/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 23:31:07,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 23:31:07,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 23:31:07,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 23:31:07,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 23:31:07,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 23:31:07,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 23:31:07,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 23:31:07,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 23:31:07,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 23:31:07,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 23:31:07,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 23:31:07,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 23:31:07,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 23:31:07,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 23:31:07,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 23:31:07,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 23:31:07,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 23:31:07,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 23:31:07,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 23:31:07,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 23:31:07,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 23:31:07,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 23:31:07,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 23:31:07,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 23:31:07,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 23:31:07,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 23:31:07,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 23:31:07,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 23:31:07,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 23:31:07,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 23:31:07,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 23:31:07,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 23:31:07,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 23:31:07,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 23:31:07,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 23:31:07,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 23:31:07,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 23:31:07,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 23:31:07,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 23:31:07,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 23:31:07,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-27 23:31:07,691 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 23:31:07,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 23:31:07,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 23:31:07,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 23:31:07,696 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 23:31:07,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 23:31:07,697 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 23:31:07,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 23:31:07,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 23:31:07,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 23:31:07,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 23:31:07,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 23:31:07,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 23:31:07,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 23:31:07,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 23:31:07,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 23:31:07,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 23:31:07,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 23:31:07,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 23:31:07,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 23:31:07,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 23:31:07,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:31:07,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 23:31:07,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 23:31:07,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 23:31:07,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 23:31:07,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 23:31:07,703 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 23:31:07,703 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 23:31:07,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 23:31:07,705 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 23:31:07,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 23:31:07,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 23:31:08,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 23:31:08,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 23:31:08,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 23:31:08,010 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 23:31:08,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2019-12-27 23:31:08,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8314788c2/242932a639ea4ed9bd82fe6a8a080e81/FLAGa006d63fb [2019-12-27 23:31:08,609 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 23:31:08,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2019-12-27 23:31:08,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8314788c2/242932a639ea4ed9bd82fe6a8a080e81/FLAGa006d63fb [2019-12-27 23:31:08,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8314788c2/242932a639ea4ed9bd82fe6a8a080e81 [2019-12-27 23:31:08,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 23:31:08,908 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 23:31:08,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 23:31:08,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 23:31:08,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 23:31:08,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:31:08" (1/1) ... [2019-12-27 23:31:08,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46075e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:08, skipping insertion in model container [2019-12-27 23:31:08,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:31:08" (1/1) ... [2019-12-27 23:31:08,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 23:31:08,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 23:31:09,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:31:09,444 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 23:31:09,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:31:09,586 INFO L208 MainTranslator]: Completed translation [2019-12-27 23:31:09,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09 WrapperNode [2019-12-27 23:31:09,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 23:31:09,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 23:31:09,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 23:31:09,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 23:31:09,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 23:31:09,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 23:31:09,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 23:31:09,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 23:31:09,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (1/1) ... [2019-12-27 23:31:09,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 23:31:09,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 23:31:09,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 23:31:09,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 23:31:09,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (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 23:31:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 23:31:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 23:31:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2019-12-27 23:31:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2019-12-27 23:31:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 23:31:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 23:31:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 23:31:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 23:31:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2019-12-27 23:31:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2019-12-27 23:31:09,731 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 23:31:09,919 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_take_read_lock_returnLabel [2019-12-27 23:31:09,932 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_read_lock_returnLabel [2019-12-27 23:31:10,121 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_take_write_lock_returnLabel [2019-12-27 23:31:10,139 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 23:31:10,139 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-27 23:31:10,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:31:10 BoogieIcfgContainer [2019-12-27 23:31:10,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 