/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-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/example_interleaving.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 07:32:25,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 07:32:25,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 07:32:25,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 07:32:25,619 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-NoLbe-Delay.epf [2021-03-12 07:32:25,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 07:32:25,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 07:32:25,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 07:32:25,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 07:32:25,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 07:32:25,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 07:32:25,652 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 07:32:25,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 07:32:25,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 07:32:25,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 07:32:25,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 07:32:25,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 07:32:25,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 07:32:25,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 07:32:25,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 07:32:25,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 07:32:25,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 07:32:25,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 07:32:25,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 07:32:25,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 07:32:25,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 07:32:25,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 07:32:25,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 07:32:25,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 07:32:25,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 07:32:25,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 07:32:25,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 07:32:25,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 07:32:25,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 07:32:25,657 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 07:32:25,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 07:32:25,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 07:32:25,657 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 07:32:25,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 07:32:25,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 07:32:25,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 07:32:25,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 07:32:25,989 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 07:32:25,990 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 07:32:25,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example_interleaving.bpl [2021-03-12 07:32:25,991 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example_interleaving.bpl' [2021-03-12 07:32:26,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 07:32:26,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 07:32:26,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 07:32:26,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 07:32:26,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 07:32:26,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 07:32:26,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 07:32:26,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 07:32:26,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 07:32:26,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/1) ... [2021-03-12 07:32:26,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 07:32:26,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 07:32:26,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 07:32:26,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 07:32:26,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (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 [2021-03-12 07:32:26,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_y given in one single declaration [2021-03-12 07:32:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure set_y [2021-03-12 07:32:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure set_y [2021-03-12 07:32:26,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_z given in one single declaration [2021-03-12 07:32:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure set_z [2021-03-12 07:32:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure set_z [2021-03-12 07:32:26,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 07:32:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 07:32:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 07:32:26,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_x given in one single declaration [2021-03-12 07:32:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure set_x [2021-03-12 07:32:26,126 INFO L138 BoogieDeclarations]: Found implementation of procedure set_x [2021-03-12 07:32:26,127 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 07:32:26,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 07:32:26,258 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 07:32:26,260 INFO L202 PluginConnector]: Adding new model example_interleaving.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:32:26 BoogieIcfgContainer [2021-03-12 07:32:26,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 07:32:26,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 07:32:26,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 07:32:26,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 07:32:26,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:26" (1/2) ... [2021-03-12 07:32:26,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7385eb and model type example_interleaving.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 07:32:26, skipping insertion in model container [2021-03-12 07:32:26,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_interleaving.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:32:26" (2/2) ... [2021-03-12 07:32:26,269 INFO L111 eAbstractionObserver]: Analyzing ICFG example_interleaving.bpl [2021-03-12 07:32:26,275 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 07:32:26,276 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 07:32:26,278 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 07:32:26,279 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 07:32:26,351 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-12 07:32:26,365 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 [2021-03-12 07:32:26,417 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 07:32:26,417 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 07:32:26,418 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 07:32:26,418 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 07:32:26,418 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 07:32:26,418 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 07:32:26,418 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 07:32:26,418 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 07:32:26,453 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 07:32:26,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:26,461 INFO L82 PathProgramCache]: Analyzing trace with hash -906798158, now seen corresponding path program 1 times [2021-03-12 07:32:26,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:26,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162809330] [2021-03-12 07:32:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 07:32:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 07:32:26,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162809330] [2021-03-12 07:32:26,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 07:32:26,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 07:32:26,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948472085] [2021-03-12 07:32:26,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 07:32:26,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 07:32:26,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 07:32:26,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 07:32:26,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:26,667 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 07:32:26,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-03-12 07:32:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:26,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:26,677 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 07:32:26,677 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 07:32:26,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:26,678 INFO L82 PathProgramCache]: Analyzing trace with hash -922453778, now seen corresponding path program 1 times [2021-03-12 07:32:26,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:26,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709899217] [2021-03-12 07:32:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 07:32:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 07:32:26,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709899217] [2021-03-12 07:32:26,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 07:32:26,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 07:32:26,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456400619] [2021-03-12 07:32:26,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 07:32:26,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 07:32:26,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 07:32:26,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 07:32:26,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:26,772 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 07:32:26,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-03-12 07:32:26,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:26,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 07:32:26,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 07:32:26,847 INFO L202 PluginConnector]: Adding new model example_interleaving.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 07:32:26 BasicIcfg [2021-03-12 07:32:26,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 07:32:26,848 INFO L168 Benchmark]: Toolchain (without parser) took 826.65 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 205.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:26,849 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 07:32:26,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.06 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:26,850 INFO L168 Benchmark]: Boogie Preprocessor took 14.72 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.8 MB in the end (delta: 797.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:26,850 INFO L168 Benchmark]: RCFGBuilder took 192.34 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 239.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:26,851 INFO L168 Benchmark]: TraceAbstraction took 585.26 ms. Allocated memory is still 255.9 MB. Free memory was 239.1 MB in the beginning and 205.5 MB in the end (delta: 33.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:26,853 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 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.06 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.72 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.8 MB in the end (delta: 797.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 192.34 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 239.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 585.26 ms. Allocated memory is still 255.9 MB. Free memory was 239.1 MB in the beginning and 205.5 MB in the end (delta: 33.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 130, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 121, positive: 121, positive conditional: 121, 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: 121, positive: 121, positive conditional: 0, positive unconditional: 121, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 121, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, 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): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, 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: 9 - PositiveResult [Line: 19]: 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, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 454.8ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 97.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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: 3.8ms SsaConstructionTime, 19.7ms SatisfiabilityAnalysisTime, 180.2ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...