/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/LBE_bigexample_safe_BA.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:03:04,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:03:04,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:03:04,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 00:03:04,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-13 00:03:04,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-13 00:03:04,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-13 00:03:04,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-13 00:03:04,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-13 00:03:04,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-13 00:03:04,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-13 00:03:04,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2021-03-13 00:03:04,667 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 00:03:04,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:03:04,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:03:04,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:03:04,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:03:04,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:03:04,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:03:04,697 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:03:04,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:03:04,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:03:04,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:03:04,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:03:04,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:03:04,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:03:04,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:03:04,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:03:04,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:03:04,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:03:04,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:03:04,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:03:04,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:03:04,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:03:04,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:03:04,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:03:04,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:03:04,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:03:04,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:03:04,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:03:04,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:03:04,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:03:04,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:03:04,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:03:04,701 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:03:04,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:03:05,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:03:05,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:03:05,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:03:05,039 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 00:03:05,040 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 00:03:05,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl [2021-03-13 00:03:05,041 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl' [2021-03-13 00:03:05,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:03:05,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 00:03:05,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:03:05,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:03:05,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:03:05,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:03:05,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:03:05,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:03:05,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:03:05,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/1) ... [2021-03-13 00:03:05,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:03:05,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:03:05,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:03:05,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:03:05,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (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 00:03:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-03-13 00:03:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-03-13 00:03:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:03:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:03:05,181 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 00:03:05,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:03:05,289 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 00:03:05,290 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:03:05 BoogieIcfgContainer [2021-03-13 00:03:05,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:03:05,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:03:05,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:03:05,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:03:05,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:03:05" (1/2) ... [2021-03-13 00:03:05,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17387dbd and model type LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:03:05, skipping insertion in model container [2021-03-13 00:03:05,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:03:05" (2/2) ... [2021-03-13 00:03:05,296 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_bigexample_safe_BA.bpl [2021-03-13 00:03:05,301 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:03:05,301 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:03:05,304 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2021-03-13 00:03:05,304 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:03:05,402 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-03-13 00:03:05,417 INFO L253 AbstractCegarLoop]: Starting to check reachability of 51 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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:03:05,516 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:03:05,516 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:03:05,516 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:03:05,517 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:03:05,517 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:03:05,517 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:03:05,517 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:03:05,517 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:03:05,542 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:03:05,543 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 106 transitions, 280 flow [2021-03-13 00:03:05,549 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 106 transitions, 280 flow [2021-03-13 00:03:05,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 106 transitions, 280 flow [2021-03-13 00:03:05,625 INFO L129 PetriNetUnfolder]: 17/118 cut-off events. [2021-03-13 00:03:05,625 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-13 00:03:05,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 118 events. 