/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 07:44:57,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 07:44:57,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 07:44:57,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 07:44:57,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 07:44:57,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 07:44:57,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 07:44:57,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 07:44:57,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 07:44:57,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 07:44:57,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 07:44:57,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 07:44:57,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 07:44:57,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 07:44:57,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 07:44:57,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 07:44:57,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 07:44:57,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 07:44:57,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 07:44:57,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 07:44:57,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 07:44:57,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 07:44:57,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 07:44:57,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 07:44:57,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 07:44:57,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 07:44:57,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 07:44:57,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 07:44:57,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 07:44:57,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 07:44:57,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 07:44:57,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 07:44:57,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 07:44:57,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 07:44:57,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 07:44:57,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 07:44:57,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 07:44:57,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 07:44:57,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 07:44:57,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 07:44:57,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 07:44:57,107 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-VariableLbe.epf [2019-12-27 07:44:57,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 07:44:57,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 07:44:57,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 07:44:57,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 07:44:57,137 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 07:44:57,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 07:44:57,138 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 07:44:57,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 07:44:57,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 07:44:57,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 07:44:57,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 07:44:57,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 07:44:57,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 07:44:57,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 07:44:57,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 07:44:57,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 07:44:57,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 07:44:57,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 07:44:57,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 07:44:57,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 07:44:57,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 07:44:57,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 07:44:57,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 07:44:57,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 07:44:57,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 07:44:57,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 07:44:57,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 07:44:57,143 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 07:44:57,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 07:44:57,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 07:44:57,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 07:44:57,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 07:44:57,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 07:44:57,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 07:44:57,450 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 07:44:57,451 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i [2019-12-27 07:44:57,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a813838f4/d8aaf2db6c4a4eb3aa55e4e170239930/FLAG65a6faeea [2019-12-27 07:44:58,094 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 07:44:58,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i [2019-12-27 07:44:58,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a813838f4/d8aaf2db6c4a4eb3aa55e4e170239930/FLAG65a6faeea [2019-12-27 07:44:58,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a813838f4/d8aaf2db6c4a4eb3aa55e4e170239930 [2019-12-27 07:44:58,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 07:44:58,357 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 07:44:58,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 07:44:58,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 07:44:58,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 07:44:58,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:44:58" (1/1) ... [2019-12-27 07:44:58,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b25d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:58, skipping insertion in model container [2019-12-27 07:44:58,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:44:58" (1/1) ... [2019-12-27 07:44:58,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 07:44:58,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 07:44:58,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 07:44:59,000 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 07:44:59,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 07:44:59,132 INFO L208 MainTranslator]: Completed translation [2019-12-27 07:44:59,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59 WrapperNode [2019-12-27 07:44:59,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 07:44:59,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 07:44:59,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 07:44:59,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 07:44:59,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 07:44:59,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 07:44:59,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 07:44:59,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 07:44:59,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... [2019-12-27 07:44:59,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 07:44:59,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 07:44:59,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 07:44:59,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 07:44:59,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 07:44:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 07:44:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 07:44:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 07:44:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 07:44:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 07:44:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 07:44:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 07:44:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 07:44:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 07:44:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 07:44:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 07:44:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 07:44:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 07:44:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 07:44:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 07:44:59,305 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 07:44:59,703 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 07:44:59,703 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 07:44:59,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:44:59 BoogieIcfgContainer [2019-12-27 07:44:59,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 07:44:59,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 07:44:59,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 07:44:59,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 07:44:59,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 07:44:58" (1/3) ... [2019-12-27 07:44:59,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13175c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:44:59, skipping insertion in model container [2019-12-27 07:44:59,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:44:59" (2/3) ... [2019-12-27 07:44:59,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13175c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:44:59, skipping insertion in model container [2019-12-27 07:44:59,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:44:59" (3/3) ... [2019-12-27 07:44:59,714 INFO L109 eAbstractionObserver]: Analyzing ICFG safe016_tso.opt.i [2019-12-27 07:44:59,724 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 07:44:59,725 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 07:44:59,733 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 07:44:59,733 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 07:44:59,763 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,764 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,764 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,765 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,765 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,765 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,766 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,766 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,766 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,767 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,767 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,767 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,768 