/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:09:24,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:09:24,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:09:24,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-13 00:09:24,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-13 00:09:24,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-13 00:09:24,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-13 00:09:24,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-13 00:09:24,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-13 00:09:24,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-13 00:09:24,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-13 00:09:24,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-13 00:09:24,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-13 00:09:24,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-13 00:09:24,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-13 00:09:24,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-13 00:09:24,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-13 00:09:24,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-13 00:09:24,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-13 00:09:24,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-13 00:09:24,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-13 00:09:24,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-13 00:09:24,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-13 00:09:24,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-13 00:09:24,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-13 00:09:24,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-13 00:09:24,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-13 00:09:24,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-13 00:09:24,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-13 00:09:24,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-13 00:09:24,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-13 00:09:24,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-13 00:09:24,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-13 00:09:24,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-13 00:09:24,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-13 00:09:24,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-13 00:09:24,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-13 00:09:24,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-13 00:09:24,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:09:24,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:09:24,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:09:24,917 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-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:09:24,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:09:24,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:09:24,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:09:24,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:09:24,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:09:24,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:09:24,955 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:09:24,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:09:24,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:09:24,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:09:24,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:09:24,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:09:24,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:09:24,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:09:24,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:09:24,957 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:09:24,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:09:24,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:09:24,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:09:24,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:09:24,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:09:24,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:09:24,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:09:24,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:09:24,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:09:24,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:09:24,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:09:24,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:09:24,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:09:24,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:09:24,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:09:24,958 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:09:24,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:09:25,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:09:25,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:09:25,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:09:25,217 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 00:09:25,218 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 00:09:25,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl [2021-03-13 00:09:25,219 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl' [2021-03-13 00:09:25,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:09:25,407 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 00:09:25,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:09:25,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:09:25,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:09:25,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:09:25,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:09:25,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:09:25,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:09:25,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/1) ... [2021-03-13 00:09:25,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:09:25,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:09:25,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:09:25,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:09:25,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (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 [2021-03-13 00:09:25,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-03-13 00:09:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-13 00:09:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-13 00:09:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:09:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:09:25,495 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:09:25,591 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:09:25,591 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 00:09:25,593 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:09:25 BoogieIcfgContainer [2021-03-13 00:09:25,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:09:25,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:09:25,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:09:25,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:09:25,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:25" (1/2) ... [2021-03-13 00:09:25,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6991563 and model type fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:09:25, skipping insertion in model container [2021-03-13 00:09:25,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:09:25" (2/2) ... [2021-03-13 00:09:25,613 INFO L111 eAbstractionObserver]: Analyzing ICFG fork_multiple_times.bpl [2021-03-13 00:09:25,619 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:09:25,619 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:09:25,622 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 00:09:25,623 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:09:25,645 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,646 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,646 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,647 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,647 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,648 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,649 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,655 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,660 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:25,682 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-03-13 00:09:25,693 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-03-13 00:09:25,746 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:09:25,748 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:09:25,748 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:09:25,748 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:09:25,748 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:09:25,748 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:09:25,748 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:09:25,748 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:09:25,759 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:09:25,759 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 22 transitions, 77 flow [2021-03-13 00:09:25,761 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 22 transitions, 77 flow [2021-03-13 00:09:25,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 22 transitions, 77 flow [2021-03-13 00:09:25,776 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-03-13 00:09:25,777 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-13 00:09:25,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20 conditions, 10 events. 0/10 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-13 00:09:25,779 INFO L116 LiptonReduction]: Number of co-enabled transitions 36 [2021-03-13 00:09:25,839 INFO L131 LiptonReduction]: Checked pairs total: 33 [2021-03-13 00:09:25,839 INFO L133 LiptonReduction]: Total number of compositions: 4 [2021-03-13 00:09:25,878 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:09:25 BasicIcfg [2021-03-13 00:09:25,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:09:25,879 INFO L168 Benchmark]: Toolchain (without parser) took 474.60 ms. Allocated memory is still 255.9 MB. Free memory was 236.9 MB in the beginning and 224.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.0 GB. [2021-03-13 00:09:25,880 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 178.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:09:25,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.42 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:09:25,881 INFO L168 Benchmark]: Boogie Preprocessor took 8.62 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 234.0 MB in the end (delta: 745.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:09:25,881 INFO L168 Benchmark]: RCFGBuilder took 157.62 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 226.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-13 00:09:25,882 INFO L168 Benchmark]: TraceAbstraction took 283.20 ms. Allocated memory is still 255.9 MB. Free memory was 225.6 MB in the beginning and 224.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.0 GB. [2021-03-13 00:09:25,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 178.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.42 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 8.62 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 234.0 MB in the end (delta: 745.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 157.62 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 226.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 283.20 ms. Allocated memory is still 255.9 MB. Free memory was 225.6 MB in the beginning and 224.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.3ms, 29 PlacesBefore, 25 PlacesAfterwards, 22 TransitionsBefore, 18 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 33 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - PositiveResult [Line: 27]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 160.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 97.5ms, PartialOrderReductionTime: 28.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...