23:31:10,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 23:31:10,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 23:31:10,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 23:31:10,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:31:08" (1/3) ... [2019-12-27 23:31:10,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc92e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:31:10, skipping insertion in model container [2019-12-27 23:31:10,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:31:09" (2/3) ... [2019-12-27 23:31:10,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc92e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:31:10, skipping insertion in model container [2019-12-27 23:31:10,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:31:10" (3/3) ... [2019-12-27 23:31:10,149 INFO L109 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2019-12-27 23:31:10,159 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 23:31:10,159 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 23:31:10,166 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 23:31:10,167 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 23:31:10,198 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,198 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,199 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,199 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,199 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,200 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,200 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,201 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,201 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,202 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,202 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,202 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,202 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,203 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,203 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,203 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,204 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,204 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,205 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,205 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,205 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,205 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,206 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,206 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,206 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,207 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,207 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,207 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,208 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,208 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,212 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,213 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,213 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,213 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,213 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,219 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,219 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,219 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,220 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,222 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,223 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,223 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,223 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,223 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,226 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,226 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,227 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,227 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:31:10,270 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 23:31:10,290 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:31:10,291 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:31:10,291 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:31:10,291 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:31:10,291 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:31:10,291 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:31:10,292 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:31:10,292 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:31:10,304 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 96 transitions [2019-12-27 23:31:12,116 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22597 states. [2019-12-27 23:31:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 22597 states. [2019-12-27 23:31:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-27 23:31:12,130 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:31:12,131 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:31:12,132 INFO L410 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:31:12,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:31:12,137 INFO L82 PathProgramCache]: Analyzing trace with hash 171064816, now seen corresponding path program 1 times [2019-12-27 23:31:12,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:31:12,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451662353] [2019-12-27 23:31:12,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:31:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:31:12,479 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 23:31:12,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451662353] [2019-12-27 23:31:12,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:31:12,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 23:31:12,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [19753909] [2019-12-27 23:31:12,483 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:31:12,491 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:31:12,511 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 25 states and 24 transitions. [2019-12-27 23:31:12,512 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:31:12,516 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:31:12,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 23:31:12,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:31:12,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 23:31:12,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 23:31:12,536 INFO L87 Difference]: Start difference. First operand 22597 states. Second operand 4 states. [2019-12-27 23:31:14,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:31:14,379 INFO L93 Difference]: Finished difference Result 53211 states and 199743 transitions. [2019-12-27 23:31:14,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 23:31:14,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-27 23:31:14,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:31:14,724 INFO L225 Difference]: With dead ends: 53211 [2019-12-27 23:31:14,724 INFO L226 Difference]: Without dead ends: 38181 [2019-12-27 23:31:14,727 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 23:31:15,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38181 states. [2019-12-27 23:31:15,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38181 to 20682. [2019-12-27 23:31:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20682 states. [2019-12-27 23:31:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20682 states to 20682 states and 79026 transitions. [2019-12-27 23:31:16,303 INFO L78 Accepts]: Start accepts. Automaton has 20682 states and 79026 transitions. Word has length 24 [2019-12-27 23:31:16,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:31:16,303 INFO L462 AbstractCegarLoop]: Abstraction has 20682 states and 79026 transitions. [2019-12-27 23:31:16,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 23:31:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 20682 states and 79026 transitions. [2019-12-27 23:31:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 23:31:16,307 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:31:16,308 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:31:16,308 INFO L410 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:31:16,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:31:16,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1185087953, now seen corresponding path program 1 times [2019-12-27 23:31:16,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:31:16,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985377974] [2019-12-27 23:31:16,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:31:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:31:16,415 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 23:31:16,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985377974] [2019-12-27 23:31:16,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:31:16,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 