/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:57:11,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:57:11,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:57:11,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 13:57:11,347 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 13:57:11,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:57:11,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:57:11,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:57:11,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:57:11,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:57:11,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:57:11,386 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:57:11,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:57:11,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:57:11,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:57:11,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:57:11,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:57:11,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:57:11,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:57:11,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:57:11,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:57:11,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:57:11,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:57:11,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:57:11,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:57:11,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:57:11,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:57:11,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:57:11,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:57:11,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:57:11,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:57:11,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:57:11,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:57:11,390 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:57:11,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:57:11,390 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:57:11,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:57:11,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:57:11,391 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:57:11,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:57:11,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:57:11,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:57:11,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:57:11,711 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:57:11,712 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:57:11,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl [2021-07-14 13:57:11,713 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl' [2021-07-14 13:57:11,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:57:11,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:57:11,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:57:11,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:57:11,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:57:11,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:57:11,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:57:11,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:57:11,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:57:11,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/1) ... [2021-07-14 13:57:11,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:57:11,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:57:11,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:57:11,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:57:11,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (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 [2021-07-14 13:57:11,870 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:57:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:57:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:57:11,870 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:57:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:57:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:57:11,871 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:57:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:57:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:57:11,872 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 13:57:12,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:57:12,090 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 13:57:12,091 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:57:12 BoogieIcfgContainer [2021-07-14 13:57:12,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:57:12,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:57:12,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:57:12,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:57:12,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:57:11" (1/2) ... [2021-07-14 13:57:12,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1e1c6d and model type dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:57:12, skipping insertion in model container [2021-07-14 13:57:12,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:57:12" (2/2) ... [2021-07-14 13:57:12,098 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq-array.wvr.bpl [2021-07-14 13:57:12,119 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:57:12,119 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:57:12,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:57:12,120 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:57:12,162 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 13:57:12,180 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-14 13:57:12,262 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:57:12,262 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:57:12,262 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:57:12,262 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:57:12,262 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:57:12,263 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:57:12,263 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:57:12,263 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 13:57:12,447 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:57:12,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:57:12,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1440250194, now seen corresponding path program 1 times [2021-07-14 13:57:12,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:57:12,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808686051] [2021-07-14 13:57:12,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:57:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:57:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:57:12,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:57:12,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808686051] [2021-07-14 13:57:12,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808686051] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:57:12,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:57:12,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 13:57:12,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400509757] [2021-07-14 13:57:12,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:57:12,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:57:12,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:57:12,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:57:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:12,655 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:57:12,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-07-14 13:57:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:12,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:57:12,724 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:57:12,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:57:12,727 INFO L82 PathProgramCache]: Analyzing trace with hash 953624060, now seen corresponding path program 2 times [2021-07-14 13:57:12,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:57:12,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971188291] [2021-07-14 13:57:12,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:57:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:57:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:57:12,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:57:12,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971188291] [2021-07-14 13:57:12,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971188291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:57:12,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774020699] [2021-07-14 13:57:12,901 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 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 [2021-07-14 13:57:12,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:57:12,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:57:12,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 13:57:12,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:57:13,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 13:57:13,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:57:13,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:57:13,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:57:13,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 13:57:13,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 13:57:13,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:57:13,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:57:13,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:57:13,107 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 13:57:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:57:13,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774020699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:57:13,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:57:13,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-14 13:57:13,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665104628] [2021-07-14 13:57:13,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 13:57:13,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:57:13,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 13:57:13,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-14 13:57:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:13,148 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:57:13,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 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) [2021-07-14 13:57:13,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:13,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:57:13,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:57:13,473 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:57:13,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:57:13,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1585310375, now seen corresponding path program 3 times [2021-07-14 13:57:13,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:57:13,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801041524] [2021-07-14 13:57:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:57:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:57:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:57:13,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:57:13,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801041524] [2021-07-14 13:57:13,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801041524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:57:13,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033255603] [2021-07-14 13:57:13,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2021-07-14 13:57:13,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 13:57:13,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:57:13,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 13:57:13,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:57:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:57:13,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033255603] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:57:13,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 13:57:13,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-14 13:57:13,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200578532] [2021-07-14 13:57:13,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 