/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 03:47:35,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 03:47:35,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 03:47:35,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 03:47:35,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 03:47:35,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 03:47:35,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 03:47:35,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 03:47:35,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 03:47:35,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 03:47:35,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 03:47:35,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 03:47:35,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 03:47:35,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 03:47:35,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 03:47:35,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 03:47:35,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 03:47:35,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 03:47:35,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 03:47:35,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 03:47:35,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 03:47:35,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 03:47:35,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 03:47:35,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 03:47:35,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 03:47:35,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 03:47:35,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 03:47:35,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 03:47:35,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 03:47:35,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 03:47:35,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 03:47:35,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 03:47:35,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 03:47:35,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 03:47:35,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 03:47:35,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 03:47:35,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 03:47:35,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 03:47:35,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 03:47:35,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 03:47:35,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 03:47:35,976 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-SemanticLbe.epf [2019-12-27 03:47:36,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 03:47:36,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 03:47:36,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 03:47:36,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 03:47:36,003 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 03:47:36,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 03:47:36,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 03:47:36,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 03:47:36,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 03:47:36,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 03:47:36,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 03:47:36,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 03:47:36,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 03:47:36,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 03:47:36,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 03:47:36,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 03:47:36,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 03:47:36,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 03:47:36,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 03:47:36,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 03:47:36,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 03:47:36,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 03:47:36,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 03:47:36,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 03:47:36,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 03:47:36,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 03:47:36,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 03:47:36,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 03:47:36,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 03:47:36,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 03:47:36,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 03:47:36,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 03:47:36,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 03:47:36,399 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 03:47:36,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i [2019-12-27 03:47:36,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cf8c1f1/7aebdf77551f4701990a60057521e3c2/FLAGa6adcba7e [2019-12-27 03:47:37,053 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 03:47:37,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i [2019-12-27 03:47:37,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cf8c1f1/7aebdf77551f4701990a60057521e3c2/FLAGa6adcba7e [2019-12-27 03:47:37,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cf8c1f1/7aebdf77551f4701990a60057521e3c2 [2019-12-27 03:47:37,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 03:47:37,306 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 03:47:37,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 03:47:37,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 03:47:37,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 03:47:37,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:47:37" (1/1) ... [2019-12-27 03:47:37,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e917af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:37, skipping insertion in model container [2019-12-27 03:47:37,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:47:37" (1/1) ... [2019-12-27 03:47:37,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 03:47:37,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 03:47:37,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 03:47:37,872 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 03:47:37,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 03:47:38,029 INFO L208 MainTranslator]: Completed translation [2019-12-27 03:47:38,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38 WrapperNode [2019-12-27 03:47:38,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 03:47:38,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 03:47:38,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 03:47:38,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 03:47:38,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 03:47:38,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 03:47:38,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 03:47:38,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 03:47:38,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (1/1) ... [2019-12-27 03:47:38,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 03:47:38,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 03:47:38,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 03:47:38,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 03:47:38,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (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 [2019-12-27 03:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 03:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 03:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 03:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 03:47:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 03:47:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 03:47:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 03:47:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 03:47:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 03:47:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 03:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 03:47:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 03:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 03:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 03:47:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 03:47:38,192 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 03:47:38,565 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 03:47:38,565 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 03:47:38,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:47:38 BoogieIcfgContainer [2019-12-27 03:47:38,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 03:47:38,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 03:47:38,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 03:47:38,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 03:47:38,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 03:47:37" (1/3) ... [2019-12-27 03:47:38,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1daecb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:47:38, skipping insertion in model container [2019-12-27 03:47:38,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:47:38" (2/3) ... [2019-12-27 03:47:38,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1daecb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:47:38, skipping insertion in model container [2019-12-27 03:47:38,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:47:38" (3/3) ... [2019-12-27 03:47:38,576 INFO L109 eAbstractionObserver]: Analyzing ICFG safe016_tso.opt.i [2019-12-27 03:47:38,587 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 03:47:38,587 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 03:47:38,595 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 03:47:38,596 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 03:47:38,628 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,629 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,629 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,629 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,630 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,630 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,631 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,631 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,631 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,632 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,632 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,632 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,633 