/usr/bin/java -Xmx8000000000 -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-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 22:21:20,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 22:21:20,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 22:21:20,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 22:21:20,601 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-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-06-13 22:21:20,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 22:21:20,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 22:21:20,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 22:21:20,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 22:21:20,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 22:21:20,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 22:21:20,641 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 22:21:20,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 22:21:20,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 22:21:20,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 22:21:20,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 22:21:20,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 22:21:20,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 22:21:20,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 22:21:20,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 22:21:20,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 22:21:20,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 22:21:20,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 22:21:20,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 22:21:20,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 22:21:20,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 22:21:20,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 22:21:20,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 22:21:20,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 22:21:20,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 22:21:20,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 22:21:20,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 22:21:20,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 22:21:20,657 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 22:21:20,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 22:21:20,657 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 22:21:20,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 22:21:20,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 22:21:20,661 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 22:21:20,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 22:21:20,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 22:21:20,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 22:21:20,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 22:21:20,990 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 22:21:20,991 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 22:21:20,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl [2021-06-13 22:21:20,992 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl' [2021-06-13 22:21:21,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 22:21:21,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 22:21:21,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 22:21:21,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 22:21:21,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 22:21:21,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 22:21:21,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 22:21:21,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 22:21:21,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 22:21:21,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/1) ... [2021-06-13 22:21:21,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 22:21:21,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 22:21:21,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 22:21:21,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 22:21:21,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (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 [2021-06-13 22:21:21,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 22:21:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 22:21:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 22:21:21,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 22:21:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 22:21:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 22:21:21,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 22:21:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 22:21:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 22:21:21,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 22:21:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 22:21:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 22:21:21,121 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 22:21:21,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 22:21:21,243 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 22:21:21,244 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 10:21:21 BoogieIcfgContainer [2021-06-13 22:21:21,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 22:21:21,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 22:21:21,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 22:21:21,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 22:21:21,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:21:21" (1/2) ... [2021-06-13 22:21:21,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3e26ff and model type misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 10:21:21, skipping insertion in model container [2021-06-13 22:21:21,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 10:21:21" (2/2) ... [2021-06-13 22:21:21,250 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-4.wvr.bpl [2021-06-13 22:21:21,255 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 22:21:21,255 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 22:21:21,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 22:21:21,256 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 22:21:21,297 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 22:21:21,313 INFO L255 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 [2021-06-13 22:21:21,382 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 22:21:21,383 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 22:21:21,383 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 22:21:21,383 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 22:21:21,383 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 22:21:21,383 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 22:21:21,383 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 22:21:21,383 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 22:21:21,488 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:21:21,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:21:21,494 INFO L82 PathProgramCache]: Analyzing trace with hash 434275562, now seen corresponding path program 1 times [2021-06-13 22:21:21,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:21:21,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885713475] [2021-06-13 22:21:21,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:21:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:21:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:21:21,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:21:21,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885713475] [2021-06-13 22:21:21,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885713475] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:21:21,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243473843] [2021-06-13 22:21:21,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:21:21,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2021-06-13 22:21:21,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:21:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 22:21:21,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243473843] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 22:21:21,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-13 22:21:21,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-06-13 22:21:21,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599037800] [2021-06-13 22:21:21,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 22:21:21,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:21:21,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 22:21:21,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-13 22:21:21,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:21,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:21:21,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-06-13 