:59:00,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-28 04:59:00,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:59:00,935 INFO L225 Difference]: With dead ends: 601 [2019-12-28 04:59:00,935 INFO L226 Difference]: Without dead ends: 538 [2019-12-28 04:59:00,936 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 04:59:00,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-28 04:59:00,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-28 04:59:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-28 04:59:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-28 04:59:00,965 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-28 04:59:00,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:59:00,965 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-28 04:59:00,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:59:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-28 04:59:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:59:00,967 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:59:00,967 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 04:59:00,968 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:59:00,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:59:00,968 INFO L82 PathProgramCache]: Analyzing trace with hash -837131723, now seen corresponding path program 1 times [2019-12-28 04:59:00,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:59:00,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751095715] [2019-12-28 04:59:00,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:59:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:59:01,090 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 04:59:01,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751095715] [2019-12-28 04:59:01,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:59:01,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:59:01,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2143979662] [2019-12-28 04:59:01,093 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:59:01,096 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:59:01,102 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 04:59:01,103 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:59:01,189 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 04:59:01,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:59:01,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:59:01,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:59:01,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:59:01,190 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 7 states. [2019-12-28 04:59:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:59:01,304 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-28 04:59:01,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:59:01,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-28 04:59:01,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:59:01,308 INFO L225 Difference]: With dead ends: 403 [2019-12-28 04:59:01,308 INFO L226 Difference]: Without dead ends: 349 [2019-12-28 04:59:01,309 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-12-28 04:59:01,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-28 04:59:01,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-28 04:59:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-28 04:59:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-28 04:59:01,323 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-28 04:59:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:59:01,324 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-28 04:59:01,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:59:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-28 04:59:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:59:01,325 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:59:01,326 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 04:59:01,326 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:59:01,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:59:01,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1670484431, now seen corresponding path program 1 times [2019-12-28 04:59:01,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:59:01,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546226411] [2019-12-28 04:59:01,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:59:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:59:01,547 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 04:59:01,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546226411] [2019-12-28 04:59:01,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:59:01,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:59:01,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [377776225] [2019-12-28 04:59:01,549 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:59:01,554 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:59:01,564 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 50 transitions. [2019-12-28 04:59:01,564 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:59:01,600 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 04:59:01,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:59:01,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:59:01,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:59:01,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:59:01,601 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-12-28 04:59:01,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:59:01,753 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-12-28 04:59:01,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:59:01,753 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 04:59:01,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:59:01,757 INFO L225 Difference]: With dead ends: 556 [2019-12-28 04:59:01,757 INFO L226 Difference]: Without dead ends: 325 [2019-12-28 04:59:01,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 04:59:01,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-12-28 04:59:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2019-12-28 04:59:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-12-28 04:59:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-12-28 04:59:01,774 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-12-28 04:59:01,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:59:01,774 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-12-28 04:59:01,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:59:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-12-28 04:59:01,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:59:01,776 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:59:01,776 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 04:59:01,777 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:59:01,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:59:01,777 INFO L82 PathProgramCache]: Analyzing trace with hash 866384313, now seen corresponding path program 2 times [2019-12-28 04:59:01,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:59:01,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448002693] [2019-12-28 04:59:01,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:59:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:59:01,932 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 04:59:01,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448002693] [2019-12-28 04:59:01,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:59:01,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:59:01,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1744115327] [2019-12-28 04:59:01,933 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:59:01,936 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:59:01,942 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 04:59:01,942 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:59:02,022 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 6 times. [2019-12-28 04:59:02,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 04:59:02,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:59:02,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 04:59:02,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:59:02,025 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 9 states. [2019-12-28 04:59:02,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:59:02,187 INFO L93 Difference]: Finished difference Result 496 states and 1326 transitions. [2019-12-28 04:59:02,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:59:02,188 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-12-28 04:59:02,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:59:02,190 INFO L225 Difference]: With dead ends: 496 [2019-12-28 04:59:02,191 INFO L226 Difference]: Without dead ends: 253 [2019-12-28 04:59:02,191 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-12-28 04:59:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-12-28 04:59:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-12-28 04:59:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-12-28 04:59:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-12-28 04:59:02,200 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-12-28 04:59:02,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:59:02,201 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-12-28 04:59:02,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 04:59:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-12-28 04:59:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:59:02,202 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:59:02,202 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 04:59:02,202 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:59:02,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:59:02,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1548790957, now seen corresponding path program 3 times [2019-12-28 04:59:02,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:59:02,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215784467] [2019-12-28 04:59:02,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:59:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:59:02,351 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 04:59:02,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215784467] [2019-12-28 04:59:02,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:59:02,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:59:02,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1785709042] [2019-12-28 04:59:02,352 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:59:02,356 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:59:02,361 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 34 transitions. [2019-12-28 04:59:02,362 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:59:02,363 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:59:02,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:59:02,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:59:02,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:59:02,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:59:02,364 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-12-28 04:59:02,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:59:02,446 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-12-28 04:59:02,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:59:02,446 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 04:59:02,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:59:02,447 INFO L225 Difference]: With dead ends: 199 [2019-12-28 04:59:02,447 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:59:02,447 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 04:59:02,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:59:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:59:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:59:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:59:02,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-28 04:59:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:59:02,449 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:59:02,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:59:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:59:02,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:59:02,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:59:02 BasicIcfg [2019-12-28 04:59:02,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:59:02,458 INFO L168 Benchmark]: Toolchain (without parser) took 4107.65 ms. Allocated memory was 135.3 MB in the beginning and 256.4 MB in the end (delta: 121.1 MB). Free memory was 98.7 MB in the beginning and 137.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:59:02,459 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-28 04:59:02,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.90 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 98.3 MB in the beginning and 158.2 MB in the end (delta: -59.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:59:02,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.95 ms. Allocated memory is still 200.8 MB. Free memory was 158.2 MB in the beginning and 156.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-28 04:59:02,461 INFO L168 Benchmark]: Boogie Preprocessor took 27.90 ms. Allocated memory is still 200.8 MB. Free memory was 156.1 MB in the beginning and 154.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-28 04:59:02,462 INFO L168 Benchmark]: RCFGBuilder took 434.28 ms. Allocated memory is still 200.8 MB. Free memory was 154.0 MB in the beginning and 134.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-12-28 04:59:02,463 INFO L168 Benchmark]: TraceAbstraction took 2868.97 ms. Allocated memory was 200.8 MB in the beginning and 256.4 MB in the end (delta: 55.6 MB). Free memory was 133.4 MB in the beginning and 137.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. [2019-12-28 04:59:02,468 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.90 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 98.3 MB in the beginning and 158.2 MB in the end (delta: -59.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.95 ms. Allocated memory is still 200.8 MB. Free memory was 158.2 MB in the beginning and 156.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.90 ms. Allocated memory is still 200.8 MB. Free memory was 156.1 MB in the beginning and 154.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 434.28 ms. Allocated memory is still 200.8 MB. Free memory was 154.0 MB in the beginning and 134.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2868.97 ms. Allocated memory was 200.8 MB in the beginning and 256.4 MB in the end (delta: 55.6 MB). Free memory was 133.4 MB in the beginning and 137.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 51.5 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, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 309 SDtfs, 420 SDslu, 852 SDs, 0 SdLazy, 127 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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, 0.8s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 17646 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...