13:57:13,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:57:13,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 13:57:13,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 13:57:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:13,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:57:13,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) 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) [2021-07-14 13:57:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:57:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:57:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:57:13,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:57:13,917 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:57:13,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:57:13,917 INFO L82 PathProgramCache]: Analyzing trace with hash -447189400, now seen corresponding path program 4 times [2021-07-14 13:57:13,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:57:13,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210670123] [2021-07-14 13:57:13,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:57:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:57:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 13:57:13,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:57:13,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210670123] [2021-07-14 13:57:13,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210670123] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:57:13,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266905310] [2021-07-14 13:57:13,992 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 [2021-07-14 13:57:14,063 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:57:14,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:57:14,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 13:57:14,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:57:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 13:57:14,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266905310] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:57:14,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 13:57:14,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-07-14 13:57:14,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292996545] [2021-07-14 13:57:14,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 13:57:14,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:57:14,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 13:57:14,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-14 13:57:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:14,188 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:57:14,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-07-14 13:57:14,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:14,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:57:14,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:57:14,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:57:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:57:14,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:57:14,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:57:14,450 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:57:14,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:57:14,450 INFO L82 PathProgramCache]: Analyzing trace with hash -214325749, now seen corresponding path program 5 times [2021-07-14 13:57:14,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:57:14,451 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925839271] [2021-07-14 13:57:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:57:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:57:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:57:14,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:57:14,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925839271] [2021-07-14 13:57:14,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925839271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:57:14,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908606230] [2021-07-14 13:57:14,777 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 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 [2021-07-14 13:57:14,829 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 13:57:14,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:57:14,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 13:57:14,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:57:15,239 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:57:15,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-07-14 13:57:15,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:57:15,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:57:15,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 13:57:15,260 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:38, output treesize:24 [2021-07-14 13:57:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:57:15,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:57:15,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-07-14 13:57:15,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:57:15,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:57:15,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:57:15,335 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:5 [2021-07-14 13:57:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:57:15,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908606230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:57:15,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:57:15,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 22 [2021-07-14 13:57:15,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840636986] [2021-07-14 13:57:15,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 13:57:15,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:57:15,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 13:57:15,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2021-07-14 13:57:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:15,366 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:57:15,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 22 states have internal predecessors, (48), 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) [2021-07-14 13:57:15,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:15,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:57:15,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:57:15,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:57:15,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:57:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:57:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:57:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:57:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:57:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:57:16,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:57:16,216 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 13:57:16,217 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 01:57:16 BasicIcfg [2021-07-14 13:57:16,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 13:57:16,218 INFO L168 Benchmark]: Toolchain (without parser) took 4473.23 ms. Allocated memory was 183.5 MB in the beginning and 244.3 MB in the end (delta: 60.8 MB). Free memory was 162.6 MB in the beginning and 209.2 MB in the end (delta: -46.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2021-07-14 13:57:16,218 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 183.5 MB. Free memory is still 163.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 13:57:16,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.94 ms. Allocated memory is still 183.5 MB. Free memory was 162.5 MB in the beginning and 161.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 13:57:16,218 INFO L168 Benchmark]: Boogie Preprocessor took 15.54 ms. Allocated memory is still 183.5 MB. Free memory was 161.1 MB in the beginning and 160.1 MB in the end (delta: 964.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 13:57:16,218 INFO L168 Benchmark]: RCFGBuilder took 303.14 ms. Allocated memory is still 183.5 MB. Free memory was 160.1 MB in the beginning and 147.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 13:57:16,218 INFO L168 Benchmark]: TraceAbstraction took 4124.53 ms. Allocated memory was 183.5 MB in the beginning and 244.3 MB in the end (delta: 60.8 MB). Free memory was 146.5 MB in the beginning and 209.2 MB in the end (delta: -62.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 13:57:16,219 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 0.14 ms. Allocated memory is still 183.5 MB. Free memory is still 163.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.94 ms. Allocated memory is still 183.5 MB. Free memory was 162.5 MB in the beginning and 161.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.54 ms. Allocated memory is still 183.5 MB. Free memory was 161.1 MB in the beginning and 160.1 MB in the end (delta: 964.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 303.14 ms. Allocated memory is still 183.5 MB. Free memory was 160.1 MB in the beginning and 147.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4124.53 ms. Allocated memory was 183.5 MB in the beginning and 244.3 MB in the end (delta: 60.8 MB). Free memory was 146.5 MB in the beginning and 209.2 MB in the end (delta: -62.6 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 954, positive: 760, positive conditional: 517, positive unconditional: 243, negative: 194, negative conditional: 182, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 804, positive: 760, positive conditional: 517, positive unconditional: 243, negative: 44, negative conditional: 32, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 804, positive: 721, positive conditional: 0, positive unconditional: 721, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 166, positive: 161, positive conditional: 0, positive unconditional: 161, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 166, positive: 157, positive conditional: 0, positive unconditional: 157, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 804, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 166, unknown conditional: 0, unknown unconditional: 166] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49 ], Maximal queried relation: 5, Independence queries for same thread: 150 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 129, Number of persistent set computation: 31, Number of trivial persistent sets: 13, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 954, positive: 760, positive conditional: 517, positive unconditional: 243, negative: 194, negative conditional: 182, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 804, positive: 760, positive conditional: 517, positive unconditional: 243, negative: 44, negative conditional: 32, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 804, positive: 721, positive conditional: 0, positive unconditional: 721, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 166, positive: 161, positive conditional: 0, positive unconditional: 161, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 166, positive: 157, positive conditional: 0, positive unconditional: 157, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 804, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 166, unknown conditional: 0, unknown unconditional: 166] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49, SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 159, negative conditional: 110, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 79, positive conditional: 13, positive unconditional: 66, negative: 69, negative conditional: 42, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 141, negative conditional: 92, negative unconditional: 49, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 166, Positive conditional cache size: 5, Positive unconditional cache size: 161, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 49 ], Maximal queried relation: 5, Independence queries for same thread: 150 - 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 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4006.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 1076.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 47.6ms SsaConstructionTime, 150.4ms SatisfiabilityAnalysisTime, 1519.9ms InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 270 ConstructedInterpolants, 10 QuantifiedInterpolants, 1335 SizeOfPredicates, 17 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 105/144 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...