22:21:21,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:21,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:22,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 22:21:22,117 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:21:22,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:21:22,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2047864146, now seen corresponding path program 2 times [2021-06-13 22:21:22,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:21:22,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124372437] [2021-06-13 22:21:22,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:21:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:21:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:21:22,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:21:22,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124372437] [2021-06-13 22:21:22,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124372437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:21:22,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323817862] [2021-06-13 22:21:22,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:22,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:21:22,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:21:22,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-13 22:21:22,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:21:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:21:22,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323817862] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:21:22,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:21:22,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-13 22:21:22,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581946543] [2021-06-13 22:21:22,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-13 22:21:22,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:21:22,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-13 22:21:22,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-13 22:21:22,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:22,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:21:22,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-06-13 22:21:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:21:22,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:22,781 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:21:22,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:21:22,781 INFO L82 PathProgramCache]: Analyzing trace with hash 830662940, now seen corresponding path program 1 times [2021-06-13 22:21:22,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:21:22,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125052286] [2021-06-13 22:21:22,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:21:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:21:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 22:21:22,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:21:22,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125052286] [2021-06-13 22:21:22,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125052286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:21:22,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294677071] [2021-06-13 22:21:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:21:22,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-13 22:21:22,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:21:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 22:21:22,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294677071] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:21:22,922 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:21:22,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-13 22:21:22,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914476683] [2021-06-13 22:21:22,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 22:21:22,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:21:22,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 22:21:22,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 22:21:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:22,925 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:21:22,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-06-13 22:21:22,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:22,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:21:22,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:21:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:21:23,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:23,193 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:21:23,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:21:23,193 INFO L82 PathProgramCache]: Analyzing trace with hash 751337214, now seen corresponding path program 1 times [2021-06-13 22:21:23,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:21:23,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154808130] [2021-06-13 22:21:23,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:21:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:21:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-13 22:21:23,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:21:23,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154808130] [2021-06-13 22:21:23,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154808130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:21:23,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816204218] [2021-06-13 22:21:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:21:23,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-13 22:21:23,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:21:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-13 22:21:23,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816204218] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 22:21:23,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-13 22:21:23,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 4 [2021-06-13 22:21:23,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511614192] [2021-06-13 22:21:23,304 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 22:21:23,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:21:23,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 22:21:23,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 22:21:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:23,305 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:21:23,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2021-06-13 22:21:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:21:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:21:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:23,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:23,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:21:23,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:21:23,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:21:23,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:23,561 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:21:23,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:21:23,561 INFO L82 PathProgramCache]: Analyzing trace with hash -603442850, now seen corresponding path program 2 times [2021-06-13 22:21:23,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:21:23,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50648375] [2021-06-13 22:21:23,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:21:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:21:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:21:23,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:21:23,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50648375] [2021-06-13 22:21:23,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50648375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:21:23,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828313567] [2021-06-13 22:21:23,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:23,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:21:23,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:21:23,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 22:21:23,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:21:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:21:23,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828313567] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:21:23,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:21:23,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-13 22:21:23,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287901278] [2021-06-13 22:21:23,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 22:21:23,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:21:23,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 22:21:23,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-13 22:21:23,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:23,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:21:23,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-06-13 22:21:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:21:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:21:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:21:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:21:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:21:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:21:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:21:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:21:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 22:21:24,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:21:24,226 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 22:21:24,228 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 10:21:24 BasicIcfg [2021-06-13 22:21:24,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 22:21:24,229 INFO L168 Benchmark]: Toolchain (without parser) took 3215.88 ms. Allocated memory was 184.5 MB in the beginning and 224.4 MB in the end (delta: 39.8 MB). Free memory was 163.0 MB in the beginning and 139.