/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:23:22,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:23:22,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:23:22,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:23:22,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:23:22,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:23:22,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:23:22,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:23:22,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:23:22,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:23:22,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:23:22,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:23:22,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:23:22,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:23:22,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:23:22,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:23:22,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:23:22,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:23:22,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:23:22,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:23:22,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:23:22,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:23:22,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:23:22,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:23:22,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 01:23:22,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:23:22,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:23:22,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:23:22,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:23:22,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:23:22,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:23:22,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:23:22,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:23:22,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:23:22,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:23:22,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:23:22,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:23:22,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:23:22,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:23:22,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:23:22,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:23:22,608 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:23:22,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:23:22,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:23:22,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:23:22,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:23:22,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:23:22,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:23:22,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:23:22,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:23:22,610 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:23:22,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:23:22,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:23:22,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:23:22,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:23:22,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:23:22,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:23:22,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:23:22,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:23:22,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:23:22,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:23:22,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:23:22,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:23:22,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:23:22,613 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:23:22,613 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:23:22,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:23:22,613 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:23:22,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:23:23,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:23:23,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:23:23,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:23:23,022 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:23:23,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2020-10-22 01:23:23,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c7383167/4c9b5418cc964906bf476ae80f1fac2c/FLAG44774fe9e [2020-10-22 01:23:23,617 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:23:23,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2020-10-22 01:23:23,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c7383167/4c9b5418cc964906bf476ae80f1fac2c/FLAG44774fe9e [2020-10-22 01:23:23,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c7383167/4c9b5418cc964906bf476ae80f1fac2c [2020-10-22 01:23:23,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:23:23,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:23:23,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:23:23,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:23:23,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:23:23,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:23:23" (1/1) ... [2020-10-22 01:23:23,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b70dc43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:23, skipping insertion in model container [2020-10-22 01:23:23,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:23:23" (1/1) ... [2020-10-22 01:23:23,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:23:24,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:23:24,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:23:24,707 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:23:24,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:23:24,881 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:23:24,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24 WrapperNode [2020-10-22 01:23:24,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:23:24,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:23:24,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:23:24,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:23:24,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:23:24,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:23:24,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:23:24,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:23:24,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (1/1) ... [2020-10-22 01:23:24,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:23:24,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:23:24,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:23:24,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:23:24,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (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 [2020-10-22 01:23:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-22 01:23:25,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-22 01:23:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:23:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:23:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:23:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:23:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:23:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:23:25,059 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:23:25,515 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:23:25,515 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-22 01:23:25,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:23:25 BoogieIcfgContainer [2020-10-22 01:23:25,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:23:25,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:23:25,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:23:25,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:23:25,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:23:23" (1/3) ... [2020-10-22 01:23:25,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9814f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:23:25, skipping insertion in model container [2020-10-22 01:23:25,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:23:24" (2/3) ... [2020-10-22 01:23:25,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9814f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:23:25, skipping insertion in model container [2020-10-22 01:23:25,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:23:25" (3/3) ... [2020-10-22 01:23:25,527 INFO L111 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2020-10-22 01:23:25,540 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:23:25,540 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:23:25,549 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 01:23:25,550 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:23:25,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:23:25,585 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:23:25,599 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 01:23:25,620 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:23:25,620 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:23:25,620 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:23:25,620 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:23:25,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:23:25,621 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:23:25,621 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:23:25,621 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:23:25,634 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:23:25,635 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 48 transitions, 101 flow [2020-10-22 01:23:25,638 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 48 transitions, 101 flow [2020-10-22 01:23:25,640 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 48 transitions, 101 flow [2020-10-22 01:23:25,678 INFO L129 PetriNetUnfolder]: 2/47 cut-off events. [2020-10-22 01:23:25,679 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 01:23:25,684 INFO L80 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 47 events. 