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,768 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,768 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,768 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,769 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,769 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,770 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,770 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,770 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,770 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,771 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,771 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,775 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,775 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,776 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,776 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,783 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,783 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,783 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,783 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,786 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,787 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,787 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,787 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,791 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,792 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,792 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,792 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:44:59,808 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 07:44:59,829 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 07:44:59,829 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 07:44:59,829 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 07:44:59,830 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 07:44:59,830 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 07:44:59,830 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 07:44:59,830 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 07:44:59,830 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 07:44:59,845 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 63 transitions [2019-12-27 07:44:59,847 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-27 07:44:59,893 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-27 07:44:59,893 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 07:44:59,900 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 07:44:59,903 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-27 07:44:59,926 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-27 07:44:59,926 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 07:44:59,928 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 07:44:59,930 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-27 07:44:59,931 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 07:45:01,700 INFO L206 etLargeBlockEncoding]: Checked pairs total: 749 [2019-12-27 07:45:01,701 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-27 07:45:01,705 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-27 07:45:01,722 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-27 07:45:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-27 07:45:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 07:45:01,734 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:45:01,735 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:45:01,735 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:45:01,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:45:01,741 INFO L82 PathProgramCache]: Analyzing trace with hash 364087523, now seen corresponding path program 1 times [2019-12-27 07:45:01,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:45:01,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432481612] [2019-12-27 07:45:01,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:45:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:45:02,107 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 07:45:02,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432481612] [2019-12-27 07:45:02,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:45:02,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 07:45:02,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725815667] [2019-12-27 07:45:02,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 07:45:02,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:45:02,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 07:45:02,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 07:45:02,135 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-27 07:45:02,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:45:02,169 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-27 07:45:02,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 07:45:02,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 07:45:02,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:45:02,184 INFO L225 Difference]: With dead ends: 86 [2019-12-27 07:45:02,185 INFO L226 Difference]: Without dead ends: 70 [2019-12-27 07:45:02,186 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 07:45:02,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-27 07:45:02,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-27 07:45:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-27 07:45:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-27 07:45:02,233 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-27 07:45:02,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:45:02,235 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-27 07:45:02,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 07:45:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-27 07:45:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 07:45:02,239 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:45:02,239 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:45:02,240 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:45:02,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:45:02,240 INFO L82 PathProgramCache]: Analyzing trace with hash -662886856, now seen corresponding path program 1 times [2019-12-27 07:45:02,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:45:02,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158004015] [2019-12-27 07:45:02,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:45:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:45:02,310 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 07:45:02,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158004015] [2019-12-27 07:45:02,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:45:02,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 07:45:02,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247487596] [2019-12-27 07:45:02,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 07:45:02,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:45:02,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 07:45:02,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 07:45:02,315 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-27 07:45:02,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:45:02,353 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-27 07:45:02,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 07:45:02,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 07:45:02,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:45:02,357 INFO L225 Difference]: With dead ends: 84 [2019-12-27 07:45:02,357 INFO L226 Difference]: Without dead ends: 54 [2019-12-27 07:45:02,358 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 07:45:02,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-27 07:45:02,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-27 07:45:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-27 07:45:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-27 07:45:02,374 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-27 07:45:02,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:45:02,374 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-27 07:45:02,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 07:45:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-27 07:45:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 07:45:02,378 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:45:02,378 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:45:02,378 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:45:02,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:45:02,379 INFO L82 PathProgramCache]: Analyzing trace with hash 2027029566, now seen corresponding path program 1 times [2019-12-27 07:45:02,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:45:02,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668145799] [2019-12-27 07:45:02,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:45:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:45:02,442 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 07:45:02,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668145799] [2019-12-27 07:45:02,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:45:02,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 07:45:02,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916756389] [2019-12-27 07:45:02,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 07:45:02,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:45:02,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 07:45:02,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 07:45:02,447 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 4 states. [2019-12-27 07:45:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:45:02,484 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-27 07:45:02,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 07:45:02,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-27 07:45:02,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:45:02,485 INFO L225 Difference]: With dead ends: 70 [2019-12-27 07:45:02,486 INFO L226 Difference]: Without dead ends: 46 [2019-12-27 07:45:02,486 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 07:45:02,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-27 07:45:02,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-27 07:45:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-27 07:45:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-27 07:45:02,492 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-27 07:45:02,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:45:02,493 