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 62.6 MB. Max. memory is 8.0 GB. [2021-06-13 22:21:24,229 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 184.5 MB. Free memory was 164.1 MB in the beginning and 164.1 MB in the end (delta: 79.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 22:21:24,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.34 ms. Allocated memory is still 184.5 MB. Free memory was 162.9 MB in the beginning and 161.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 22:21:24,229 INFO L168 Benchmark]: Boogie Preprocessor took 15.87 ms. Allocated memory is still 184.5 MB. Free memory was 161.5 MB in the beginning and 160.6 MB in the end (delta: 928.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 22:21:24,229 INFO L168 Benchmark]: RCFGBuilder took 190.71 ms. Allocated memory is still 184.5 MB. Free memory was 160.5 MB in the beginning and 149.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-13 22:21:24,229 INFO L168 Benchmark]: TraceAbstraction took 2982.54 ms. Allocated memory was 184.5 MB in the beginning and 224.4 MB in the end (delta: 39.8 MB). Free memory was 149.3 MB in the beginning and 139.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 8.0 GB. [2021-06-13 22:21:24,230 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 0.15 ms. Allocated memory is still 184.5 MB. Free memory was 164.1 MB in the beginning and 164.1 MB in the end (delta: 79.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.34 ms. Allocated memory is still 184.5 MB. Free memory was 162.9 MB in the beginning and 161.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.87 ms. Allocated memory is still 184.5 MB. Free memory was 161.5 MB in the beginning and 160.6 MB in the end (delta: 928.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 190.71 ms. Allocated memory is still 184.5 MB. Free memory was 160.5 MB in the beginning and 149.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2982.54 ms. Allocated memory was 184.5 MB in the beginning and 224.4 MB in the end (delta: 39.8 MB). Free memory was 149.3 MB in the beginning and 139.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9034, positive: 7671, positive conditional: 7671, positive unconditional: 0, negative: 1363, negative conditional: 1363, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7692, positive: 7671, positive conditional: 7671, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7692, positive: 7386, positive conditional: 0, positive unconditional: 7386, negative: 306, negative conditional: 0, negative unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, positive: 190, positive conditional: 0, positive unconditional: 190, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 21, negative conditional: 8, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 79, positive conditional: 52, positive unconditional: 27, negative: 76, negative conditional: 16, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7692, positive: 7196, positive conditional: 0, positive unconditional: 7196, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 203, unknown conditional: 0, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 222, Positive conditional cache size: 32, Positive unconditional cache size: 190, Negative cache size: 21, Negative conditional cache size: 8, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 21, negative conditional: 8, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 79, positive conditional: 52, positive unconditional: 27, negative: 76, negative conditional: 16, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 789, positive: 253, positive conditional: 253, positive unconditional: 0, negative: 496, negative conditional: 151, negative unconditional: 345, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 222, Positive conditional cache size: 32, Positive unconditional cache size: 190, Negative cache size: 21, Negative conditional cache size: 8, Negative unconditional cache size: 13, Eliminated conditions: 345, SemanticConditionEliminator.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 21, negative conditional: 8, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 79, positive conditional: 52, positive unconditional: 27, negative: 76, negative conditional: 16, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 789, positive: 253, positive conditional: 253, positive unconditional: 0, negative: 496, negative conditional: 151, negative unconditional: 345, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 222, Positive conditional cache size: 32, Positive unconditional cache size: 190, Negative cache size: 21, Negative conditional cache size: 8, Negative unconditional cache size: 13, Eliminated conditions: 345, SemanticConditionEliminator.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 21, negative conditional: 8, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 79, positive conditional: 52, positive unconditional: 27, negative: 76, negative conditional: 16, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 789, positive: 253, positive conditional: 253, positive unconditional: 0, negative: 496, negative conditional: 151, negative unconditional: 345, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 222, Positive conditional cache size: 32, Positive unconditional cache size: 190, Negative cache size: 21, Negative conditional cache size: 8, Negative unconditional cache size: 13, Eliminated conditions: 345, SemanticConditionEliminator.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 21, negative conditional: 8, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 79, positive conditional: 52, positive unconditional: 27, negative: 76, negative conditional: 16, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 789, positive: 253, positive conditional: 253, positive unconditional: 0, negative: 496, negative conditional: 151, negative unconditional: 345, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 222, Positive conditional cache size: 32, Positive unconditional cache size: 190, Negative cache size: 21, Negative conditional cache size: 8, Negative unconditional cache size: 13, Eliminated conditions: 345, SemanticConditionEliminator.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 789, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 504, negative conditional: 159, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 21, negative conditional: 8, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 79, positive conditional: 52, positive unconditional: 27, negative: 76, negative conditional: 16, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 789, positive: 253, positive conditional: 253, positive unconditional: 0, negative: 496, negative conditional: 151, negative unconditional: 345, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 222, Positive conditional cache size: 32, Positive unconditional cache size: 190, Negative cache size: 21, Negative conditional cache size: 8, Negative unconditional cache size: 13, Eliminated conditions: 345 ], Maximal queried relation: 5, Independence queries for same thread: 1342 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2900.3ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 620.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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: 45.3ms SsaConstructionTime, 143.3ms SatisfiabilityAnalysisTime, 660.1ms InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 415 SizeOfPredicates, 2 NumberOfNonLiveVariables, 285 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 96/112 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...