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,633 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,633 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,633 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,634 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,634 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,635 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,635 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,635 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,635 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,636 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,636 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,640 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,641 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,647 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,647 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,647 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,648 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,651 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,651 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,651 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,652 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,654 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,654 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,654 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,655 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:47:38,667 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 03:47:38,684 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 03:47:38,684 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 03:47:38,684 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 03:47:38,685 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 03:47:38,685 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 03:47:38,685 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 03:47:38,685 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 03:47:38,685 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 03:47:38,699 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 63 transitions [2019-12-27 03:47:38,701 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-27 03:47:38,751 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-27 03:47:38,752 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 03:47:38,759 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. [2019-12-27 03:47:38,763 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-27 03:47:38,786 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-27 03:47:38,786 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 03:47:38,788 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. [2019-12-27 03:47:38,791 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-27 03:47:38,792 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 03:47:40,781 INFO L206 etLargeBlockEncoding]: Checked pairs total: 749 [2019-12-27 03:47:40,781 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-27 03:47:40,785 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-27 03:47:40,799 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-27 03:47:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-27 03:47:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 03:47:40,809 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:47:40,810 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:47:40,810 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:47:40,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:47:40,817 INFO L82 PathProgramCache]: Analyzing trace with hash 364087523, now seen corresponding path program 1 times [2019-12-27 03:47:40,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:47:40,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455884546] [2019-12-27 03:47:40,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:47:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:47:41,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:47:41,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455884546] [2019-12-27 03:47:41,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:47:41,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 03:47:41,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530367833] [2019-12-27 03:47:41,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:47:41,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:47:41,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:47:41,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:47:41,136 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-27 03:47:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:47:41,182 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-27 03:47:41,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:47:41,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 03:47:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:47:41,215 INFO L225 Difference]: With dead ends: 86 [2019-12-27 03:47:41,215 INFO L226 Difference]: Without dead ends: 70 [2019-12-27 03:47:41,217 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 [2019-12-27 03:47:41,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-27 03:47:41,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-27 03:47:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-27 03:47:41,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-27 03:47:41,267 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-27 03:47:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:47:41,268 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-27 03:47:41,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:47:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-27 03:47:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 03:47:41,270 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:47:41,270 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:47:41,271 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:47:41,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:47:41,271 INFO L82 PathProgramCache]: Analyzing trace with hash -662886856, now seen corresponding path program 1 times [2019-12-27 03:47:41,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:47:41,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002688118] [2019-12-27 03:47:41,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:47:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:47:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:47:41,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002688118] [2019-12-27 03:47:41,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:47:41,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:47:41,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304206299] [2019-12-27 03:47:41,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 03:47:41,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:47:41,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 03:47:41,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 03:47:41,375 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-27 03:47:41,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:47:41,431 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-27 03:47:41,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 03:47:41,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 03:47:41,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:47:41,438 INFO L225 Difference]: With dead ends: 84 [2019-12-27 03:47:41,438 INFO L226 Difference]: Without dead ends: 54 [2019-12-27 03:47:41,439 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 [2019-12-27 03:47:41,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-27 03:47:41,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-27 03:47:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-27 03:47:41,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-27 03:47:41,456 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-27 03:47:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:47:41,456 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-27 03:47:41,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 03:47:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-27 03:47:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 03:47:41,462 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:47:41,462 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:47:41,462 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:47:41,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:47:41,463 INFO L82 PathProgramCache]: Analyzing trace with hash 2027029566, now seen corresponding path program 1 times [2019-12-27 03:47:41,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:47:41,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761085098] [2019-12-27 03:47:41,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:47:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:47:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:47:41,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761085098] [2019-12-27 03:47:41,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:47:41,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 03:47:41,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435773849] [2019-12-27 03:47:41,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 03:47:41,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:47:41,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 03:47:41,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 03:47:41,562 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 4 states. [2019-12-27 03:47:41,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:47:41,621 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-27 03:47:41,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 03:47:41,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-27 03:47:41,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:47:41,623 INFO L225 Difference]: With dead ends: 70 [2019-12-27 03:47:41,623 INFO L226 Difference]: Without dead ends: 46 [2019-12-27 03:47:41,623 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 [2019-12-27 03:47:41,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-27 03:47:41,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-27 03:47:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-27 03:47:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-27 03:47:41,639 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-27 03:47:41,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:47:41,639 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-27 