/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 14:46:17,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 14:46:17,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 14:46:17,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 14:46:17,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 14:46:17,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 14:46:17,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 14:46:17,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 14:46:17,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 14:46:17,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 14:46:17,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 14:46:17,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 14:46:17,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 14:46:17,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 14:46:17,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 14:46:17,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 14:46:17,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 14:46:18,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 14:46:18,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 14:46:18,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 14:46:18,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 14:46:18,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 14:46:18,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 14:46:18,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 14:46:18,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 14:46:18,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 14:46:18,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 14:46:18,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 14:46:18,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 14:46:18,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 14:46:18,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 14:46:18,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 14:46:18,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 14:46:18,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 14:46:18,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 14:46:18,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 14:46:18,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 14:46:18,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 14:46:18,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 14:46:18,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 14:46:18,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 14:46:18,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 14:46:18,034 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 14:46:18,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 14:46:18,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 14:46:18,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 14:46:18,036 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 14:46:18,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 14:46:18,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 14:46:18,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 14:46:18,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 14:46:18,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 14:46:18,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 14:46:18,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 14:46:18,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 14:46:18,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 14:46:18,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 14:46:18,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 14:46:18,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 14:46:18,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 14:46:18,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 14:46:18,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 14:46:18,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 14:46:18,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 14:46:18,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 14:46:18,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 14:46:18,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 14:46:18,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 14:46:18,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 14:46:18,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 14:46:18,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 14:46:18,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 14:46:18,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 14:46:18,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 14:46:18,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 14:46:18,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 14:46:18,349 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 14:46:18,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i [2019-12-18 14:46:18,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc571505/8b5926eaaa3549c8b78dc67d3efbb994/FLAG5a2b30781 [2019-12-18 14:46:19,030 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 14:46:19,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i [2019-12-18 14:46:19,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc571505/8b5926eaaa3549c8b78dc67d3efbb994/FLAG5a2b30781 [2019-12-18 14:46:19,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc571505/8b5926eaaa3549c8b78dc67d3efbb994 [2019-12-18 14:46:19,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 14:46:19,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 14:46:19,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 14:46:19,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 14:46:19,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 14:46:19,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:46:19" (1/1) ... [2019-12-18 14:46:19,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338e9858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:19, skipping insertion in model container [2019-12-18 14:46:19,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:46:19" (1/1) ... [2019-12-18 14:46:19,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 14:46:19,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 14:46:19,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:46:19,940 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 14:46:20,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:46:20,097 INFO L208 MainTranslator]: Completed translation [2019-12-18 14:46:20,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20 WrapperNode [2019-12-18 14:46:20,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 14:46:20,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 14:46:20,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 14:46:20,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 14:46:20,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 14:46:20,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 14:46:20,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 14:46:20,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 14:46:20,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... [2019-12-18 14:46:20,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 14:46:20,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 14:46:20,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 14:46:20,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 14:46:20,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 14:46:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 14:46:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 14:46:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 14:46:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 14:46:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 14:46:20,248 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 14:46:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 14:46:20,249 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 14:46:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 14:46:20,250 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 14:46:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 14:46:20,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 14:46:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 14:46:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 14:46:20,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 14:46:20,254 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 14:46:20,645 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 14:46:20,646 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 14:46:20,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:46:20 BoogieIcfgContainer [2019-12-18 14:46:20,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 14:46:20,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 14:46:20,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 14:46:20,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 14:46:20,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:46:19" (1/3) ... [2019-12-18 14:46:20,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7059ae72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:46:20, skipping insertion in model container [2019-12-18 14:46:20,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:46:20" (2/3) ... [2019-12-18 14:46:20,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7059ae72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:46:20, skipping insertion in model container [2019-12-18 14:46:20,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:46:20" (3/3) ... [2019-12-18 14:46:20,656 INFO L109 eAbstractionObserver]: Analyzing ICFG safe016_tso.opt.i [2019-12-18 14:46:20,666 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 14:46:20,667 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 14:46:20,674 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 14:46:20,675 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 14:46:20,706 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,706 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,707 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,707 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,707 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,708 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,708 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,708 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,709 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,709 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,709 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,710 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,710 