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-27 07:45:02,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 07:45:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-27 07:45:02,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 07:45:02,494 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:45:02,494 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:45:02,494 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:45:02,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:45:02,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1995753728, now seen corresponding path program 1 times [2019-12-27 07:45:02,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:45:02,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845965470] [2019-12-27 07:45:02,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:45:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:45:02,552 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 07:45:02,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845965470] [2019-12-27 07:45:02,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:45:02,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 07:45:02,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710684777] [2019-12-27 07:45:02,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 07:45:02,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:45:02,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 07:45:02,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 07:45:02,554 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-27 07:45:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:45:02,561 INFO L93 Difference]: Finished difference Result 42 states and 73 transitions. [2019-12-27 07:45:02,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 07:45:02,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 07:45:02,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:45:02,562 INFO L225 Difference]: With dead ends: 42 [2019-12-27 07:45:02,562 INFO L226 Difference]: Without dead ends: 34 [2019-12-27 07:45:02,564 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 07:45:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-27 07:45:02,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-27 07:45:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-27 07:45:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2019-12-27 07:45:02,571 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 12 [2019-12-27 07:45:02,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:45:02,571 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2019-12-27 07:45:02,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 07:45:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2019-12-27 07:45:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 07:45:02,572 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:45:02,572 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:45:02,573 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:45:02,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:45:02,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1621364820, now seen corresponding path program 1 times [2019-12-27 07:45:02,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:45:02,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622772725] [2019-12-27 07:45:02,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:45:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:45:02,644 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 07:45:02,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622772725] [2019-12-27 07:45:02,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:45:02,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 07:45:02,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825907182] [2019-12-27 07:45:02,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 07:45:02,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:45:02,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 07:45:02,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 07:45:02,649 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 4 states. [2019-12-27 07:45:02,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:45:02,672 INFO L93 Difference]: Finished difference Result 41 states and 64 transitions. [2019-12-27 07:45:02,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 07:45:02,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 07:45:02,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:45:02,673 INFO L225 Difference]: With dead ends: 41 [2019-12-27 07:45:02,673 INFO L226 Difference]: Without dead ends: 25 [2019-12-27 07:45:02,673 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 07:45:02,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-27 07:45:02,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-27 07:45:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-27 07:45:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-27 07:45:02,677 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 13 [2019-12-27 07:45:02,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:45:02,677 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-27 07:45:02,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 07:45:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-27 07:45:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 07:45:02,678 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:45:02,678 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:45:02,678 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:45:02,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:45:02,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1930279037, now seen corresponding path program 1 times [2019-12-27 07:45:02,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:45:02,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039351361] [2019-12-27 07:45:02,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:45:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:45:02,718 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 07:45:02,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039351361] [2019-12-27 07:45:02,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:45:02,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 07:45:02,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368689280] [2019-12-27 07:45:02,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 07:45:02,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:45:02,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 07:45:02,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 07:45:02,720 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 3 states. [2019-12-27 07:45:02,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:45:02,728 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-27 07:45:02,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 07:45:02,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 07:45:02,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:45:02,729 INFO L225 Difference]: With dead ends: 24 [2019-12-27 07:45:02,729 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 07:45:02,730 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 07:45:02,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 07:45:02,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 07:45:02,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 07:45:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 07:45:02,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-27 07:45:02,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:45:02,731 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 07:45:02,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 07:45:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 07:45:02,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 07:45:02,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 07:45:02 BasicIcfg [2019-12-27 07:45:02,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 07:45:02,738 INFO L168 Benchmark]: Toolchain (without parser) took 4379.90 ms. Allocated memory was 137.9 MB in the beginning and 246.9 MB in the end (delta: 109.1 MB). Free memory was 100.9 MB in the beginning and 105.1 MB in the end (delta: -4.2 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. [2019-12-27 07:45:02,739 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 07:45:02,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.26 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 157.4 MB in the end (delta: -56.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-12-27 07:45:02,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.64 ms. Allocated memory is still 202.9 MB. Free memory was 157.4 MB in the beginning and 155.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 07:45:02,742 INFO L168 Benchmark]: Boogie Preprocessor took 45.58 ms. Allocated memory is still 202.9 MB. Free memory was 155.4 MB in the beginning and 154.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 07:45:02,743 INFO L168 Benchmark]: RCFGBuilder took 473.00 ms. Allocated memory is still 202.9 MB. Free memory was 154.0 MB in the beginning and 131.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-12-27 07:45:02,744 INFO L168 Benchmark]: TraceAbstraction took 3028.85 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 131.2 MB in the beginning and 105.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 7.1 GB. [2019-12-27 07:45:02,752 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 772.26 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 157.4 MB in the end (delta: -56.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.64 ms. Allocated memory is still 202.9 MB. Free memory was 157.4 MB in the beginning and 155.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.58 ms. Allocated memory is still 202.9 MB. Free memory was 155.4 MB in the beginning and 154.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 473.00 ms. Allocated memory is still 202.9 MB. Free memory was 154.0 MB in the beginning and 131.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3028.85 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 131.2 MB in the beginning and 105.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 75 ProgramPointsBefore, 27 ProgramPointsAfterwards, 63 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 361 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 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: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 91 SDtfs, 44 SDslu, 73 SDs, 0 SdLazy, 33 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, 1742 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...