17/118 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 470 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2021-03-13 00:03:05,638 INFO L116 LiptonReduction]: Number of co-enabled transitions 6536 [2021-03-13 00:03:06,456 INFO L131 LiptonReduction]: Checked pairs total: 13001 [2021-03-13 00:03:06,456 INFO L133 LiptonReduction]: Total number of compositions: 117 [2021-03-13 00:03:06,475 INFO L428 AbstractCegarLoop]: === Iteration 1 === [barErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, barErr6ASSERT_VIOLATIONASSERT, barErr2ASSERT_VIOLATIONASSERT, barErr6ASSERT_VIOLATIONASSERT, barErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, barErr7ASSERT_VIOLATIONASSERT, barErr2ASSERT_VIOLATIONASSERT, barErr2ASSERT_VIOLATIONASSERT, barErr2ASSERT_VIOLATIONASSERT, barErr6ASSERT_VIOLATIONASSERT, barErr1ASSERT_VIOLATIONASSERT, barErr3ASSERT_VIOLATIONASSERT, barErr7ASSERT_VIOLATIONASSERT, barErr4ASSERT_VIOLATIONASSERT, barErr7ASSERT_VIOLATIONASSERT, barErr3ASSERT_VIOLATIONASSERT, barErr7ASSERT_VIOLATIONASSERT, barErr3ASSERT_VIOLATIONASSERT, barErr8ASSERT_VIOLATIONASSERT, barErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, barErr3ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3INUSE_VIOLATION, barErr8ASSERT_VIOLATIONASSERT, barErr4ASSERT_VIOLATIONASSERT, barErr7ASSERT_VIOLATIONASSERT, barErr8ASSERT_VIOLATIONASSERT, barErr4ASSERT_VIOLATIONASSERT, barErr8ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr3ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr4ASSERT_VIOLATIONASSERT, barErr4ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr5ASSERT_VIOLATIONASSERT, barErr5ASSERT_VIOLATIONASSERT, barErr6ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, barErr5ASSERT_VIOLATIONASSERT, barErr1ASSERT_VIOLATIONASSERT, barErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, barErr5ASSERT_VIOLATIONASSERT, barErr1ASSERT_VIOLATIONASSERT, barErr1ASSERT_VIOLATIONASSERT, barErr2ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:03:06,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:03:06,480 INFO L82 PathProgramCache]: Analyzing trace with hash 90989, now seen corresponding path program 1 times [2021-03-13 00:03:06,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:03:06,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790519765] [2021-03-13 00:03:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:03:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:03:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:03:06,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790519765] [2021-03-13 00:03:06,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:03:06,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-13 00:03:06,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124989828] [2021-03-13 00:03:06,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:03:06,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:03:06,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:03:06,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:03:06,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:03:06,590 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:03:06,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:03:06,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:03:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:03:06,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 00:03:06,680 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:03:06 BasicIcfg [2021-03-13 00:03:06,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:03:06,681 INFO L168 Benchmark]: Toolchain (without parser) took 1608.14 ms. Allocated memory is still 346.0 MB. Free memory was 325.9 MB in the beginning and 171.8 MB in the end (delta: 154.1 MB). Peak memory consumption was 155.8 MB. Max. memory is 16.0 GB. [2021-03-13 00:03:06,682 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 346.0 MB. Free memory was 326.9 MB in the beginning and 326.9 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:03:06,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.59 ms. Allocated memory is still 346.0 MB. Free memory was 325.4 MB in the beginning and 324.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:03:06,683 INFO L168 Benchmark]: Boogie Preprocessor took 12.69 ms. Allocated memory is still 346.0 MB. Free memory was 324.0 MB in the beginning and 323.1 MB in the end (delta: 870.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:03:06,684 INFO L168 Benchmark]: RCFGBuilder took 167.36 ms. Allocated memory is still 346.0 MB. Free memory was 323.0 MB in the beginning and 313.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-13 00:03:06,684 INFO L168 Benchmark]: TraceAbstraction took 1388.45 ms. Allocated memory is still 346.0 MB. Free memory was 312.6 MB in the beginning and 171.8 MB in the end (delta: 140.8 MB). Peak memory consumption was 141.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:03:06,686 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 0.13 ms. Allocated memory is still 346.0 MB. Free memory was 326.9 MB in the beginning and 326.9 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.59 ms. Allocated memory is still 346.0 MB. Free memory was 325.4 MB in the beginning and 324.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.69 ms. Allocated memory is still 346.0 MB. Free memory was 324.0 MB in the beginning and 323.1 MB in the end (delta: 870.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 167.36 ms. Allocated memory is still 346.0 MB. Free memory was 323.0 MB in the beginning and 313.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1388.45 ms. Allocated memory is still 346.0 MB. Free memory was 312.6 MB in the beginning and 171.8 MB in the end (delta: 140.8 MB). Peak memory consumption was 141.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 908.0ms, 107 PlacesBefore, 70 PlacesAfterwards, 106 TransitionsBefore, 69 TransitionsAfterwards, 6536 CoEnabledTransitionPairs, 6 FixpointIterations, 0 TrivialSequentialCompositions, 117 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 117 TotalNumberOfCompositions, 13001 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13001, positive: 13001, positive conditional: 0, positive unconditional: 13001, 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: 2834, positive: 2834, positive conditional: 0, positive unconditional: 2834, 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: 2834, positive: 2834, positive conditional: 0, positive unconditional: 2834, 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: 13001, positive: 10167, positive conditional: 0, positive unconditional: 10167, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2834, unknown conditional: 0, unknown unconditional: 2834] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5915, positive: 4235, positive conditional: 4235, positive unconditional: 0, negative: 1680, negative conditional: 1680, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4235, positive: 4235, positive conditional: 4235, 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: 4235, positive: 4235, positive conditional: 0, positive unconditional: 4235, 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: 1189, positive: 1189, positive conditional: 0, positive unconditional: 1189, 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: 1189, positive: 1189, positive conditional: 0, positive unconditional: 1189, 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: 4235, positive: 3046, positive conditional: 0, positive unconditional: 3046, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1189, unknown conditional: 0, unknown unconditional: 1189] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.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: 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] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 1680 - PositiveResult [Line: 40]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 41]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 42]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 24]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1246.9ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 949.1ms, PartialOrderReductionTime: 92.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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: TRACE_CHECK: 2.1ms SsaConstructionTime, 7.7ms SatisfiabilityAnalysisTime, 28.9ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...