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,710 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,710 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,711 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,711 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,711 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,712 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,712 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,712 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,712 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,713 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,713 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,717 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,718 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,718 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,718 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,724 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,724 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,724 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,725 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,727 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,728 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,728 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,728 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,731 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,731 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,731 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,732 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:46:20,750 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 14:46:20,771 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 14:46:20,771 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 14:46:20,772 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 14:46:20,772 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 14:46:20,772 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 14:46:20,772 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 14:46:20,772 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 14:46:20,772 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 14:46:20,787 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 63 transitions [2019-12-18 14:46:20,789 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-18 14:46:20,832 INFO L126 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-18 14:46:20,833 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:46:20,839 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. 12/69 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 14:46:20,842 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-18 14:46:20,861 INFO L126 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-18 14:46:20,861 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:46:20,862 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. 12/69 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 14:46:20,869 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 14:46:20,870 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 14:46:22,868 INFO L206 etLargeBlockEncoding]: Checked pairs total: 749 [2019-12-18 14:46:22,868 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-18 14:46:22,872 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-18 14:46:22,887 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-18 14:46:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-18 14:46:22,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 14:46:22,898 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:46:22,899 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:46:22,899 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:46:22,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:46:22,906 INFO L82 PathProgramCache]: Analyzing trace with hash 364087523, now seen corresponding path program 1 times [2019-12-18 14:46:22,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:46:22,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84995830] [2019-12-18 14:46:22,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:46:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:46:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:46:23,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84995830] [2019-12-18 14:46:23,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:46:23,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 14:46:23,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267553767] [2019-12-18 14:46:23,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:46:23,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:46:23,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:46:23,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:46:23,180 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-18 14:46:23,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:46:23,214 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-18 14:46:23,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:46:23,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 14:46:23,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:46:23,230 INFO L225 Difference]: With dead ends: 86 [2019-12-18 14:46:23,230 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 14:46:23,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:46:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 14:46:23,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 14:46:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 14:46:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 14:46:23,278 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 14:46:23,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:46:23,279 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 14:46:23,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:46:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 14:46:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 14:46:23,281 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:46:23,281 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:46:23,281 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:46:23,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:46:23,282 INFO L82 PathProgramCache]: Analyzing trace with hash -662886856, now seen corresponding path program 1 times [2019-12-18 14:46:23,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:46:23,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105067793] [2019-12-18 14:46:23,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:46:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:46:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:46:23,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105067793] [2019-12-18 14:46:23,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:46:23,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:46:23,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413588763] [2019-12-18 14:46:23,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:46:23,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:46:23,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:46:23,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:46:23,404 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-18 14:46:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:46:23,446 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-18 14:46:23,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:46:23,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 14:46:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:46:23,448 INFO L225 Difference]: With dead ends: 84 [2019-12-18 14:46:23,448 INFO L226 Difference]: Without dead ends: 54 [2019-12-18 14:46:23,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:46:23,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-18 14:46:23,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-18 14:46:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-18 14:46:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-18 14:46:23,467 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-18 14:46:23,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:46:23,467 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-18 14:46:23,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:46:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-18 14:46:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 14:46:23,468 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:46:23,470 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:46:23,471 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:46:23,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:46:23,471 INFO L82 PathProgramCache]: Analyzing trace with hash 2027029566, now seen corresponding path program 1 times [2019-12-18 14:46:23,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:46:23,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036270606] [2019-12-18 14:46:23,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:46:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:46:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:46:23,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036270606] [2019-12-18 14:46:23,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:46:23,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:46:23,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984088656] [2019-12-18 14:46:23,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:46:23,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:46:23,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:46:23,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:46:23,573 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 4 states. [2019-12-18 14:46:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:46:23,630 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-18 14:46:23,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 14:46:23,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 14:46:23,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:46:23,631 INFO L225 Difference]: With dead ends: 70 [2019-12-18 14:46:23,631 INFO L226 Difference]: Without dead ends: 46 [2019-12-18 14:46:23,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:46:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-18 14:46:23,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-18 14:46:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-18 14:46:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-18 14:46:23,638 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-18 14:46:23,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:46:23,638 