23:31:16,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1373961386] [2019-12-27 23:31:16,417 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:31:16,420 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:31:16,424 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 30 states and 32 transitions. [2019-12-27 23:31:16,424 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:31:16,431 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 23:31:16,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 23:31:16,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:31:16,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 23:31:16,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 23:31:16,434 INFO L87 Difference]: Start difference. First operand 20682 states and 79026 transitions. Second operand 4 states. [2019-12-27 23:31:16,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:31:16,814 INFO L93 Difference]: Finished difference Result 34710 states and 123713 transitions. [2019-12-27 23:31:16,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 23:31:16,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-27 23:31:16,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:31:16,969 INFO L225 Difference]: With dead ends: 34710 [2019-12-27 23:31:16,969 INFO L226 Difference]: Without dead ends: 34350 [2019-12-27 23:31:16,970 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 23:31:18,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34350 states. [2019-12-27 23:31:19,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34350 to 22665. [2019-12-27 23:31:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22665 states. [2019-12-27 23:31:19,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22665 states to 22665 states and 81887 transitions. [2019-12-27 23:31:19,163 INFO L78 Accepts]: Start accepts. Automaton has 22665 states and 81887 transitions. Word has length 26 [2019-12-27 23:31:19,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:31:19,164 INFO L462 AbstractCegarLoop]: Abstraction has 22665 states and 81887 transitions. [2019-12-27 23:31:19,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 23:31:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 22665 states and 81887 transitions. [2019-12-27 23:31:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 23:31:19,166 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:31:19,166 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:31:19,167 INFO L410 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:31:19,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:31:19,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1682289927, now seen corresponding path program 2 times [2019-12-27 23:31:19,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:31:19,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130400763] [2019-12-27 23:31:19,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:31:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:31:19,227 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 23:31:19,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130400763] [2019-12-27 23:31:19,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:31:19,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:31:19,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [414073158] [2019-12-27 23:31:19,229 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:31:19,232 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:31:19,235 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 36 transitions. [2019-12-27 23:31:19,236 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:31:19,247 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-27 23:31:19,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:31:19,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:31:19,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:31:19,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:31:19,249 INFO L87 Difference]: Start difference. First operand 22665 states and 81887 transitions. Second operand 3 states. [2019-12-27 23:31:19,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:31:19,340 INFO L93 Difference]: Finished difference Result 13473 states and 45020 transitions. [2019-12-27 23:31:19,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:31:19,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-27 23:31:19,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:31:19,386 INFO L225 Difference]: With dead ends: 13473 [2019-12-27 23:31:19,387 INFO L226 Difference]: Without dead ends: 12993 [2019-12-27 23:31:19,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 23:31:19,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12993 states. [2019-12-27 23:31:19,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12993 to 12993. [2019-12-27 23:31:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12993 states. [2019-12-27 23:31:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12993 states to 12993 states and 43428 transitions. [2019-12-27 23:31:20,074 INFO L78 Accepts]: Start accepts. Automaton has 12993 states and 43428 transitions. Word has length 26 [2019-12-27 23:31:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:31:20,074 INFO L462 AbstractCegarLoop]: Abstraction has 12993 states and 43428 transitions. [2019-12-27 23:31:20,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:31:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 12993 states and 43428 transitions. [2019-12-27 23:31:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-27 23:31:20,078 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:31:20,078 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:31:20,078 INFO L410 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:31:20,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:31:20,079 INFO L82 PathProgramCache]: Analyzing trace with hash 955087454, now seen corresponding path program 1 times [2019-12-27 23:31:20,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:31:20,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677121190] [2019-12-27 23:31:20,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:31:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:31:20,161 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 23:31:20,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677121190] [2019-12-27 23:31:20,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:31:20,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 23:31:20,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [763719708] [2019-12-27 23:31:20,162 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:31:20,166 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:31:20,169 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 31 states and 30 transitions. [2019-12-27 23:31:20,170 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:31:20,170 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:31:20,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 23:31:20,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:31:20,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 23:31:20,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 23:31:20,172 INFO L87 Difference]: Start difference. First operand 12993 states and 43428 transitions. Second operand 4 states. [2019-12-27 23:31:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:31:20,314 INFO L93 Difference]: Finished difference Result 14325 states and 47561 transitions. [2019-12-27 23:31:20,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 23:31:20,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-27 23:31:20,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:31:20,337 INFO L225 Difference]: With dead ends: 14325 [2019-12-27 23:31:20,337 INFO L226 Difference]: Without dead ends: 8832 [2019-12-27 23:31:20,338 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 23:31:20,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8832 states. [2019-12-27 23:31:20,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8832 to 7335. [2019-12-27 23:31:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7335 states. [2019-12-27 23:31:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 23841 transitions. [2019-12-27 23:31:20,550 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 23841 transitions. Word has length 30 [2019-12-27 23:31:20,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:31:20,552 INFO L462 AbstractCegarLoop]: Abstraction has 7335 states and 23841 transitions. [2019-12-27 23:31:20,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 23:31:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 23841 transitions. [2019-12-27 23:31:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-27 23:31:20,558 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:31:20,558 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:31:20,558 INFO L410 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:31:20,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:31:20,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1096397296, now