03:47:41,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 03:47:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-27 03:47:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 03:47:41,644 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:47:41,644 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:47:41,645 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:47:41,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:47:41,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1995753728, now seen corresponding path program 1 times [2019-12-27 03:47:41,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:47:41,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361256232] [2019-12-27 03:47:41,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:47:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:47:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:47:41,743 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361256232] [2019-12-27 03:47:41,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:47:41,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:47:41,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431795439] [2019-12-27 03:47:41,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:47:41,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:47:41,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:47:41,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:47:41,745 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-27 03:47:41,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:47:41,768 INFO L93 Difference]: Finished difference Result 46 states and 75 transitions. [2019-12-27 03:47:41,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:47:41,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 03:47:41,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:47:41,769 INFO L225 Difference]: With dead ends: 46 [2019-12-27 03:47:41,769 INFO L226 Difference]: Without dead ends: 28 [2019-12-27 03:47:41,770 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 [2019-12-27 03:47:41,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-27 03:47:41,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-27 03:47:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-27 03:47:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2019-12-27 03:47:41,780 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 12 [2019-12-27 03:47:41,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:47:41,780 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-12-27 03:47:41,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:47:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2019-12-27 03:47:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 03:47:41,782 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:47:41,782 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:47:41,782 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:47:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:47:41,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1738823299, now seen corresponding path program 1 times [2019-12-27 03:47:41,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:47:41,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798177502] [2019-12-27 03:47:41,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:47:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:47:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:47:41,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798177502] [2019-12-27 03:47:41,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:47:41,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 03:47:41,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974039764] [2019-12-27 03:47:41,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:47:41,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:47:41,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:47:41,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:47:41,881 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand 3 states. [2019-12-27 03:47:41,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:47:41,889 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2019-12-27 03:47:41,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:47:41,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 03:47:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:47:41,890 INFO L225 Difference]: With dead ends: 27 [2019-12-27 03:47:41,890 INFO L226 Difference]: Without dead ends: 21 [2019-12-27 03:47:41,892 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 [2019-12-27 03:47:41,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-27 03:47:41,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-27 03:47:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-27 03:47:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-12-27 03:47:41,896 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2019-12-27 03:47:41,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:47:41,897 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-12-27 03:47:41,897 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:47:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-12-27 03:47:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 03:47:41,897 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:47:41,898 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:47:41,898 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:47:41,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:47:41,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1277298007, now seen corresponding path program 1 times [2019-12-27 03:47:41,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:47:41,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595704478] [2019-12-27 03:47:41,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:47:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:47:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:47:41,941 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595704478] [2019-12-27 03:47:41,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:47:41,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:47:41,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347454708] [2019-12-27 03:47:41,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 03:47:41,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:47:41,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 03:47:41,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 03:47:41,943 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand 4 states. [2019-12-27 03:47:41,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:47:41,960 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-12-27 03:47:41,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 03:47:41,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 03:47:41,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:47:41,961 INFO L225 Difference]: With dead ends: 20 [2019-12-27 03:47:41,961 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 03:47:41,962 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 [2019-12-27 03:47:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 03:47:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 03:47:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 03:47:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 03:47:41,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-27 03:47:41,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:47:41,963 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 03:47:41,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 03:47:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 03:47:41,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 03:47:41,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 03:47:41 BasicIcfg [2019-12-27 03:47:41,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 03:47:41,970 INFO L168 Benchmark]: Toolchain (without parser) took 4664.38 ms. Allocated memory was 145.8 MB in the beginning and 246.9 MB in the end (delta: 101.2 MB). Free memory was 102.0 MB in the beginning and 190.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-12-27 03:47:41,971 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 03:47:41,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.60 ms. Allocated memory was 145.8 MB in the beginning and 199.8 MB in the end (delta: 54.0 MB). Free memory was 101.6 MB in the beginning and 156.6 MB in the end (delta: -55.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-12-27 03:47:41,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.29 ms. Allocated memory is still 199.8 MB. Free memory was 155.7 MB in the beginning and 153.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 03:47:41,974 INFO L168 Benchmark]: Boogie Preprocessor took 27.03 ms. Allocated memory is still 199.8 MB. Free memory was 153.9 MB in the beginning and 152.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 03:47:41,975 INFO L168 Benchmark]: RCFGBuilder took 436.41 ms. Allocated memory is still 199.8 MB. Free memory was 152.0 MB in the beginning and 130.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-12-27 03:47:41,976 INFO L168 Benchmark]: TraceAbstraction took 3399.65 ms. Allocated memory was 199.8 MB in the beginning and 246.9 MB in the end (delta: 47.2 MB). Free memory was 130.3 MB in the beginning and 190.8 MB in the end (delta: -60.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 03:47:41,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.60 ms. Allocated memory was 145.8 MB in the beginning and 199.8 MB in the end (delta: 54.0 MB). Free memory was 101.6 MB in the beginning and 156.6 MB in the end (delta: -55.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 71.29 ms. Allocated memory is still 199.8 MB. Free memory was 155.7 MB in the beginning and 153.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.03 ms. Allocated memory is still 199.8 MB. Free memory was 153.9 MB in the beginning and 152.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 436.41 ms. Allocated memory is still 199.8 MB. Free memory was 152.0 MB in the beginning and 130.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3399.65 ms. Allocated memory was 199.8 MB in the beginning and 246.9 MB in the end (delta: 47.2 MB). Free memory was 130.3 MB in the beginning and 190.8 MB in the end (delta: -60.6 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: 0.2s, 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: 3.2s, 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, 0.1s 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, 0.4s 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...