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-18 14:46:23,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:46:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-18 14:46:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 14:46:23,640 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:46:23,640 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:46:23,640 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:46:23,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:46:23,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1995753728, now seen corresponding path program 1 times [2019-12-18 14:46:23,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:46:23,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043092225] [2019-12-18 14:46:23,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:46:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:46:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:46:23,682 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043092225] [2019-12-18 14:46:23,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:46:23,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:46:23,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588024297] [2019-12-18 14:46:23,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:46:23,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:46:23,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:46:23,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:46:23,684 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-18 14:46:23,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:46:23,711 INFO L93 Difference]: Finished difference Result 46 states and 75 transitions. [2019-12-18 14:46:23,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:46:23,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 14:46:23,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:46:23,712 INFO L225 Difference]: With dead ends: 46 [2019-12-18 14:46:23,712 INFO L226 Difference]: Without dead ends: 28 [2019-12-18 14:46:23,713 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 [2019-12-18 14:46:23,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-18 14:46:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-18 14:46:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-18 14:46:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2019-12-18 14:46:23,716 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 12 [2019-12-18 14:46:23,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:46:23,717 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-12-18 14:46:23,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:46:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2019-12-18 14:46:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 14:46:23,718 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:46:23,718 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:46:23,718 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:46:23,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:46:23,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1738823299, now seen corresponding path program 1 times [2019-12-18 14:46:23,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:46:23,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786005868] [2019-12-18 14:46:23,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:46:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:46:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:46:23,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786005868] [2019-12-18 14:46:23,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:46:23,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 14:46:23,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092930426] [2019-12-18 14:46:23,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:46:23,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:46:23,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:46:23,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:46:23,762 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand 3 states. [2019-12-18 14:46:23,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:46:23,767 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2019-12-18 14:46:23,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:46:23,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-18 14:46:23,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:46:23,768 INFO L225 Difference]: With dead ends: 27 [2019-12-18 14:46:23,768 INFO L226 Difference]: Without dead ends: 21 [2019-12-18 14:46:23,769 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:46:23,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-18 14:46:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-18 14:46:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-18 14:46:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-12-18 14:46:23,772 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2019-12-18 14:46:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:46:23,772 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-12-18 14:46:23,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:46:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-12-18 14:46:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 14:46:23,773 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:46:23,773 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:46:23,773 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:46:23,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:46:23,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1277298007, now seen corresponding path program 1 times [2019-12-18 14:46:23,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:46:23,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940738618] [2019-12-18 14:46:23,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:46:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:46:23,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:46:23,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940738618] [2019-12-18 14:46:23,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:46:23,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:46:23,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985612772] [2019-12-18 14:46:23,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:46:23,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:46:23,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:46:23,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:46:23,819 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand 4 states. [2019-12-18 14:46:23,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:46:23,832 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-12-18 14:46:23,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:46:23,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 14:46:23,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:46:23,833 INFO L225 Difference]: With dead ends: 20 [2019-12-18 14:46:23,834 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 14:46:23,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:46:23,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 14:46:23,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 14:46:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 14:46:23,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 14:46:23,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 14:46:23,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:46:23,835 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 14:46:23,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:46:23,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 14:46:23,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 14:46:23,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 02:46:23 BasicIcfg [2019-12-18 14:46:23,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 14:46:23,843 INFO L168 Benchmark]: Toolchain (without parser) took 4501.43 ms. Allocated memory was 145.2 MB in the beginning and 247.5 MB in the end (delta: 102.2 MB). Free memory was 100.2 MB in the beginning and 195.6 MB in the end (delta: -95.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-12-18 14:46:23,843 INFO L168 Benchmark]: CDTParser took 1.89 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 14:46:23,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.10 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.0 MB in the beginning and 159.2 MB in the end (delta: -59.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-18 14:46:23,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.63 ms. Allocated memory is still 202.4 MB. Free memory was 158.6 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 14:46:23,846 INFO L168 Benchmark]: Boogie Preprocessor took 33.46 ms. Allocated memory is still 202.4 MB. Free memory was 156.6 MB in the beginning and 155.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 14:46:23,847 INFO L168 Benchmark]: RCFGBuilder took 461.83 ms. Allocated memory is still 202.4 MB. Free memory was 155.3 MB in the beginning and 133.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-12-18 14:46:23,848 INFO L168 Benchmark]: TraceAbstraction took 3191.50 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 133.1 MB in the beginning and 195.6 MB in the end (delta: -62.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 14:46:23,852 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.10 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.0 MB in the beginning and 159.2 MB in the end (delta: -59.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.63 ms. Allocated memory is still 202.4 MB. Free memory was 158.6 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.46 ms. Allocated memory is still 202.4 MB. Free memory was 156.6 MB in the beginning and 155.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 461.83 ms. Allocated memory is still 202.4 MB. Free memory was 155.3 MB in the beginning and 133.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3191.50 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 133.1 MB in the beginning and 195.6 MB in the end (delta: -62.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.0s, 75 ProgramPointsBefore, 27 ProgramPointsAfterwards, 63 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 363 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 19 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 749 CheckedPairsTotal, 49 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 63 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 38 SDslu, 63 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...