seen corresponding path program 1 times [2019-12-27 23:31:20,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:31:20,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20176217] [2019-12-27 23:31:20,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:31:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:31:20,626 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 23:31:20,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20176217] [2019-12-27 23:31:20,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:31:20,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 23:31:20,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1484444713] [2019-12-27 23:31:20,627 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:31:20,633 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:31:20,647 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 87 states and 133 transitions. [2019-12-27 23:31:20,648 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:31:20,673 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-27 23:31:20,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 23:31:20,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:31:20,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 23:31:20,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-27 23:31:20,674 INFO L87 Difference]: Start difference. First operand 7335 states and 23841 transitions. Second operand 7 states. [2019-12-27 23:31:20,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:31:20,846 INFO L93 Difference]: Finished difference Result 9711 states and 30955 transitions. [2019-12-27 23:31:20,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 23:31:20,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2019-12-27 23:31:20,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:31:20,866 INFO L225 Difference]: With dead ends: 9711 [2019-12-27 23:31:20,866 INFO L226 Difference]: Without dead ends: 8658 [2019-12-27 23:31:20,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-27 23:31:20,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8658 states. [2019-12-27 23:31:21,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8658 to 6930. [2019-12-27 23:31:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6930 states. [2019-12-27 23:31:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 22389 transitions. [2019-12-27 23:31:21,072 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 22389 transitions. Word has length 38 [2019-12-27 23:31:21,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:31:21,072 INFO L462 AbstractCegarLoop]: Abstraction has 6930 states and 22389 transitions. [2019-12-27 23:31:21,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 23:31:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 22389 transitions. [2019-12-27 23:31:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-27 23:31:21,078 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:31:21,078 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:31:21,078 INFO L410 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:31:21,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:31:21,079 INFO L82 PathProgramCache]: Analyzing trace with hash -2090567524, now seen corresponding path program 2 times [2019-12-27 23:31:21,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:31:21,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278999549] [2019-12-27 23:31:21,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:31:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:31:21,248 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2019-12-27 23:31:21,264 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 23:31:21,266 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278999549] [2019-12-27 23:31:21,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:31:21,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 23:31:21,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1760790498] [2019-12-27 23:31:21,266 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:31:21,274 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:31:21,288 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 84 states and 128 transitions. [2019-12-27 23:31:21,288 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:31:21,302 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-27 23:31:21,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 23:31:21,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:31:21,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 23:31:21,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 23:31:21,304 INFO L87 Difference]: Start difference. First operand 6930 states and 22389 transitions. Second operand 5 states. [2019-12-27 23:31:21,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:31:21,342 INFO L93 Difference]: Finished difference Result 2034 states and 5309 transitions. [2019-12-27 23:31:21,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 23:31:21,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-12-27 23:31:21,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:31:21,343 INFO L225 Difference]: With dead ends: 2034 [2019-12-27 23:31:21,344 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 23:31:21,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 23:31:21,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 23:31:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 23:31:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 23:31:21,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 23:31:21,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2019-12-27 23:31:21,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:31:21,345 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 23:31:21,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 23:31:21,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 23:31:21,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 23:31:21,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:31:21 BasicIcfg [2019-12-27 23:31:21,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 23:31:21,354 INFO L168 Benchmark]: Toolchain (without parser) took 12446.20 ms. Allocated memory was 146.8 MB in the beginning and 876.1 MB in the end (delta: 729.3 MB). Free memory was 101.7 MB in the beginning and 516.2 MB in the end (delta: -414.4 MB). Peak memory consumption was 314.8 MB. Max. memory is 7.1 GB. [2019-12-27 23:31:21,355 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 23:31:21,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.84 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 162.6 MB in the end (delta: -61.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-27 23:31:21,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.37 ms. Allocated memory is still 203.4 MB. Free memory was 162.6 MB in the beginning and 160.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 23:31:21,357 INFO L168 Benchmark]: Boogie Preprocessor took 25.81 ms. Allocated memory is still 203.4 MB. Free memory was 160.0 MB in the beginning and 158.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 23:31:21,358 INFO L168 Benchmark]: RCFGBuilder took 473.57 ms. Allocated memory is still 203.4 MB. Free memory was 158.7 MB in the beginning and 137.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-12-27 23:31:21,359 INFO L168 Benchmark]: TraceAbstraction took 11210.27 ms. Allocated memory was 203.4 MB in the beginning and 876.1 MB in the end (delta: 672.7 MB). Free memory was 137.2 MB in the beginning and 516.2 MB in the end (delta: -379.0 MB). Peak memory consumption was 293.6 MB. Max. memory is 7.1 GB. [2019-12-27 23:31:21,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.84 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 162.6 MB in the end (delta: -61.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.37 ms. Allocated memory is still 203.4 MB. Free memory was 162.6 MB in the beginning and 160.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.81 ms. Allocated memory is still 203.4 MB. Free memory was 160.0 MB in the beginning and 158.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 473.57 ms. Allocated memory is still 203.4 MB. Free memory was 158.7 MB in the beginning and 137.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11210.27 ms. Allocated memory was 203.4 MB in the beginning and 876.1 MB in the end (delta: 672.7 MB). Free memory was 137.2 MB in the beginning and 516.2 MB in the end (delta: -379.0 MB). Peak memory consumption was 293.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: 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 3 procedures, 66 locations, 1 error locations. Result: SAFE, OverallTime: 11.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 831 SDtfs, 649 SDslu, 1283 SDs, 0 SdLazy, 224 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22665occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 32409 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 10808 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...