2/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place. [2020-10-22 01:23:25,686 INFO L116 LiptonReduction]: Number of co-enabled transitions 300 [2020-10-22 01:23:26,712 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-10-22 01:23:26,872 INFO L131 LiptonReduction]: Checked pairs total: 618 [2020-10-22 01:23:26,872 INFO L133 LiptonReduction]: Total number of compositions: 43 [2020-10-22 01:23:26,879 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 13 transitions, 31 flow [2020-10-22 01:23:26,890 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 30 states. [2020-10-22 01:23:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-22 01:23:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-22 01:23:26,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:23:26,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-22 01:23:26,901 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:23:26,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:23:26,908 INFO L82 PathProgramCache]: Analyzing trace with hash 237470417, now seen corresponding path program 1 times [2020-10-22 01:23:26,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:23:26,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964422630] [2020-10-22 01:23:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:23:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:23:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:23:27,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964422630] [2020-10-22 01:23:27,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:23:27,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:23:27,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1125874191] [2020-10-22 01:23:27,133 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:23:27,137 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:23:27,152 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-22 01:23:27,152 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:23:27,160 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:23:27,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:23:27,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:23:27,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:23:27,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:23:27,180 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2020-10-22 01:23:27,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:23:27,220 INFO L93 Difference]: Finished difference Result 32 states and 46 transitions. [2020-10-22 01:23:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:23:27,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-22 01:23:27,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:23:27,235 INFO L225 Difference]: With dead ends: 32 [2020-10-22 01:23:27,235 INFO L226 Difference]: Without dead ends: 12 [2020-10-22 01:23:27,237 INFO L677 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 [2020-10-22 01:23:27,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-10-22 01:23:27,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-10-22 01:23:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-22 01:23:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2020-10-22 01:23:27,277 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 5 [2020-10-22 01:23:27,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:23:27,277 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2020-10-22 01:23:27,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:23:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-10-22 01:23:27,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 01:23:27,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:23:27,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:23:27,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:23:27,279 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:23:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:23:27,280 INFO L82 PathProgramCache]: Analyzing trace with hash 546803922, now seen corresponding path program 1 times [2020-10-22 01:23:27,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:23:27,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469741560] [2020-10-22 01:23:27,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:23:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:23:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:23:27,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469741560] [2020-10-22 01:23:27,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:23:27,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:23:27,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1999704832] [2020-10-22 01:23:27,397 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:23:27,398 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:23:27,401 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 01:23:27,401 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:23:27,401 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:23:27,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:23:27,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:23:27,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:23:27,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:23:27,404 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2020-10-22 01:23:27,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:23:27,412 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-10-22 01:23:27,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:23:27,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 01:23:27,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:23:27,413 INFO L225 Difference]: With dead ends: 12 [2020-10-22 01:23:27,414 INFO L226 Difference]: Without dead ends: 11 [2020-10-22 01:23:27,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:23:27,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-10-22 01:23:27,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-22 01:23:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-22 01:23:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2020-10-22 01:23:27,417 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2020-10-22 01:23:27,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:23:27,418 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2020-10-22 01:23:27,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:23:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-10-22 01:23:27,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 01:23:27,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:23:27,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:23:27,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:23:27,419 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:23:27,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:23:27,420 INFO L82 PathProgramCache]: Analyzing trace with hash 575778072, now seen corresponding path program 2 times [2020-10-22 01:23:27,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:23:27,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658845671] [2020-10-22 01:23:27,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:23:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:23:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:23:27,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658845671] [2020-10-22 01:23:27,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:23:27,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:23:27,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1863258552] [2020-10-22 01:23:27,473 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:23:27,474 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:23:27,476 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 9 transitions. [2020-10-22 01:23:27,476 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:23:27,495 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:23:27,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:23:27,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:23:27,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:23:27,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:23:27,497 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2020-10-22 01:23:27,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:23:27,510 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2020-10-22 01:23:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:23:27,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-22 01:23:27,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:23:27,511 INFO L225 Difference]: With dead ends: 5 [2020-10-22 01:23:27,512 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 01:23:27,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:23:27,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 01:23:27,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 01:23:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 01:23:27,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 01:23:27,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2020-10-22 01:23:27,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:23:27,514 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 01:23:27,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:23:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 01:23:27,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 01:23:27,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:23:27,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:23:27 BasicIcfg [2020-10-22 01:23:27,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:23:27,522 INFO L168 Benchmark]: Toolchain (without parser) took 3562.90 ms. Allocated memory was 140.5 MB in the beginning and 245.4 MB in the end (delta: 104.9 MB). Free memory was 102.3 MB in the beginning and 183.1 MB in the end (delta: -80.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-10-22 01:23:27,523 INFO L168 Benchmark]: CDTParser took 3.16 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-22 01:23:27,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.29 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 101.4 MB in the beginning and 158.2 MB in the end (delta: -56.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-10-22 01:23:27,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.04 ms. Allocated memory is still 202.4 MB. Free memory was 158.2 MB in the beginning and 155.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:23:27,526 INFO L168 Benchmark]: Boogie Preprocessor took 25.89 ms. Allocated memory is still 202.4 MB. Free memory was 155.6 MB in the beginning and 154.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-22 01:23:27,527 INFO L168 Benchmark]: RCFGBuilder took 540.93 ms. Allocated memory is still 202.4 MB. Free memory was 154.2 MB in the beginning and 123.9 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2020-10-22 01:23:27,528 INFO L168 Benchmark]: TraceAbstraction took 2000.66 ms. Allocated memory was 202.4 MB in the beginning and 245.4 MB in the end (delta: 43.0 MB). Free memory was 123.9 MB in the beginning and 183.1 MB in the end (delta: -59.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-22 01:23:27,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.16 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 918.29 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 101.4 MB in the beginning and 158.2 MB in the end (delta: -56.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.04 ms. Allocated memory is still 202.4 MB. Free memory was 158.2 MB in the beginning and 155.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.89 ms. Allocated memory is still 202.4 MB. Free memory was 155.6 MB in the beginning and 154.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 540.93 ms. Allocated memory is still 202.4 MB. Free memory was 154.2 MB in the beginning and 123.9 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2000.66 ms. Allocated memory was 202.4 MB in the beginning and 245.4 MB in the end (delta: 43.0 MB). Free memory was 123.9 MB in the beginning and 183.1 MB in the end (delta: -59.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 169 VarBasedMoverChecksPositive, 18 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 21 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 50 PlacesBefore, 16 PlacesAfterwards, 48 TransitionsBefore, 13 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 43 TotalNumberOfCompositions, 618 MoverChecksTotal - PositiveResult [Line: 16]: 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 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 22 SDtfs, 9 SDslu, 8 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...