/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/weaver-benchmarks/generated/parallel/simple-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 01:27:38,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 01:27:38,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 01:27:38,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 01:27:38,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-13 01:27:38,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-13 01:27:38,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-13 01:27:38,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-13 01:27:38,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-13 01:27:38,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-13 01:27:38,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-13 01:27:38,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-13 01:27:38,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 01:27:38,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 01:27:38,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 01:27:38,566 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 01:27:38,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 01:27:38,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 01:27:38,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 01:27:38,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 01:27:38,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 01:27:38,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 01:27:38,593 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 01:27:38,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 01:27:38,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 01:27:38,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 01:27:38,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 01:27:38,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 01:27:38,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 01:27:38,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 01:27:38,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 01:27:38,594 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 01:27:38,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 01:27:38,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 01:27:38,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 01:27:38,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 01:27:38,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 01:27:38,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 01:27:38,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 01:27:38,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 01:27:38,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 01:27:38,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 01:27:38,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 01:27:38,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 01:27:38,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 01:27:38,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 01:27:38,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 01:27:38,596 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 01:27:38,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 01:27:38,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 01:27:38,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 01:27:38,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 01:27:38,917 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 01:27:38,918 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 01:27:38,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/simple-equiv.wvr.bpl [2021-03-13 01:27:38,930 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/simple-equiv.wvr.bpl' [2021-03-13 01:27:38,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 01:27:39,221 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 01:27:39,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 01:27:39,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 01:27:39,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 01:27:39,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 01:27:39,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 01:27:39,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 01:27:39,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 01:27:39,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/1) ... [2021-03-13 01:27:39,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 01:27:39,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 01:27:39,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 01:27:39,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 01:27:39,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (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 01:27:39,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 01:27:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 01:27:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 01:27:39,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 01:27:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 01:27:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 01:27:39,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 01:27:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 01:27:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 01:27:39,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-13 01:27:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-13 01:27:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-13 01:27:39,317 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 01:27:39,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 01:27:39,442 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 01:27:39,443 INFO L202 PluginConnector]: Adding new model simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 01:27:39 BoogieIcfgContainer [2021-03-13 01:27:39,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 01:27:39,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 01:27:39,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 01:27:39,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 01:27:39,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:38" (1/2) ... [2021-03-13 01:27:39,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6c3897 and model type simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 01:27:39, skipping insertion in model container [2021-03-13 01:27:39,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 01:27:39" (2/2) ... [2021-03-13 01:27:39,450 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-equiv.wvr.bpl [2021-03-13 01:27:39,457 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 01:27:39,457 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 01:27:39,459 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 01:27:39,460 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 01:27:39,529 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-13 01:27:39,541 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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 01:27:39,570 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 01:27:39,570 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 01:27:39,570 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 01:27:39,570 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 01:27:39,570 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 01:27:39,570 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 01:27:39,570 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 01:27:39,570 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 01:27:39,594 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 01:27:39,594 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 23 transitions, 70 flow [2021-03-13 01:27:39,596 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 23 transitions, 70 flow [2021-03-13 01:27:39,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 70 flow [2021-03-13 01:27:39,631 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-03-13 01:27:39,631 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-13 01:27:39,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 20 events. 0/20 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-13 01:27:39,636 INFO L116 LiptonReduction]: Number of co-enabled transitions 84 [2021-03-13 01:27:39,875 INFO L131 LiptonReduction]: Checked pairs total: 91 [2021-03-13 01:27:39,875 INFO L133 LiptonReduction]: Total number of compositions: 9 [2021-03-13 01:27:39,928 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 01:27:39,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 01:27:39,932 INFO L82 PathProgramCache]: Analyzing trace with hash -689228714, now seen corresponding path program 1 times [2021-03-13 01:27:39,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 01:27:39,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481473632] [2021-03-13 01:27:39,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 01:27:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 01:27:40,050 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 01:27:40,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481473632] [2021-03-13 01:27:40,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 01:27:40,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 01:27:40,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672369648] [2021-03-13 01:27:40,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-13 01:27:40,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 01:27:40,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-13 01:27:40,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-13 01:27:40,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:40,063 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 01:27:40,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 01:27:40,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:40,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 01:27:40,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 01:27:40,088 INFO L202 PluginConnector]: Adding new model simple-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 01:27:40 BasicIcfg [2021-03-13 01:27:40,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 01:27:40,089 INFO L168 Benchmark]: Toolchain (without parser) took 1123.40 ms. Allocated memory is still 308.3 MB. Free memory was 288.2 MB in the beginning and 252.8 MB in the end (delta: 35.4 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.0 GB. [2021-03-13 01:27:40,090 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 308.3 MB. Free memory was 289.3 MB in the beginning and 289.2 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 01:27:40,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.53 ms. Allocated memory is still 308.3 MB. Free memory was 287.7 MB in the beginning and 286.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 01:27:40,090 INFO L168 Benchmark]: Boogie Preprocessor took 8.54 ms. Allocated memory is still 308.3 MB. Free memory was 286.2 MB in the beginning and 285.4 MB in the end (delta: 835.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 01:27:40,091 INFO L168 Benchmark]: RCFGBuilder took 193.25 ms. Allocated memory is still 308.3 MB. Free memory was 285.3 MB in the beginning and 276.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-13 01:27:40,091 INFO L168 Benchmark]: TraceAbstraction took 643.67 ms. Allocated memory is still 308.3 MB. Free memory was 275.6 MB in the beginning and 252.8 MB in the end (delta: 22.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. [2021-03-13 01:27:40,092 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 308.3 MB. Free memory was 289.3 MB in the beginning and 289.2 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.53 ms. Allocated memory is still 308.3 MB. Free memory was 287.7 MB in the beginning and 286.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 8.54 ms. Allocated memory is still 308.3 MB. Free memory was 286.2 MB in the beginning and 285.4 MB in the end (delta: 835.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 193.25 ms. Allocated memory is still 308.3 MB. Free memory was 285.3 MB in the beginning and 276.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 643.67 ms. Allocated memory is still 308.3 MB. Free memory was 275.6 MB in the beginning and 252.8 MB in the end (delta: 22.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 279.3ms, 33 PlacesBefore, 25 PlacesAfterwards, 23 TransitionsBefore, 15 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 91 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 91, positive conditional: 0, positive unconditional: 91, 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: 59, positive: 59, positive conditional: 0, positive unconditional: 59, 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: 59, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59, unknown conditional: 0, unknown unconditional: 59] , Statistics on independence cache: Total cache size (in pairs): 12, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 23, positive: 23, positive conditional: 23, 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: 23, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , 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, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 25, positive conditional: 0, positive unconditional: 25, 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): 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, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 1 - PositiveResult [Line: 45]: 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 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 534.0ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 321.1ms, PartialOrderReductionTime: 56.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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: 2.2ms SsaConstructionTime, 13.8ms SatisfiabilityAnalysisTime, 60.4ms InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 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...